* [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [not found] <53bbad38.bUEV+/Tm2WTBCfJH%fengguang.wu@intel.com> @ 2014-07-08 8:59 ` Aaron Lu 0 siblings, 0 replies; 6+ messages in thread From: Aaron Lu @ 2014-07-08 8:59 UTC (permalink / raw) To: lkp [-- Attachment #1: Type: text/plain, Size: 14999 bytes --] The merge 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 seems to have only one commit: 254c4407cb84a6dec90336054615b0f0e996bb7c, so I added you guys in. Please take a look if this is a real problem, thanks. FYI, we noticed the below changes on git://git.kernel.dk/linux-block.git for-next commit 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 ("Merge branch 'for-3.17/core' into for-next") +------------------------------------------------------+------------+------------+ | | 45c1010407 | 49b3f10e2c | +------------------------------------------------------+------------+------------+ | boot_successes | 40 | 10 | | boot_failures | 21 | 15 | | BUG:kernel_early_hang_without_any_printk_output | 21 | 1 | | kernel_BUG_at_fs/direct-io.c | 0 | 10 | | invalid_opcode | 0 | 14 | | RIP:dio_send_cur_page | 0 | 10 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 14 | | backtrace:vfs_write | 0 | 10 | | backtrace:SyS_pwrite64 | 0 | 10 | | BUG:unable_to_handle_kernel_NULL_pointer_dereference | 0 | 4 | | Oops | 0 | 4 | | RIP:blk_throtl_drain | 0 | 4 | | kernel_BUG_at_arch/x86/mm/pageattr.c | 0 | 4 | | RIP:change_page_attr_set_clr | 0 | 4 | | backtrace:scsi_debug_exit | 0 | 4 | | backtrace:SyS_delete_module | 0 | 4 | +------------------------------------------------------+------------+------------+ [ 1010.593031] sda: unknown partition table [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 [ 1012.896336] PGD 0 [ 1012.896336] Oops: 0000 [#1] SMP [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 [ 1012.896336] RIP: 0010:[<ffffffff813cf880>] [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 [ 1012.896336] RSP: 0018:ffff88007966bb60 EFLAGS: 00010046 [ 1012.896336] RAX: 0000000000000000 RBX: ffff8800bdbba6e8 RCX: ffff88007dea1a20 [ 1012.896336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1012.896336] RBP: ffff88007966bb78 R08: 0000000000000000 R09: 0000000000000046 [ 1012.896336] R10: ffff88007966bb78 R11: 0000000000000246 R12: ffff8800bdbba6e8 [ 1012.896336] R13: ffff880091ba3800 R14: ffff8800bdbbad40 R15: ffff880030a13120 [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 [ 1012.896336] Stack: [ 1012.896336] ffff8800bdbba6e8 0000000000000000 ffff8800bdbbad50 ffff88007966bb88 [ 1012.896336] ffffffff813cc8ce ffff88007966bbb8 ffffffff813b1aac ffff8800bdbba6e8 [ 1012.896336] ffffffff81cf9200 ffff8800bdbba6e8 ffff880030a13000 ffff88007966bbd0 [ 1012.896336] Call Trace: [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b [ 1012.896336] Code: 55 65 ff 04 25 a0 c7 00 00 48 89 e5 41 55 41 54 49 89 fc 53 4c 8b af 40 07 00 00 49 8b 85 a0 00 00 00 31 ff 48 8b 80 c8 05 00 00 <48> 8b 70 28 e8 37 7f d2 ff 48 85 c0 48 89 c3 74 61 0f 1f 80 00 [ 1012.896336] RIP [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 [ 1012.896336] RSP <ffff88007966bb60> [ 1012.896336] CR2: 0000000000000028 [ 1012.896336] ------------[ cut here ]------------ [ 1012.896336] kernel BUG at arch/x86/mm/pageattr.c:216! [ 1012.896336] invalid opcode: 0000 [#2] SMP [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 [ 1012.896336] RIP: 0010:[<ffffffff8105bbd3>] [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 [ 1012.896336] RSP: 0018:ffff88007966aec8 EFLAGS: 00010046 [ 1012.896336] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000010 [ 1012.896336] RDX: 0000000000002200 RSI: 0000000000000000 RDI: 0000000080000000 [ 1012.896336] RBP: ffff88007966af58 R08: 800000007c3c2163 R09: 000000000007c3c2 [ 1012.896336] R10: ffffea0001f58000 R11: ffffffff813db659 R12: 0000000000000000 [ 1012.896336] R13: 0000000000000010 R14: 0000000000000004 R15: 0000000000000005 [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 [ 1012.896336] Stack: [ 1012.896336] 0000000200000000 0000000000000000 0000000000000000 ffff880100000200 [ 1012.896336] ffff8801151a0000 0000000000000000 0000000000000000 0000000000000010 [ 1012.896336] 0000000000000000 0000000500000001 000000000007c3c2 0000020000000000 [ 1012.896336] Call Trace: [ 1012.896336] [<ffffffff8105bf26>] _set_pages_array+0xe6/0x130 [ 1012.896336] [<ffffffff8105bfa3>] set_pages_array_wc+0x13/0x20 [ 1012.896336] [<ffffffffa00ca02f>] ttm_set_pages_caching+0x2f/0x70 [ttm] [ 1012.896336] [<ffffffffa00ca174>] ttm_alloc_new_pages.isra.6+0xb4/0x180 [ttm] [ 1012.896336] [<ffffffffa00caa63>] ttm_pool_populate+0x3c3/0x4d0 [ttm] [ 1012.896336] [<ffffffffa00e920e>] cirrus_ttm_tt_populate+0xe/0x10 [cirrus] [ 1012.896336] [<ffffffffa00c7571>] ttm_bo_move_memcpy+0x5d1/0x680 [ttm] [ 1012.896336] [<ffffffff8118dffe>] ? map_vm_area+0x2e/0x40 [ 1012.896336] [<ffffffffa00c3289>] ? ttm_tt_init+0x69/0xb0 [ttm] [ 1012.896336] [<ffffffffa00e91b8>] cirrus_bo_move+0x18/0x20 [cirrus] [ 1012.896336] [<ffffffffa00c4d45>] ttm_bo_handle_move_mem+0x265/0x5b0 [ttm] [ 1012.896336] [<ffffffffa00c56a6>] ? ttm_bo_mem_space+0x116/0x340 [ttm] [ 1012.896336] [<ffffffffa00c5d6f>] ttm_bo_validate+0x21f/0x230 [ttm] [ 1012.896336] [<ffffffffa00e99a2>] cirrus_bo_push_sysram+0x82/0xe0 [cirrus] [ 1012.896336] [<ffffffffa00e7bf5>] cirrus_crtc_do_set_base.isra.8.constprop.10+0x75/0x400 [cirrus] [ 1012.896336] [<ffffffffa00e83c9>] cirrus_crtc_mode_set+0x449/0x4d0 [cirrus] [ 1012.896336] [<ffffffffa00588e9>] drm_crtc_helper_set_mode+0x2b9/0x4f0 [drm_kms_helper] [ 1012.896336] [<ffffffffa005966f>] drm_crtc_helper_set_config+0x87f/0xaa0 [drm_kms_helper] [ 1012.896336] [<ffffffff818325fe>] ? __ww_mutex_lock+0x2e/0xaa [ 1012.896336] [<ffffffffa001a124>] drm_mode_set_config_internal+0x64/0xf0 [drm] [ 1012.896336] [<ffffffffa005c324>] drm_fb_helper_pan_display+0x94/0xf0 [drm_kms_helper] [ 1012.896336] [<ffffffff8143f959>] fb_pan_display+0xc9/0x190 [ 1012.896336] [<ffffffff81439b10>] bit_update_start+0x20/0x50 [ 1012.896336] [<ffffffff814395c2>] fbcon_switch+0x3a2/0x550 [ 1012.896336] [<ffffffff814b10d9>] redraw_screen+0x189/0x240 [ 1012.896336] [<ffffffff8143fcce>] ? fb_blank+0x9e/0xc0 [ 1012.896336] [<ffffffff81436b5a>] fbcon_blank+0x20a/0x2d0 [ 1012.896336] [<ffffffff810c91cc>] ? wake_up_klogd+0x3c/0x50 [ 1012.896336] [<ffffffff810c93d8>] ? console_unlock+0x1f8/0x440 [ 1012.896336] [<ffffffff81079133>] ? __internal_add_timer+0x113/0x130 [ 1012.896336] [<ffffffff8107917f>] ? internal_add_timer+0x2f/0x70 [ 1012.896336] [<ffffffff8107b1b2>] ? mod_timer+0x142/0x1f0 [ 1012.896336] [<ffffffff814b1bf8>] do_unblank_screen+0xb8/0x200 [ 1012.896336] [<ffffffff814b1d50>] unblank_screen+0x10/0x20 [ 1012.896336] [<ffffffff813ea3c9>] bust_spinlocks+0x19/0x40 [ 1012.896336] [<ffffffff81017718>] oops_end+0x38/0x150 [ 1012.896336] [<ffffffff81823e09>] no_context+0x2b3/0x2c0 [ 1012.896336] [<ffffffff81823e89>] __bad_area_nosemaphore+0x73/0x1ca [ 1012.896336] [<ffffffff81823ff3>] bad_area_nosemaphore+0x13/0x15 [ 1012.896336] [<ffffffff81058c90>] __do_page_fault+0x90/0x550 [ 1012.896336] [<ffffffff810a6148>] ? __enqueue_entity+0x78/0x80 [ 1012.896336] [<ffffffff810acca1>] ? enqueue_entity+0x291/0xba0 [ 1012.896336] [<ffffffff81053d47>] ? kvm_clock_read+0x27/0x40 [ 1012.896336] [<ffffffff810abc32>] ? check_preempt_wakeup+0x162/0x230 [ 1012.896336] [<ffffffff8109e715>] ? check_preempt_curr+0x85/0xa0 [ 1012.896336] [<ffffffff8109e749>] ? ttwu_do_wakeup+0x19/0xe0 [ 1012.896336] [<ffffffff81059201>] trace_do_page_fault+0x41/0x130 [ 1012.896336] [<ffffffff810536b9>] do_async_page_fault+0x29/0xe0 [ 1012.896336] [<ffffffff81836b88>] async_page_fault+0x28/0x30 [ 1012.896336] [<ffffffff813cf880>] ? blk_throtl_drain+0x30/0x150 [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b [ 1012.896336] Code: ff ff 48 8b 4d 80 e9 9f fc ff ff 0f 0b 0f 0b be ba 00 00 00 48 c7 c7 e8 cb ae 81 89 4d 80 e8 d5 15 01 00 8b 4d 80 e9 04 ff ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 [ 1012.896336] RIP [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 [ 1012.896336] RSP <ffff88007966aec8> [ 1012.896336] ---[ end trace 86a5a05a2d9e9cde ]--- [ 1012.896336] Kernel panic - not syncing: Fatal exception Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Aaron [-- Attachment #2: reproduce.ksh --] [-- Type: text/plain, Size: 1569 bytes --] mkfs -t xfs /dev/vdb mkfs -t xfs /dev/vdc mkfs -t xfs /dev/vdd mkfs -t xfs /dev/vde mount -t xfs -o nobarrier,inode64 /dev/vdb /fs/vdb mount -t xfs -o nobarrier,inode64 /dev/vdc /fs/vdc mount -t xfs -o nobarrier,inode64 /dev/vdd /fs/vdd mount -t xfs -o nobarrier,inode64 /dev/vde /fs/vde export TEST_DIR=/fs/vdb export TEST_DEV=/dev/vdb export SCRATCH_MNT=/fs/scratch mkdir /fs/scratch -p export SCRATCH_DEV=/dev/vde export SCRATCH_LOGDEV=/dev/vdc ./check xfs/001 xfs/002 xfs/003 xfs/004 xfs/005 xfs/006 xfs/007 xfs/008 xfs/009 xfs/010 xfs/011 xfs/012 xfs/013 xfs/014 xfs/019 xfs/021 xfs/022 xfs/023 xfs/024 xfs/025 xfs/026 xfs/027 xfs/029 xfs/030 xfs/034 xfs/035 xfs/036 xfs/037 xfs/038 xfs/039 xfs/040 xfs/041 xfs/043 xfs/044 xfs/045 xfs/046 xfs/048 xfs/049 xfs/052 xfs/055 xfs/057 xfs/058 xfs/061 xfs/063 xfs/067 xfs/071 xfs/072 xfs/073 xfs/080 xfs/085 xfs/090 xfs/092 xfs/094 xfs/095 xfs/096 xfs/103 xfs/108 xfs/114 xfs/115 xfs/116 xfs/118 xfs/119 xfs/121 xfs/122 xfs/134 xfs/137 xfs/138 xfs/142 xfs/143 xfs/144 xfs/145 xfs/146 xfs/147 xfs/148 xfs/149 xfs/150 xfs/151 xfs/152 xfs/153 xfs/154 xfs/155 xfs/156 xfs/157 xfs/158 xfs/159 xfs/160 xfs/161 xfs/162 xfs/163 xfs/164 xfs/165 xfs/166 xfs/168 xfs/170 xfs/174 xfs/175 xfs/176 xfs/177 xfs/181 xfs/183 xfs/185 xfs/186 xfs/187 xfs/188 xfs/189 xfs/190 xfs/191 xfs/194 xfs/195 xfs/196 xfs/197 xfs/199 xfs/201 xfs/202 xfs/203 xfs/205 xfs/216 xfs/220 xfs/222 xfs/238 xfs/242 xfs/244 xfs/252 xfs/253 xfs/261 xfs/262 xfs/267 xfs/268 xfs/278 xfs/279 xfs/281 xfs/287 xfs/290 xfs/298 xfs/299 xfs/300 xfs/303 xfs/304 xfs/305 [-- Attachment #3: dmesg.ksh --] [-- Type: text/plain, Size: 39585 bytes --] early console in setup code Probing EDD (edd=off to disable)... ok early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.16.0-rc3-01927-ge376abf (kbuild@lkp-hsx01) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 SMP Tue Jul 8 05:29:20 CST 2014 [ 0.000000] Command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000dfffdfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dfffe000-0x00000000dfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] AGP: No AGP bridge found [ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 00E0000000 mask FFE0000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] PAT not supported by CPU. [ 0.000000] e820: last_pfn = 0xdfffe max_arch_pfn = 0x400000000 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000fda90-0x000fda9f] mapped at [ffff8800000fda90] [ 0.000000] mpc: fdaa0-fdbe4 [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x02144000, 0x02144fff] PGTABLE [ 0.000000] BRK [0x02145000, 0x02145fff] PGTABLE [ 0.000000] BRK [0x02146000, 0x02146fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff] [ 0.000000] [mem 0x11fe00000-0x11fffffff] page 2M [ 0.000000] BRK [0x02147000, 0x02147fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff] [ 0.000000] [mem 0x11c000000-0x11fdfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff] [ 0.000000] [mem 0x100000000-0x11bffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0xdfffdfff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0xdfdfffff] page 2M [ 0.000000] [mem 0xdfe00000-0xdfffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x76f85000-0x7fffffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000FD880 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x00000000DFFFE380 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x00000000DFFFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x00000000DFFFE3C0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x00000000DFFFFF40 000040 [ 0.000000] ACPI: SSDT 0x00000000DFFFF6E0 000858 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x00000000DFFFF5B0 000090 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x00000000DFFFF570 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff] [ 0.000000] NODE_DATA [mem 0x11ffd5000-0x11fffbfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 1:1ff55001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b600000-ffff88011f5fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal [mem 0x100000000-0x11fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0xdfffdfff] [ 0.000000] node 0: [mem 0x100000000-0x11fffffff] [ 0.000000] On node 0 totalpages: 1048476 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 14272 pages used for memmap [ 0.000000] DMA32 zone: 913406 pages, LIFO batch:31 [ 0.000000] Normal zone: 2048 pages used for memmap [ 0.000000] Normal zone: 131072 pages, LIFO batch:31 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] ACPI: IRQ2 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57b000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfffe000-0xdfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xfeffbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfeffc000-0xfeffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xff000000-0xfffbffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffc0000-0xffffffff] [ 0.000000] e820: [mem 0xe0000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 29 pages/cpu @ffff88011fc00000 s87552 r8192 d23040 u524288 [ 0.000000] pcpu-alloc: s87552 r8192 d23040 u524288 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 11fc0e000 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1032071 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Memory: 3895176K/4193904K available (8422K kernel code, 1651K rwdata, 3884K rodata, 1792K init, 1876K bss, 298728K reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS:524544 nr_irqs:712 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.16.0-rc3-01927-ge376abf (kbuild@lkp-hsx01) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 SMP Tue Jul 8 05:29:20 CST 2014 [ 0.000000] Command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000dfffdfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dfffe000-0x00000000dfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] AGP: No AGP bridge found [ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 00E0000000 mask FFE0000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] PAT not supported by CPU. [ 0.000000] e820: last_pfn = 0xdfffe max_arch_pfn = 0x400000000 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000fda90-0x000fda9f] mapped at [ffff8800000fda90] [ 0.000000] mpc: fdaa0-fdbe4 [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x02144000, 0x02144fff] PGTABLE [ 0.000000] BRK [0x02145000, 0x02145fff] PGTABLE [ 0.000000] BRK [0x02146000, 0x02146fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff] [ 0.000000] [mem 0x11fe00000-0x11fffffff] page 2M [ 0.000000] BRK [0x02147000, 0x02147fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff] [ 0.000000] [mem 0x11c000000-0x11fdfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff] [ 0.000000] [mem 0x100000000-0x11bffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0xdfffdfff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0xdfdfffff] page 2M [ 0.000000] [mem 0xdfe00000-0xdfffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x76f85000-0x7fffffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000FD880 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x00000000DFFFE380 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x00000000DFFFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x00000000DFFFE3C0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x00000000DFFFFF40 000040 [ 0.000000] ACPI: SSDT 0x00000000DFFFF6E0 000858 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x00000000DFFFF5B0 000090 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x00000000DFFFF570 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff] [ 0.000000] NODE_DATA [mem 0x11ffd5000-0x11fffbfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 1:1ff55001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b600000-ffff88011f5fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal [mem 0x100000000-0x11fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0xdfffdfff] [ 0.000000] node 0: [mem 0x100000000-0x11fffffff] [ 0.000000] On node 0 totalpages: 1048476 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 14272 pages used for memmap [ 0.000000] DMA32 zone: 913406 pages, LIFO batch:31 [ 0.000000] Normal zone: 2048 pages used for memmap [ 0.000000] Normal zone: 131072 pages, LIFO batch:31 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] ACPI: IRQ2 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57b000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfffe000-0xdfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xfeffbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfeffc000-0xfeffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xff000000-0xfffbffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffc0000-0xffffffff] [ 0.000000] e820: [mem 0xe0000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 29 pages/cpu @ffff88011fc00000 s87552 r8192 d23040 u524288 [ 0.000000] pcpu-alloc: s87552 r8192 d23040 u524288 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 11fc0e000 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1032071 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Memory: 3895176K/4193904K available (8422K kernel code, 1651K rwdata, 3884K rodata, 1792K init, 1876K bss, 298728K reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS:524544 nr_irqs:712 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] console [ttyS0] enabled [ 0.000000] allocated 16777216 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Detected 2693.588 MHz processor [ 0.003000] Calibrating delay loop (skipped) preset value.. 5387.17 BogoMIPS (lpj=2693588) [ 0.003402] pid_max: default: 32768 minimum: 301 [ 0.004021] ACPI: Core revision 20140424 [ 0.005832] ACPI: All ACPI Tables successfully acquired [ 0.007088] Security Framework initialized [ 0.008012] SELinux: Initializing. [ 0.009015] SELinux: Starting in permissive mode [ 0.010427] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.017187] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.020648] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.021018] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.023048] Initializing cgroup subsys memory [ 0.024049] Initializing cgroup subsys devices [ 0.025017] Initializing cgroup subsys freezer [ 0.026011] Initializing cgroup subsys net_cls [ 0.027013] Initializing cgroup subsys blkio [ 0.028020] Initializing cgroup subsys perf_event [ 0.029010] Initializing cgroup subsys hugetlb [ 0.030087] mce: CPU supports 10 MCE banks [ 0.031048] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.031048] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.031048] tlb_flushall_shift: 6 [ 0.033031] Freeing SMP alternatives memory: 32K (ffffffff81f65000 - ffffffff81f6d000) [ 0.038321] ftrace: allocating 30766 entries in 121 pages [ 0.048323] Getting VERSION: 50014 [ 0.049011] Getting VERSION: 50014 [ 0.050011] Getting ID: 0 [ 0.051015] Getting ID: ff000000 [ 0.052013] Getting LVT0: 8700 [ 0.053008] Getting LVT1: 8400 [ 0.054079] enabled ExtINT on CPU#0 [ 0.056316] ENABLING IO-APIC IRQs [ 0.057009] init IO_APIC IRQs [ 0.058005] apic 0 pin 0 not connected [ 0.059012] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1) [ 0.060025] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1) [ 0.061025] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1) [ 0.062024] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1) [ 0.063023] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1) [ 0.064025] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1) [ 0.065024] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1) [ 0.066023] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1) [ 0.067023] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1) [ 0.068024] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1) [ 0.069022] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1) [ 0.070030] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1) [ 0.071023] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1) [ 0.072023] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1) [ 0.073022] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1) [ 0.074019] apic 0 pin 16 not connected [ 0.075012] apic 0 pin 17 not connected [ 0.076003] apic 0 pin 18 not connected [ 0.077004] apic 0 pin 19 not connected [ 0.078003] apic 0 pin 20 not connected [ 0.079003] apic 0 pin 21 not connected [ 0.080004] apic 0 pin 22 not connected [ 0.081003] apic 0 pin 23 not connected [ 0.082161] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.083003] smpboot: CPU0: Intel QEMU Virtual CPU version 1.7.1 (fam: 06, model: 06, stepping: 03) [ 0.086004] Using local APIC timer interrupts. [ 0.086004] calibrating APIC timer ... [ 0.088000] ... lapic delta = 6250266 [ 0.088000] ... PM-Timer delta = 358005 [ 0.088000] ... PM-Timer result ok [ 0.088000] ..... delta 6250266 [ 0.088000] ..... mult: 268446880 [ 0.088000] ..... calibration result: 1000042 [ 0.088000] ..... CPU clock speed is 2693.0897 MHz. [ 0.088000] ..... host bus clock speed is 1000.0042 MHz. [ 0.088101] Performance Events: Broken PMU hardware detected, using software events only. [ 0.090004] Failed to access perfctr msr (MSR c1 is 0) [ 0.094021] NMI watchdog: disabled (cpu0): hardware events not enabled [ 0.095287] x86: Booting SMP configuration: [ 0.096004] .... node #0, CPUs: #1 [ 0.093982] kvm-clock: cpu 1, msr 1:1ff55041, secondary cpu clock [ 0.093982] masked ExtINT on CPU#1 [ 0.110079] KVM setup async PF for cpu 1 [ 0.111000] #2 [ 0.111000] kvm-stealtime: cpu 1, msr 11fc8e000 [ 0.110098] kvm-clock: cpu 2, msr 1:1ff55081, secondary cpu clock [ 0.110098] masked ExtINT on CPU#2 [ 0.124091] KVM setup async PF for cpu 2 [ 0.125000] #3 [ 0.125000] kvm-stealtime: cpu 2, msr 11fd0e000 [ 0.124095] kvm-clock: cpu 3, msr 1:1ff550c1, secondary cpu clock [ 0.124095] masked ExtINT on CPU#3 [ 0.138067] x86: Booted up 1 node, 4 CPUs [ 0.138046] KVM setup async PF for cpu 3 [ 0.138046] kvm-stealtime: cpu 3, msr 11fd8e000 [ 0.139004] smpboot: Total of 4 processors activated (21548.70 BogoMIPS) [ 0.141295] devtmpfs: initialized [ 0.145018] evm: security.selinux [ 0.145672] evm: security.ima [ 0.146004] evm: security.capability [ 0.149902] atomic64_test: passed for x86-64 platform with CX8 and with SSE [ 0.150151] NET: Registered protocol family 16 [ 0.151266] cpuidle: using governor menu [ 0.152305] ACPI: bus type PCI registered [ 0.153004] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.154128] PCI: Using configuration type 1 for base access [ 0.160207] ACPI: Added _OSI(Module Device) [ 0.161004] ACPI: Added _OSI(Processor Device) [ 0.162004] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.163004] ACPI: Added _OSI(Processor Aggregator Device) [ 0.167020] ACPI: Interpreter enabled [ 0.168008] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140424/hwxface-580) [ 0.170006] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140424/hwxface-580) [ 0.172757] ACPI: (supports S0 S3 S4 S5) [ 0.173004] ACPI: Using IOAPIC for interrupt routing [ 0.174031] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.178953] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.179011] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 0.180010] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.181155] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.182442] acpiphp: Slot [3] registered [ 0.183043] acpiphp: Slot [4] registered [ 0.184043] acpiphp: Slot [5] registered [ 0.185034] acpiphp: Slot [6] registered [ 0.186034] acpiphp: Slot [7] registered [ 0.187033] acpiphp: Slot [8] registered [ 0.188033] acpiphp: Slot [9] registered [ 0.189034] acpiphp: Slot [10] registered [ 0.190044] acpiphp: Slot [11] registered [ 0.191033] acpiphp: Slot [12] registered [ 0.192033] acpiphp: Slot [13] registered [ 0.193034] acpiphp: Slot [14] registered [ 0.194033] acpiphp: Slot [15] registered [ 0.195149] acpiphp: Slot [24] registered [ 0.196041] acpiphp: Slot [25] registered [ 0.197043] acpiphp: Slot [26] registered [ 0.198033] acpiphp: Slot [27] registered [ 0.199046] acpiphp: Slot [28] registered [ 0.200035] acpiphp: Slot [29] registered [ 0.201033] acpiphp: Slot [30] registered [ 0.202033] acpiphp: Slot [31] registered [ 0.203016] PCI host bridge to bus 0000:00 [ 0.204007] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.205005] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7] [ 0.206005] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff] [ 0.207005] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff] [ 0.208005] pci_bus 0000:00: root bus resource [mem 0xe0000000-0xfebfffff] [ 0.209052] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 0.210470] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 [ 0.211617] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 [ 0.216006] pci 0000:00:01.1: reg 0x20: [io 0xc1c0-0xc1cf] [ 0.219036] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.220005] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.221004] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.222004] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.223233] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 0.225245] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.226016] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB [ 0.228005] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000 [ 0.231056] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref] [ 0.234049] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff] [ 0.244061] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 0.246591] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 0.249005] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 0.252009] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f] [ 0.261006] pci 0000:00:03.0: reg 0x30: [mem 0xfebc0000-0xfebdffff pref] [ 0.262307] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000 [ 0.264742] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 0.266005] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff] [ 0.274462] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000 [ 0.277007] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc0bf] [ 0.280005] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff] [ 0.289448] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000 [ 0.292006] pci 0000:00:06.0: reg 0x10: [io 0xc0c0-0xc0ff] [ 0.295005] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff] [ 0.304474] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000 [ 0.307006] pci 0000:00:07.0: reg 0x10: [io 0xc100-0xc13f] [ 0.310006] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff] [ 0.319464] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000 [ 0.322007] pci 0000:00:08.0: reg 0x10: [io 0xc140-0xc17f] [ 0.325011] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 0.335086] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000 [ 0.337625] pci 0000:00:09.0: reg 0x10: [io 0xc180-0xc1bf] [ 0.339005] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 0.347340] pci 0000:00:0a.0: [8086:25ab] type 00 class 0x088000 [ 0.349331] pci 0000:00:0a.0: reg 0x10: [mem 0xfebf7000-0xfebf700f] [ 0.355481] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.357124] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.359127] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.361114] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.362844] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.365000] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.365632] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.366006] vgaarb: loaded [ 0.367006] vgaarb: bridge control possible 0000:00:02.0 [ 0.369305] SCSI subsystem initialized [ 0.370085] ACPI: bus type USB registered [ 0.371065] usbcore: registered new interface driver usbfs [ 0.372026] usbcore: registered new interface driver hub [ 0.375066] usbcore: registered new device driver usb [ 0.376062] pps_core: LinuxPPS API ver. 1 registered [ 0.377003] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 0.378022] PTP clock support registered [ 0.381141] PCI: Using ACPI for IRQ routing [ 0.382014] PCI: pci_cache_line_size set to 64 bytes [ 0.383326] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff] [ 0.385015] e820: reserve RAM buffer [mem 0xdfffe000-0xdfffffff] [ 0.387039] NetLabel: Initializing [ 0.388008] NetLabel: domain hash size = 128 [ 0.389003] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.390056] NetLabel: unlabeled traffic allowed by default [ 0.391343] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 0.392038] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.394620] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.408039] Switched to clocksource kvm-clock [ 0.442908] pnp: PnP ACPI init [ 0.444135] ACPI: bus type PNP registered [ 0.445526] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:15) [ 0.448254] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.450171] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:15) [ 0.452708] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active) [ 0.454659] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:15) [ 0.457110] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active) [ 0.459066] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:15) [ 0.461562] pnp 00:03: [dma 2] [ 0.462704] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active) [ 0.464624] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:15) [ 0.467124] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active) [ 0.469119] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:15) [ 0.471680] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active) [ 0.473683] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:15) [ 0.476244] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active) [ 0.478383] pnp: PnP ACPI: found 7 devices [ 0.479753] ACPI: bus type PNP unregistered [ 0.488369] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7] [ 0.489612] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff] [ 0.490845] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff] [ 0.492287] pci_bus 0000:00: resource 7 [mem 0xe0000000-0xfebfffff] [ 0.493709] NET: Registered protocol family 2 [ 0.495234] TCP established hash table entries: 32768 (order: 6, 262144 bytes) [ 0.497290] TCP bind hash table entries: 32768 (order: 7, 524288 bytes) [ 0.499162] TCP: Hash tables configured (established 32768 bind 32768) [ 0.500674] TCP: reno registered [ 0.501537] UDP hash table entries: 2048 (order: 4, 65536 bytes) [ 0.502907] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes) [ 0.504457] NET: Registered protocol family 1 [ 0.506073] RPC: Registered named UNIX socket transport module. [ 0.507676] RPC: Registered udp transport module. [ 0.508977] RPC: Registered tcp transport module. [ 0.510238] RPC: Registered tcp NFSv4.1 backchannel transport module ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 @ 2014-07-08 8:59 ` Aaron Lu 0 siblings, 0 replies; 6+ messages in thread From: Aaron Lu @ 2014-07-08 8:59 UTC (permalink / raw) To: Maurizio Lombardi; +Cc: Jens Axboe, Ming Lei, Jet Chen, LKML, lkp [-- Attachment #1: Type: text/plain, Size: 14787 bytes --] The merge 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 seems to have only one commit: 254c4407cb84a6dec90336054615b0f0e996bb7c, so I added you guys in. Please take a look if this is a real problem, thanks. FYI, we noticed the below changes on git://git.kernel.dk/linux-block.git for-next commit 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 ("Merge branch 'for-3.17/core' into for-next") +------------------------------------------------------+------------+------------+ | | 45c1010407 | 49b3f10e2c | +------------------------------------------------------+------------+------------+ | boot_successes | 40 | 10 | | boot_failures | 21 | 15 | | BUG:kernel_early_hang_without_any_printk_output | 21 | 1 | | kernel_BUG_at_fs/direct-io.c | 0 | 10 | | invalid_opcode | 0 | 14 | | RIP:dio_send_cur_page | 0 | 10 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 14 | | backtrace:vfs_write | 0 | 10 | | backtrace:SyS_pwrite64 | 0 | 10 | | BUG:unable_to_handle_kernel_NULL_pointer_dereference | 0 | 4 | | Oops | 0 | 4 | | RIP:blk_throtl_drain | 0 | 4 | | kernel_BUG_at_arch/x86/mm/pageattr.c | 0 | 4 | | RIP:change_page_attr_set_clr | 0 | 4 | | backtrace:scsi_debug_exit | 0 | 4 | | backtrace:SyS_delete_module | 0 | 4 | +------------------------------------------------------+------------+------------+ [ 1010.593031] sda: unknown partition table [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 [ 1012.896336] PGD 0 [ 1012.896336] Oops: 0000 [#1] SMP [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 [ 1012.896336] RIP: 0010:[<ffffffff813cf880>] [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 [ 1012.896336] RSP: 0018:ffff88007966bb60 EFLAGS: 00010046 [ 1012.896336] RAX: 0000000000000000 RBX: ffff8800bdbba6e8 RCX: ffff88007dea1a20 [ 1012.896336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1012.896336] RBP: ffff88007966bb78 R08: 0000000000000000 R09: 0000000000000046 [ 1012.896336] R10: ffff88007966bb78 R11: 0000000000000246 R12: ffff8800bdbba6e8 [ 1012.896336] R13: ffff880091ba3800 R14: ffff8800bdbbad40 R15: ffff880030a13120 [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 [ 1012.896336] Stack: [ 1012.896336] ffff8800bdbba6e8 0000000000000000 ffff8800bdbbad50 ffff88007966bb88 [ 1012.896336] ffffffff813cc8ce ffff88007966bbb8 ffffffff813b1aac ffff8800bdbba6e8 [ 1012.896336] ffffffff81cf9200 ffff8800bdbba6e8 ffff880030a13000 ffff88007966bbd0 [ 1012.896336] Call Trace: [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b [ 1012.896336] Code: 55 65 ff 04 25 a0 c7 00 00 48 89 e5 41 55 41 54 49 89 fc 53 4c 8b af 40 07 00 00 49 8b 85 a0 00 00 00 31 ff 48 8b 80 c8 05 00 00 <48> 8b 70 28 e8 37 7f d2 ff 48 85 c0 48 89 c3 74 61 0f 1f 80 00 [ 1012.896336] RIP [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 [ 1012.896336] RSP <ffff88007966bb60> [ 1012.896336] CR2: 0000000000000028 [ 1012.896336] ------------[ cut here ]------------ [ 1012.896336] kernel BUG at arch/x86/mm/pageattr.c:216! [ 1012.896336] invalid opcode: 0000 [#2] SMP [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 [ 1012.896336] RIP: 0010:[<ffffffff8105bbd3>] [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 [ 1012.896336] RSP: 0018:ffff88007966aec8 EFLAGS: 00010046 [ 1012.896336] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000010 [ 1012.896336] RDX: 0000000000002200 RSI: 0000000000000000 RDI: 0000000080000000 [ 1012.896336] RBP: ffff88007966af58 R08: 800000007c3c2163 R09: 000000000007c3c2 [ 1012.896336] R10: ffffea0001f58000 R11: ffffffff813db659 R12: 0000000000000000 [ 1012.896336] R13: 0000000000000010 R14: 0000000000000004 R15: 0000000000000005 [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 [ 1012.896336] Stack: [ 1012.896336] 0000000200000000 0000000000000000 0000000000000000 ffff880100000200 [ 1012.896336] ffff8801151a0000 0000000000000000 0000000000000000 0000000000000010 [ 1012.896336] 0000000000000000 0000000500000001 000000000007c3c2 0000020000000000 [ 1012.896336] Call Trace: [ 1012.896336] [<ffffffff8105bf26>] _set_pages_array+0xe6/0x130 [ 1012.896336] [<ffffffff8105bfa3>] set_pages_array_wc+0x13/0x20 [ 1012.896336] [<ffffffffa00ca02f>] ttm_set_pages_caching+0x2f/0x70 [ttm] [ 1012.896336] [<ffffffffa00ca174>] ttm_alloc_new_pages.isra.6+0xb4/0x180 [ttm] [ 1012.896336] [<ffffffffa00caa63>] ttm_pool_populate+0x3c3/0x4d0 [ttm] [ 1012.896336] [<ffffffffa00e920e>] cirrus_ttm_tt_populate+0xe/0x10 [cirrus] [ 1012.896336] [<ffffffffa00c7571>] ttm_bo_move_memcpy+0x5d1/0x680 [ttm] [ 1012.896336] [<ffffffff8118dffe>] ? map_vm_area+0x2e/0x40 [ 1012.896336] [<ffffffffa00c3289>] ? ttm_tt_init+0x69/0xb0 [ttm] [ 1012.896336] [<ffffffffa00e91b8>] cirrus_bo_move+0x18/0x20 [cirrus] [ 1012.896336] [<ffffffffa00c4d45>] ttm_bo_handle_move_mem+0x265/0x5b0 [ttm] [ 1012.896336] [<ffffffffa00c56a6>] ? ttm_bo_mem_space+0x116/0x340 [ttm] [ 1012.896336] [<ffffffffa00c5d6f>] ttm_bo_validate+0x21f/0x230 [ttm] [ 1012.896336] [<ffffffffa00e99a2>] cirrus_bo_push_sysram+0x82/0xe0 [cirrus] [ 1012.896336] [<ffffffffa00e7bf5>] cirrus_crtc_do_set_base.isra.8.constprop.10+0x75/0x400 [cirrus] [ 1012.896336] [<ffffffffa00e83c9>] cirrus_crtc_mode_set+0x449/0x4d0 [cirrus] [ 1012.896336] [<ffffffffa00588e9>] drm_crtc_helper_set_mode+0x2b9/0x4f0 [drm_kms_helper] [ 1012.896336] [<ffffffffa005966f>] drm_crtc_helper_set_config+0x87f/0xaa0 [drm_kms_helper] [ 1012.896336] [<ffffffff818325fe>] ? __ww_mutex_lock+0x2e/0xaa [ 1012.896336] [<ffffffffa001a124>] drm_mode_set_config_internal+0x64/0xf0 [drm] [ 1012.896336] [<ffffffffa005c324>] drm_fb_helper_pan_display+0x94/0xf0 [drm_kms_helper] [ 1012.896336] [<ffffffff8143f959>] fb_pan_display+0xc9/0x190 [ 1012.896336] [<ffffffff81439b10>] bit_update_start+0x20/0x50 [ 1012.896336] [<ffffffff814395c2>] fbcon_switch+0x3a2/0x550 [ 1012.896336] [<ffffffff814b10d9>] redraw_screen+0x189/0x240 [ 1012.896336] [<ffffffff8143fcce>] ? fb_blank+0x9e/0xc0 [ 1012.896336] [<ffffffff81436b5a>] fbcon_blank+0x20a/0x2d0 [ 1012.896336] [<ffffffff810c91cc>] ? wake_up_klogd+0x3c/0x50 [ 1012.896336] [<ffffffff810c93d8>] ? console_unlock+0x1f8/0x440 [ 1012.896336] [<ffffffff81079133>] ? __internal_add_timer+0x113/0x130 [ 1012.896336] [<ffffffff8107917f>] ? internal_add_timer+0x2f/0x70 [ 1012.896336] [<ffffffff8107b1b2>] ? mod_timer+0x142/0x1f0 [ 1012.896336] [<ffffffff814b1bf8>] do_unblank_screen+0xb8/0x200 [ 1012.896336] [<ffffffff814b1d50>] unblank_screen+0x10/0x20 [ 1012.896336] [<ffffffff813ea3c9>] bust_spinlocks+0x19/0x40 [ 1012.896336] [<ffffffff81017718>] oops_end+0x38/0x150 [ 1012.896336] [<ffffffff81823e09>] no_context+0x2b3/0x2c0 [ 1012.896336] [<ffffffff81823e89>] __bad_area_nosemaphore+0x73/0x1ca [ 1012.896336] [<ffffffff81823ff3>] bad_area_nosemaphore+0x13/0x15 [ 1012.896336] [<ffffffff81058c90>] __do_page_fault+0x90/0x550 [ 1012.896336] [<ffffffff810a6148>] ? __enqueue_entity+0x78/0x80 [ 1012.896336] [<ffffffff810acca1>] ? enqueue_entity+0x291/0xba0 [ 1012.896336] [<ffffffff81053d47>] ? kvm_clock_read+0x27/0x40 [ 1012.896336] [<ffffffff810abc32>] ? check_preempt_wakeup+0x162/0x230 [ 1012.896336] [<ffffffff8109e715>] ? check_preempt_curr+0x85/0xa0 [ 1012.896336] [<ffffffff8109e749>] ? ttwu_do_wakeup+0x19/0xe0 [ 1012.896336] [<ffffffff81059201>] trace_do_page_fault+0x41/0x130 [ 1012.896336] [<ffffffff810536b9>] do_async_page_fault+0x29/0xe0 [ 1012.896336] [<ffffffff81836b88>] async_page_fault+0x28/0x30 [ 1012.896336] [<ffffffff813cf880>] ? blk_throtl_drain+0x30/0x150 [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b [ 1012.896336] Code: ff ff 48 8b 4d 80 e9 9f fc ff ff 0f 0b 0f 0b be ba 00 00 00 48 c7 c7 e8 cb ae 81 89 4d 80 e8 d5 15 01 00 8b 4d 80 e9 04 ff ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 [ 1012.896336] RIP [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 [ 1012.896336] RSP <ffff88007966aec8> [ 1012.896336] ---[ end trace 86a5a05a2d9e9cde ]--- [ 1012.896336] Kernel panic - not syncing: Fatal exception Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Aaron [-- Attachment #2: reproduce --] [-- Type: text/plain, Size: 1569 bytes --] mkfs -t xfs /dev/vdb mkfs -t xfs /dev/vdc mkfs -t xfs /dev/vdd mkfs -t xfs /dev/vde mount -t xfs -o nobarrier,inode64 /dev/vdb /fs/vdb mount -t xfs -o nobarrier,inode64 /dev/vdc /fs/vdc mount -t xfs -o nobarrier,inode64 /dev/vdd /fs/vdd mount -t xfs -o nobarrier,inode64 /dev/vde /fs/vde export TEST_DIR=/fs/vdb export TEST_DEV=/dev/vdb export SCRATCH_MNT=/fs/scratch mkdir /fs/scratch -p export SCRATCH_DEV=/dev/vde export SCRATCH_LOGDEV=/dev/vdc ./check xfs/001 xfs/002 xfs/003 xfs/004 xfs/005 xfs/006 xfs/007 xfs/008 xfs/009 xfs/010 xfs/011 xfs/012 xfs/013 xfs/014 xfs/019 xfs/021 xfs/022 xfs/023 xfs/024 xfs/025 xfs/026 xfs/027 xfs/029 xfs/030 xfs/034 xfs/035 xfs/036 xfs/037 xfs/038 xfs/039 xfs/040 xfs/041 xfs/043 xfs/044 xfs/045 xfs/046 xfs/048 xfs/049 xfs/052 xfs/055 xfs/057 xfs/058 xfs/061 xfs/063 xfs/067 xfs/071 xfs/072 xfs/073 xfs/080 xfs/085 xfs/090 xfs/092 xfs/094 xfs/095 xfs/096 xfs/103 xfs/108 xfs/114 xfs/115 xfs/116 xfs/118 xfs/119 xfs/121 xfs/122 xfs/134 xfs/137 xfs/138 xfs/142 xfs/143 xfs/144 xfs/145 xfs/146 xfs/147 xfs/148 xfs/149 xfs/150 xfs/151 xfs/152 xfs/153 xfs/154 xfs/155 xfs/156 xfs/157 xfs/158 xfs/159 xfs/160 xfs/161 xfs/162 xfs/163 xfs/164 xfs/165 xfs/166 xfs/168 xfs/170 xfs/174 xfs/175 xfs/176 xfs/177 xfs/181 xfs/183 xfs/185 xfs/186 xfs/187 xfs/188 xfs/189 xfs/190 xfs/191 xfs/194 xfs/195 xfs/196 xfs/197 xfs/199 xfs/201 xfs/202 xfs/203 xfs/205 xfs/216 xfs/220 xfs/222 xfs/238 xfs/242 xfs/244 xfs/252 xfs/253 xfs/261 xfs/262 xfs/267 xfs/268 xfs/278 xfs/279 xfs/281 xfs/287 xfs/290 xfs/298 xfs/299 xfs/300 xfs/303 xfs/304 xfs/305 [-- Attachment #3: .dmesg --] [-- Type: text/plain, Size: 39585 bytes --] early console in setup code Probing EDD (edd=off to disable)... ok early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.16.0-rc3-01927-ge376abf (kbuild@lkp-hsx01) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 SMP Tue Jul 8 05:29:20 CST 2014 [ 0.000000] Command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000dfffdfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dfffe000-0x00000000dfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] AGP: No AGP bridge found [ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 00E0000000 mask FFE0000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] PAT not supported by CPU. [ 0.000000] e820: last_pfn = 0xdfffe max_arch_pfn = 0x400000000 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000fda90-0x000fda9f] mapped at [ffff8800000fda90] [ 0.000000] mpc: fdaa0-fdbe4 [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x02144000, 0x02144fff] PGTABLE [ 0.000000] BRK [0x02145000, 0x02145fff] PGTABLE [ 0.000000] BRK [0x02146000, 0x02146fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff] [ 0.000000] [mem 0x11fe00000-0x11fffffff] page 2M [ 0.000000] BRK [0x02147000, 0x02147fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff] [ 0.000000] [mem 0x11c000000-0x11fdfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff] [ 0.000000] [mem 0x100000000-0x11bffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0xdfffdfff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0xdfdfffff] page 2M [ 0.000000] [mem 0xdfe00000-0xdfffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x76f85000-0x7fffffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000FD880 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x00000000DFFFE380 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x00000000DFFFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x00000000DFFFE3C0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x00000000DFFFFF40 000040 [ 0.000000] ACPI: SSDT 0x00000000DFFFF6E0 000858 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x00000000DFFFF5B0 000090 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x00000000DFFFF570 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff] [ 0.000000] NODE_DATA [mem 0x11ffd5000-0x11fffbfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 1:1ff55001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b600000-ffff88011f5fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal [mem 0x100000000-0x11fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0xdfffdfff] [ 0.000000] node 0: [mem 0x100000000-0x11fffffff] [ 0.000000] On node 0 totalpages: 1048476 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 14272 pages used for memmap [ 0.000000] DMA32 zone: 913406 pages, LIFO batch:31 [ 0.000000] Normal zone: 2048 pages used for memmap [ 0.000000] Normal zone: 131072 pages, LIFO batch:31 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] ACPI: IRQ2 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57b000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfffe000-0xdfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xfeffbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfeffc000-0xfeffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xff000000-0xfffbffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffc0000-0xffffffff] [ 0.000000] e820: [mem 0xe0000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 29 pages/cpu @ffff88011fc00000 s87552 r8192 d23040 u524288 [ 0.000000] pcpu-alloc: s87552 r8192 d23040 u524288 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 11fc0e000 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1032071 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Memory: 3895176K/4193904K available (8422K kernel code, 1651K rwdata, 3884K rodata, 1792K init, 1876K bss, 298728K reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS:524544 nr_irqs:712 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.16.0-rc3-01927-ge376abf (kbuild@lkp-hsx01) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 SMP Tue Jul 8 05:29:20 CST 2014 [ 0.000000] Command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000dfffdfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dfffe000-0x00000000dfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] AGP: No AGP bridge found [ 0.000000] e820: last_pfn = 0x120000 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 00E0000000 mask FFE0000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] PAT not supported by CPU. [ 0.000000] e820: last_pfn = 0xdfffe max_arch_pfn = 0x400000000 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000fda90-0x000fda9f] mapped at [ffff8800000fda90] [ 0.000000] mpc: fdaa0-fdbe4 [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x02144000, 0x02144fff] PGTABLE [ 0.000000] BRK [0x02145000, 0x02145fff] PGTABLE [ 0.000000] BRK [0x02146000, 0x02146fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fe00000-0x11fffffff] [ 0.000000] [mem 0x11fe00000-0x11fffffff] page 2M [ 0.000000] BRK [0x02147000, 0x02147fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11c000000-0x11fdfffff] [ 0.000000] [mem 0x11c000000-0x11fdfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11bffffff] [ 0.000000] [mem 0x100000000-0x11bffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0xdfffdfff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0xdfdfffff] page 2M [ 0.000000] [mem 0xdfe00000-0xdfffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x76f85000-0x7fffffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000FD880 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x00000000DFFFE380 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x00000000DFFFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x00000000DFFFE3C0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x00000000DFFFFF40 000040 [ 0.000000] ACPI: SSDT 0x00000000DFFFF6E0 000858 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x00000000DFFFF5B0 000090 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x00000000DFFFF570 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x11fffffff] [ 0.000000] NODE_DATA [mem 0x11ffd5000-0x11fffbfff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 1:1ff55001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b600000-ffff88011f5fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal [mem 0x100000000-0x11fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0xdfffdfff] [ 0.000000] node 0: [mem 0x100000000-0x11fffffff] [ 0.000000] On node 0 totalpages: 1048476 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 14272 pages used for memmap [ 0.000000] DMA32 zone: 913406 pages, LIFO batch:31 [ 0.000000] Normal zone: 2048 pages used for memmap [ 0.000000] Normal zone: 131072 pages, LIFO batch:31 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] ACPI: IRQ2 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57b000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfffe000-0xdfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xe0000000-0xfeffbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfeffc000-0xfeffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xff000000-0xfffbffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffc0000-0xffffffff] [ 0.000000] e820: [mem 0xe0000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 29 pages/cpu @ffff88011fc00000 s87552 r8192 d23040 u524288 [ 0.000000] pcpu-alloc: s87552 r8192 d23040 u524288 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 11fc0e000 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1032071 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: user=lkp job=/lkp/scheduled/vm-kbuild-4G-2/bisect_xfstests-4HDD-xfs-xfs-quick-x86_64-rhel-e376abfc9509f4063b4d810738244531867a8621-4.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/vmlinuz-3.16.0-rc3-01927-ge376abf kconfig=x86_64-rhel commit=e376abfc9509f4063b4d810738244531867a8621 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/xfstests.cgz modules_initrd=/kernel/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/modules.cgz RESULT_ROOT=/result/vm-kbuild-4G/xfstests/4HDD-xfs-xfs-quick/x86_64-rhel/e376abfc9509f4063b4d810738244531867a8621/0 ip=::::vm-kbuild-4G-2::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Memory: 3895176K/4193904K available (8422K kernel code, 1651K rwdata, 3884K rodata, 1792K init, 1876K bss, 298728K reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS:524544 nr_irqs:712 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] console [ttyS0] enabled [ 0.000000] allocated 16777216 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Detected 2693.588 MHz processor [ 0.003000] Calibrating delay loop (skipped) preset value.. 5387.17 BogoMIPS (lpj=2693588) [ 0.003402] pid_max: default: 32768 minimum: 301 [ 0.004021] ACPI: Core revision 20140424 [ 0.005832] ACPI: All ACPI Tables successfully acquired [ 0.007088] Security Framework initialized [ 0.008012] SELinux: Initializing. [ 0.009015] SELinux: Starting in permissive mode [ 0.010427] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.017187] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.020648] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.021018] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.023048] Initializing cgroup subsys memory [ 0.024049] Initializing cgroup subsys devices [ 0.025017] Initializing cgroup subsys freezer [ 0.026011] Initializing cgroup subsys net_cls [ 0.027013] Initializing cgroup subsys blkio [ 0.028020] Initializing cgroup subsys perf_event [ 0.029010] Initializing cgroup subsys hugetlb [ 0.030087] mce: CPU supports 10 MCE banks [ 0.031048] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.031048] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.031048] tlb_flushall_shift: 6 [ 0.033031] Freeing SMP alternatives memory: 32K (ffffffff81f65000 - ffffffff81f6d000) [ 0.038321] ftrace: allocating 30766 entries in 121 pages [ 0.048323] Getting VERSION: 50014 [ 0.049011] Getting VERSION: 50014 [ 0.050011] Getting ID: 0 [ 0.051015] Getting ID: ff000000 [ 0.052013] Getting LVT0: 8700 [ 0.053008] Getting LVT1: 8400 [ 0.054079] enabled ExtINT on CPU#0 [ 0.056316] ENABLING IO-APIC IRQs [ 0.057009] init IO_APIC IRQs [ 0.058005] apic 0 pin 0 not connected [ 0.059012] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1) [ 0.060025] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1) [ 0.061025] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1) [ 0.062024] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1) [ 0.063023] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1) [ 0.064025] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1) [ 0.065024] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1) [ 0.066023] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1) [ 0.067023] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1) [ 0.068024] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1) [ 0.069022] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1) [ 0.070030] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1) [ 0.071023] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1) [ 0.072023] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1) [ 0.073022] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1) [ 0.074019] apic 0 pin 16 not connected [ 0.075012] apic 0 pin 17 not connected [ 0.076003] apic 0 pin 18 not connected [ 0.077004] apic 0 pin 19 not connected [ 0.078003] apic 0 pin 20 not connected [ 0.079003] apic 0 pin 21 not connected [ 0.080004] apic 0 pin 22 not connected [ 0.081003] apic 0 pin 23 not connected [ 0.082161] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.083003] smpboot: CPU0: Intel QEMU Virtual CPU version 1.7.1 (fam: 06, model: 06, stepping: 03) [ 0.086004] Using local APIC timer interrupts. [ 0.086004] calibrating APIC timer ... [ 0.088000] ... lapic delta = 6250266 [ 0.088000] ... PM-Timer delta = 358005 [ 0.088000] ... PM-Timer result ok [ 0.088000] ..... delta 6250266 [ 0.088000] ..... mult: 268446880 [ 0.088000] ..... calibration result: 1000042 [ 0.088000] ..... CPU clock speed is 2693.0897 MHz. [ 0.088000] ..... host bus clock speed is 1000.0042 MHz. [ 0.088101] Performance Events: Broken PMU hardware detected, using software events only. [ 0.090004] Failed to access perfctr msr (MSR c1 is 0) [ 0.094021] NMI watchdog: disabled (cpu0): hardware events not enabled [ 0.095287] x86: Booting SMP configuration: [ 0.096004] .... node #0, CPUs: #1 [ 0.093982] kvm-clock: cpu 1, msr 1:1ff55041, secondary cpu clock [ 0.093982] masked ExtINT on CPU#1 [ 0.110079] KVM setup async PF for cpu 1 [ 0.111000] #2 [ 0.111000] kvm-stealtime: cpu 1, msr 11fc8e000 [ 0.110098] kvm-clock: cpu 2, msr 1:1ff55081, secondary cpu clock [ 0.110098] masked ExtINT on CPU#2 [ 0.124091] KVM setup async PF for cpu 2 [ 0.125000] #3 [ 0.125000] kvm-stealtime: cpu 2, msr 11fd0e000 [ 0.124095] kvm-clock: cpu 3, msr 1:1ff550c1, secondary cpu clock [ 0.124095] masked ExtINT on CPU#3 [ 0.138067] x86: Booted up 1 node, 4 CPUs [ 0.138046] KVM setup async PF for cpu 3 [ 0.138046] kvm-stealtime: cpu 3, msr 11fd8e000 [ 0.139004] smpboot: Total of 4 processors activated (21548.70 BogoMIPS) [ 0.141295] devtmpfs: initialized [ 0.145018] evm: security.selinux [ 0.145672] evm: security.ima [ 0.146004] evm: security.capability [ 0.149902] atomic64_test: passed for x86-64 platform with CX8 and with SSE [ 0.150151] NET: Registered protocol family 16 [ 0.151266] cpuidle: using governor menu [ 0.152305] ACPI: bus type PCI registered [ 0.153004] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.154128] PCI: Using configuration type 1 for base access [ 0.160207] ACPI: Added _OSI(Module Device) [ 0.161004] ACPI: Added _OSI(Processor Device) [ 0.162004] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.163004] ACPI: Added _OSI(Processor Aggregator Device) [ 0.167020] ACPI: Interpreter enabled [ 0.168008] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140424/hwxface-580) [ 0.170006] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140424/hwxface-580) [ 0.172757] ACPI: (supports S0 S3 S4 S5) [ 0.173004] ACPI: Using IOAPIC for interrupt routing [ 0.174031] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.178953] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.179011] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 0.180010] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.181155] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.182442] acpiphp: Slot [3] registered [ 0.183043] acpiphp: Slot [4] registered [ 0.184043] acpiphp: Slot [5] registered [ 0.185034] acpiphp: Slot [6] registered [ 0.186034] acpiphp: Slot [7] registered [ 0.187033] acpiphp: Slot [8] registered [ 0.188033] acpiphp: Slot [9] registered [ 0.189034] acpiphp: Slot [10] registered [ 0.190044] acpiphp: Slot [11] registered [ 0.191033] acpiphp: Slot [12] registered [ 0.192033] acpiphp: Slot [13] registered [ 0.193034] acpiphp: Slot [14] registered [ 0.194033] acpiphp: Slot [15] registered [ 0.195149] acpiphp: Slot [24] registered [ 0.196041] acpiphp: Slot [25] registered [ 0.197043] acpiphp: Slot [26] registered [ 0.198033] acpiphp: Slot [27] registered [ 0.199046] acpiphp: Slot [28] registered [ 0.200035] acpiphp: Slot [29] registered [ 0.201033] acpiphp: Slot [30] registered [ 0.202033] acpiphp: Slot [31] registered [ 0.203016] PCI host bridge to bus 0000:00 [ 0.204007] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.205005] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7] [ 0.206005] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff] [ 0.207005] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff] [ 0.208005] pci_bus 0000:00: root bus resource [mem 0xe0000000-0xfebfffff] [ 0.209052] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 0.210470] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 [ 0.211617] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 [ 0.216006] pci 0000:00:01.1: reg 0x20: [io 0xc1c0-0xc1cf] [ 0.219036] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.220005] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.221004] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.222004] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.223233] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 0.225245] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.226016] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB [ 0.228005] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000 [ 0.231056] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref] [ 0.234049] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff] [ 0.244061] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 0.246591] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 0.249005] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 0.252009] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f] [ 0.261006] pci 0000:00:03.0: reg 0x30: [mem 0xfebc0000-0xfebdffff pref] [ 0.262307] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000 [ 0.264742] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 0.266005] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff] [ 0.274462] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000 [ 0.277007] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc0bf] [ 0.280005] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff] [ 0.289448] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000 [ 0.292006] pci 0000:00:06.0: reg 0x10: [io 0xc0c0-0xc0ff] [ 0.295005] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff] [ 0.304474] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000 [ 0.307006] pci 0000:00:07.0: reg 0x10: [io 0xc100-0xc13f] [ 0.310006] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff] [ 0.319464] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000 [ 0.322007] pci 0000:00:08.0: reg 0x10: [io 0xc140-0xc17f] [ 0.325011] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 0.335086] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000 [ 0.337625] pci 0000:00:09.0: reg 0x10: [io 0xc180-0xc1bf] [ 0.339005] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 0.347340] pci 0000:00:0a.0: [8086:25ab] type 00 class 0x088000 [ 0.349331] pci 0000:00:0a.0: reg 0x10: [mem 0xfebf7000-0xfebf700f] [ 0.355481] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.357124] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.359127] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.361114] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.362844] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.365000] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.365632] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.366006] vgaarb: loaded [ 0.367006] vgaarb: bridge control possible 0000:00:02.0 [ 0.369305] SCSI subsystem initialized [ 0.370085] ACPI: bus type USB registered [ 0.371065] usbcore: registered new interface driver usbfs [ 0.372026] usbcore: registered new interface driver hub [ 0.375066] usbcore: registered new device driver usb [ 0.376062] pps_core: LinuxPPS API ver. 1 registered [ 0.377003] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 0.378022] PTP clock support registered [ 0.381141] PCI: Using ACPI for IRQ routing [ 0.382014] PCI: pci_cache_line_size set to 64 bytes [ 0.383326] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff] [ 0.385015] e820: reserve RAM buffer [mem 0xdfffe000-0xdfffffff] [ 0.387039] NetLabel: Initializing [ 0.388008] NetLabel: domain hash size = 128 [ 0.389003] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.390056] NetLabel: unlabeled traffic allowed by default [ 0.391343] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 0.392038] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.394620] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.408039] Switched to clocksource kvm-clock [ 0.442908] pnp: PnP ACPI init [ 0.444135] ACPI: bus type PNP registered [ 0.445526] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:15) [ 0.448254] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.450171] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:15) [ 0.452708] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active) [ 0.454659] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:15) [ 0.457110] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active) [ 0.459066] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:15) [ 0.461562] pnp 00:03: [dma 2] [ 0.462704] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active) [ 0.464624] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:15) [ 0.467124] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active) [ 0.469119] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:15) [ 0.471680] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active) [ 0.473683] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:15) [ 0.476244] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active) [ 0.478383] pnp: PnP ACPI: found 7 devices [ 0.479753] ACPI: bus type PNP unregistered [ 0.488369] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7] [ 0.489612] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff] [ 0.490845] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff] [ 0.492287] pci_bus 0000:00: resource 7 [mem 0xe0000000-0xfebfffff] [ 0.493709] NET: Registered protocol family 2 [ 0.495234] TCP established hash table entries: 32768 (order: 6, 262144 bytes) [ 0.497290] TCP bind hash table entries: 32768 (order: 7, 524288 bytes) [ 0.499162] TCP: Hash tables configured (established 32768 bind 32768) [ 0.500674] TCP: reno registered [ 0.501537] UDP hash table entries: 2048 (order: 4, 65536 bytes) [ 0.502907] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes) [ 0.504457] NET: Registered protocol family 1 [ 0.506073] RPC: Registered named UNIX socket transport module. [ 0.507676] RPC: Registered udp transport module. [ 0.508977] RPC: Registered tcp transport module. [ 0.510238] RPC: Registered tcp NFSv4.1 backchannel transport module ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 2014-07-08 8:59 ` Aaron Lu @ 2014-07-08 12:55 ` Maurizio Lombardi -1 siblings, 0 replies; 6+ messages in thread From: Maurizio Lombardi @ 2014-07-08 12:55 UTC (permalink / raw) To: lkp [-- Attachment #1: Type: text/plain, Size: 15219 bytes --] Hi, On 07/08/2014 10:59 AM, Aaron Lu wrote: > > [ 1010.593031] sda: unknown partition table > [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk > [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache > [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 > [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 Looks like it is crashing here: void blk_throtl_drain(struct request_queue *q) __releases(q->queue_lock) __acquires(q->queue_lock) { struct throtl_data *td = q->td; struct blkcg_gq *blkg; struct cgroup_subsys_state *pos_css; struct bio *bio; int rw; queue_lockdep_assert_held(q); rcu_read_lock(); /* * Drain each tg while doing post-order walk on the blkg tree, so * that all bios are propagated to td->service_queue. It'd be * better to walk service_queue tree directly but blkg walk is * easier. */ blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) <-------------- tg_drain_bios(&blkg_to_tg(blkg)->service_queue); #define blkg_for_each_descendant_post(d_blkg, pos_css, p_blkg) \ css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css) \ <-------------- if (((d_blkg) = __blkg_lookup(css_to_blkcg(pos_css), \ (p_blkg)->q, false))) The code tries to access to the blkcg pointer (offset 0x0028 of the blkcg_gq structure); so the root_blkg pointer is NULL, hence the kernel panic. So, IMO, what happens is that the root_blkg pointer is set to NULL by the blkg_destroy_all() function well before we reach the blk_throtl_drain() function. void blkcg_exit_queue(struct request_queue *q) { spin_lock_irq(q->queue_lock); blkg_destroy_all(q); <---- This is the point where the root_blkg pointer is destroyed (if I understand the code correctly) spin_unlock_irq(q->queue_lock); blk_throtl_exit(q); <---- This is the function which will execute blk_throtl_drain() } Jens, Ming, do you have any idea? Regards, Maurizio Lombardi > [ 1012.896336] PGD 0 > [ 1012.896336] Oops: 0000 [#1] SMP > [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 > [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 > [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 > [ 1012.896336] RIP: 0010:[<ffffffff813cf880>] [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 > [ 1012.896336] RSP: 0018:ffff88007966bb60 EFLAGS: 00010046 > [ 1012.896336] RAX: 0000000000000000 RBX: ffff8800bdbba6e8 RCX: ffff88007dea1a20 > [ 1012.896336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 > [ 1012.896336] RBP: ffff88007966bb78 R08: 0000000000000000 R09: 0000000000000046 > [ 1012.896336] R10: ffff88007966bb78 R11: 0000000000000246 R12: ffff8800bdbba6e8 > [ 1012.896336] R13: ffff880091ba3800 R14: ffff8800bdbbad40 R15: ffff880030a13120 > [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 > [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 > [ 1012.896336] Stack: > [ 1012.896336] ffff8800bdbba6e8 0000000000000000 ffff8800bdbbad50 ffff88007966bb88 > [ 1012.896336] ffffffff813cc8ce ffff88007966bbb8 ffffffff813b1aac ffff8800bdbba6e8 > [ 1012.896336] ffffffff81cf9200 ffff8800bdbba6e8 ffff880030a13000 ffff88007966bbd0 > [ 1012.896336] Call Trace: > [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 > [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 > [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 > [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 > [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 > [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 > [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 > [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 > [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 > [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 > [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 > [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 > [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 > [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 > [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] > [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 > [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 > [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 > [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 > [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 > [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] > [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] > [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 > [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 > [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 > [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b > [ 1012.896336] Code: 55 65 ff 04 25 a0 c7 00 00 48 89 e5 41 55 41 54 49 89 fc 53 4c 8b af 40 07 00 00 49 8b 85 a0 00 00 00 31 ff 48 8b 80 c8 05 00 00 <48> 8b 70 28 e8 37 7f d2 ff 48 85 c0 48 89 c3 74 61 0f 1f 80 00 > [ 1012.896336] RIP [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 > [ 1012.896336] RSP <ffff88007966bb60> > [ 1012.896336] CR2: 0000000000000028 > [ 1012.896336] ------------[ cut here ]------------ > [ 1012.896336] kernel BUG at arch/x86/mm/pageattr.c:216! > [ 1012.896336] invalid opcode: 0000 [#2] SMP > [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 > [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 > [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 > [ 1012.896336] RIP: 0010:[<ffffffff8105bbd3>] [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 > [ 1012.896336] RSP: 0018:ffff88007966aec8 EFLAGS: 00010046 > [ 1012.896336] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000010 > [ 1012.896336] RDX: 0000000000002200 RSI: 0000000000000000 RDI: 0000000080000000 > [ 1012.896336] RBP: ffff88007966af58 R08: 800000007c3c2163 R09: 000000000007c3c2 > [ 1012.896336] R10: ffffea0001f58000 R11: ffffffff813db659 R12: 0000000000000000 > [ 1012.896336] R13: 0000000000000010 R14: 0000000000000004 R15: 0000000000000005 > [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 > [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 > [ 1012.896336] Stack: > [ 1012.896336] 0000000200000000 0000000000000000 0000000000000000 ffff880100000200 > [ 1012.896336] ffff8801151a0000 0000000000000000 0000000000000000 0000000000000010 > [ 1012.896336] 0000000000000000 0000000500000001 000000000007c3c2 0000020000000000 > [ 1012.896336] Call Trace: > [ 1012.896336] [<ffffffff8105bf26>] _set_pages_array+0xe6/0x130 > [ 1012.896336] [<ffffffff8105bfa3>] set_pages_array_wc+0x13/0x20 > [ 1012.896336] [<ffffffffa00ca02f>] ttm_set_pages_caching+0x2f/0x70 [ttm] > [ 1012.896336] [<ffffffffa00ca174>] ttm_alloc_new_pages.isra.6+0xb4/0x180 [ttm] > [ 1012.896336] [<ffffffffa00caa63>] ttm_pool_populate+0x3c3/0x4d0 [ttm] > [ 1012.896336] [<ffffffffa00e920e>] cirrus_ttm_tt_populate+0xe/0x10 [cirrus] > [ 1012.896336] [<ffffffffa00c7571>] ttm_bo_move_memcpy+0x5d1/0x680 [ttm] > [ 1012.896336] [<ffffffff8118dffe>] ? map_vm_area+0x2e/0x40 > [ 1012.896336] [<ffffffffa00c3289>] ? ttm_tt_init+0x69/0xb0 [ttm] > [ 1012.896336] [<ffffffffa00e91b8>] cirrus_bo_move+0x18/0x20 [cirrus] > [ 1012.896336] [<ffffffffa00c4d45>] ttm_bo_handle_move_mem+0x265/0x5b0 [ttm] > [ 1012.896336] [<ffffffffa00c56a6>] ? ttm_bo_mem_space+0x116/0x340 [ttm] > [ 1012.896336] [<ffffffffa00c5d6f>] ttm_bo_validate+0x21f/0x230 [ttm] > [ 1012.896336] [<ffffffffa00e99a2>] cirrus_bo_push_sysram+0x82/0xe0 [cirrus] > [ 1012.896336] [<ffffffffa00e7bf5>] cirrus_crtc_do_set_base.isra.8.constprop.10+0x75/0x400 [cirrus] > [ 1012.896336] [<ffffffffa00e83c9>] cirrus_crtc_mode_set+0x449/0x4d0 [cirrus] > [ 1012.896336] [<ffffffffa00588e9>] drm_crtc_helper_set_mode+0x2b9/0x4f0 [drm_kms_helper] > [ 1012.896336] [<ffffffffa005966f>] drm_crtc_helper_set_config+0x87f/0xaa0 [drm_kms_helper] > [ 1012.896336] [<ffffffff818325fe>] ? __ww_mutex_lock+0x2e/0xaa > [ 1012.896336] [<ffffffffa001a124>] drm_mode_set_config_internal+0x64/0xf0 [drm] > [ 1012.896336] [<ffffffffa005c324>] drm_fb_helper_pan_display+0x94/0xf0 [drm_kms_helper] > [ 1012.896336] [<ffffffff8143f959>] fb_pan_display+0xc9/0x190 > [ 1012.896336] [<ffffffff81439b10>] bit_update_start+0x20/0x50 > [ 1012.896336] [<ffffffff814395c2>] fbcon_switch+0x3a2/0x550 > [ 1012.896336] [<ffffffff814b10d9>] redraw_screen+0x189/0x240 > [ 1012.896336] [<ffffffff8143fcce>] ? fb_blank+0x9e/0xc0 > [ 1012.896336] [<ffffffff81436b5a>] fbcon_blank+0x20a/0x2d0 > [ 1012.896336] [<ffffffff810c91cc>] ? wake_up_klogd+0x3c/0x50 > [ 1012.896336] [<ffffffff810c93d8>] ? console_unlock+0x1f8/0x440 > [ 1012.896336] [<ffffffff81079133>] ? __internal_add_timer+0x113/0x130 > [ 1012.896336] [<ffffffff8107917f>] ? internal_add_timer+0x2f/0x70 > [ 1012.896336] [<ffffffff8107b1b2>] ? mod_timer+0x142/0x1f0 > [ 1012.896336] [<ffffffff814b1bf8>] do_unblank_screen+0xb8/0x200 > [ 1012.896336] [<ffffffff814b1d50>] unblank_screen+0x10/0x20 > [ 1012.896336] [<ffffffff813ea3c9>] bust_spinlocks+0x19/0x40 > [ 1012.896336] [<ffffffff81017718>] oops_end+0x38/0x150 > [ 1012.896336] [<ffffffff81823e09>] no_context+0x2b3/0x2c0 > [ 1012.896336] [<ffffffff81823e89>] __bad_area_nosemaphore+0x73/0x1ca > [ 1012.896336] [<ffffffff81823ff3>] bad_area_nosemaphore+0x13/0x15 > [ 1012.896336] [<ffffffff81058c90>] __do_page_fault+0x90/0x550 > [ 1012.896336] [<ffffffff810a6148>] ? __enqueue_entity+0x78/0x80 > [ 1012.896336] [<ffffffff810acca1>] ? enqueue_entity+0x291/0xba0 > [ 1012.896336] [<ffffffff81053d47>] ? kvm_clock_read+0x27/0x40 > [ 1012.896336] [<ffffffff810abc32>] ? check_preempt_wakeup+0x162/0x230 > [ 1012.896336] [<ffffffff8109e715>] ? check_preempt_curr+0x85/0xa0 > [ 1012.896336] [<ffffffff8109e749>] ? ttwu_do_wakeup+0x19/0xe0 > [ 1012.896336] [<ffffffff81059201>] trace_do_page_fault+0x41/0x130 > [ 1012.896336] [<ffffffff810536b9>] do_async_page_fault+0x29/0xe0 > [ 1012.896336] [<ffffffff81836b88>] async_page_fault+0x28/0x30 > [ 1012.896336] [<ffffffff813cf880>] ? blk_throtl_drain+0x30/0x150 > [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 > [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 > [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 > [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 > [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 > [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 > [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 > [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 > [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 > [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 > [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 > [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 > [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 > [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 > [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] > [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 > [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 > [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 > [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 > [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 > [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] > [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] > [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 > [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 > [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 > [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b > [ 1012.896336] Code: ff ff 48 8b 4d 80 e9 9f fc ff ff 0f 0b 0f 0b be ba 00 00 00 48 c7 c7 e8 cb ae 81 89 4d 80 e8 d5 15 01 00 8b 4d 80 e9 04 ff ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 > [ 1012.896336] RIP [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 > [ 1012.896336] RSP <ffff88007966aec8> > [ 1012.896336] ---[ end trace 86a5a05a2d9e9cde ]--- > [ 1012.896336] Kernel panic - not syncing: Fatal exception > > > > Disclaimer: > Results have been estimated based on internal Intel analysis and are provided > for informational purposes only. Any difference in system hardware or software > design or configuration may affect actual performance. > > Thanks, > Aaron > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 @ 2014-07-08 12:55 ` Maurizio Lombardi 0 siblings, 0 replies; 6+ messages in thread From: Maurizio Lombardi @ 2014-07-08 12:55 UTC (permalink / raw) To: Aaron Lu; +Cc: Jens Axboe, Ming Lei, Jet Chen, LKML, lkp Hi, On 07/08/2014 10:59 AM, Aaron Lu wrote: > > [ 1010.593031] sda: unknown partition table > [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk > [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache > [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 > [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 Looks like it is crashing here: void blk_throtl_drain(struct request_queue *q) __releases(q->queue_lock) __acquires(q->queue_lock) { struct throtl_data *td = q->td; struct blkcg_gq *blkg; struct cgroup_subsys_state *pos_css; struct bio *bio; int rw; queue_lockdep_assert_held(q); rcu_read_lock(); /* * Drain each tg while doing post-order walk on the blkg tree, so * that all bios are propagated to td->service_queue. It'd be * better to walk service_queue tree directly but blkg walk is * easier. */ blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) <-------------- tg_drain_bios(&blkg_to_tg(blkg)->service_queue); #define blkg_for_each_descendant_post(d_blkg, pos_css, p_blkg) \ css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css) \ <-------------- if (((d_blkg) = __blkg_lookup(css_to_blkcg(pos_css), \ (p_blkg)->q, false))) The code tries to access to the blkcg pointer (offset 0x0028 of the blkcg_gq structure); so the root_blkg pointer is NULL, hence the kernel panic. So, IMO, what happens is that the root_blkg pointer is set to NULL by the blkg_destroy_all() function well before we reach the blk_throtl_drain() function. void blkcg_exit_queue(struct request_queue *q) { spin_lock_irq(q->queue_lock); blkg_destroy_all(q); <---- This is the point where the root_blkg pointer is destroyed (if I understand the code correctly) spin_unlock_irq(q->queue_lock); blk_throtl_exit(q); <---- This is the function which will execute blk_throtl_drain() } Jens, Ming, do you have any idea? Regards, Maurizio Lombardi > [ 1012.896336] PGD 0 > [ 1012.896336] Oops: 0000 [#1] SMP > [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 > [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 > [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 > [ 1012.896336] RIP: 0010:[<ffffffff813cf880>] [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 > [ 1012.896336] RSP: 0018:ffff88007966bb60 EFLAGS: 00010046 > [ 1012.896336] RAX: 0000000000000000 RBX: ffff8800bdbba6e8 RCX: ffff88007dea1a20 > [ 1012.896336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 > [ 1012.896336] RBP: ffff88007966bb78 R08: 0000000000000000 R09: 0000000000000046 > [ 1012.896336] R10: ffff88007966bb78 R11: 0000000000000246 R12: ffff8800bdbba6e8 > [ 1012.896336] R13: ffff880091ba3800 R14: ffff8800bdbbad40 R15: ffff880030a13120 > [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 > [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 > [ 1012.896336] Stack: > [ 1012.896336] ffff8800bdbba6e8 0000000000000000 ffff8800bdbbad50 ffff88007966bb88 > [ 1012.896336] ffffffff813cc8ce ffff88007966bbb8 ffffffff813b1aac ffff8800bdbba6e8 > [ 1012.896336] ffffffff81cf9200 ffff8800bdbba6e8 ffff880030a13000 ffff88007966bbd0 > [ 1012.896336] Call Trace: > [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 > [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 > [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 > [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 > [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 > [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 > [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 > [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 > [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 > [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 > [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 > [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 > [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 > [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 > [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] > [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 > [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 > [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 > [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 > [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 > [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] > [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] > [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 > [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 > [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 > [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b > [ 1012.896336] Code: 55 65 ff 04 25 a0 c7 00 00 48 89 e5 41 55 41 54 49 89 fc 53 4c 8b af 40 07 00 00 49 8b 85 a0 00 00 00 31 ff 48 8b 80 c8 05 00 00 <48> 8b 70 28 e8 37 7f d2 ff 48 85 c0 48 89 c3 74 61 0f 1f 80 00 > [ 1012.896336] RIP [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 > [ 1012.896336] RSP <ffff88007966bb60> > [ 1012.896336] CR2: 0000000000000028 > [ 1012.896336] ------------[ cut here ]------------ > [ 1012.896336] kernel BUG at arch/x86/mm/pageattr.c:216! > [ 1012.896336] invalid opcode: 0000 [#2] SMP > [ 1012.896336] Modules linked in: sd_mod scsi_debug(-) crct10dif_generic crc_t10dif crct10dif_common loop ipmi_watchdog ipmi_msghandler dm_mod fuse sg sr_mod cdrom ata_generic pata_acpi parport_pc parport floppy snd_pcm snd_timer snd cirrus ata_piix soundcore syscopyarea pcspkr sysfillrect sysimgblt ttm drm_kms_helper libata drm i2c_piix4 > [ 1012.896336] CPU: 1 PID: 8020 Comm: rmmod Not tainted 3.16.0-rc3-01927-ge376abf #1 > [ 1012.896336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 1012.896336] task: ffff8801151a0000 ti: ffff880079668000 task.ti: ffff880079668000 > [ 1012.896336] RIP: 0010:[<ffffffff8105bbd3>] [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 > [ 1012.896336] RSP: 0018:ffff88007966aec8 EFLAGS: 00010046 > [ 1012.896336] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000010 > [ 1012.896336] RDX: 0000000000002200 RSI: 0000000000000000 RDI: 0000000080000000 > [ 1012.896336] RBP: ffff88007966af58 R08: 800000007c3c2163 R09: 000000000007c3c2 > [ 1012.896336] R10: ffffea0001f58000 R11: ffffffff813db659 R12: 0000000000000000 > [ 1012.896336] R13: 0000000000000010 R14: 0000000000000004 R15: 0000000000000005 > [ 1012.896336] FS: 00007fa159320700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000 > [ 1012.896336] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1012.896336] CR2: 0000000000000028 CR3: 000000007f42e000 CR4: 00000000000006e0 > [ 1012.896336] Stack: > [ 1012.896336] 0000000200000000 0000000000000000 0000000000000000 ffff880100000200 > [ 1012.896336] ffff8801151a0000 0000000000000000 0000000000000000 0000000000000010 > [ 1012.896336] 0000000000000000 0000000500000001 000000000007c3c2 0000020000000000 > [ 1012.896336] Call Trace: > [ 1012.896336] [<ffffffff8105bf26>] _set_pages_array+0xe6/0x130 > [ 1012.896336] [<ffffffff8105bfa3>] set_pages_array_wc+0x13/0x20 > [ 1012.896336] [<ffffffffa00ca02f>] ttm_set_pages_caching+0x2f/0x70 [ttm] > [ 1012.896336] [<ffffffffa00ca174>] ttm_alloc_new_pages.isra.6+0xb4/0x180 [ttm] > [ 1012.896336] [<ffffffffa00caa63>] ttm_pool_populate+0x3c3/0x4d0 [ttm] > [ 1012.896336] [<ffffffffa00e920e>] cirrus_ttm_tt_populate+0xe/0x10 [cirrus] > [ 1012.896336] [<ffffffffa00c7571>] ttm_bo_move_memcpy+0x5d1/0x680 [ttm] > [ 1012.896336] [<ffffffff8118dffe>] ? map_vm_area+0x2e/0x40 > [ 1012.896336] [<ffffffffa00c3289>] ? ttm_tt_init+0x69/0xb0 [ttm] > [ 1012.896336] [<ffffffffa00e91b8>] cirrus_bo_move+0x18/0x20 [cirrus] > [ 1012.896336] [<ffffffffa00c4d45>] ttm_bo_handle_move_mem+0x265/0x5b0 [ttm] > [ 1012.896336] [<ffffffffa00c56a6>] ? ttm_bo_mem_space+0x116/0x340 [ttm] > [ 1012.896336] [<ffffffffa00c5d6f>] ttm_bo_validate+0x21f/0x230 [ttm] > [ 1012.896336] [<ffffffffa00e99a2>] cirrus_bo_push_sysram+0x82/0xe0 [cirrus] > [ 1012.896336] [<ffffffffa00e7bf5>] cirrus_crtc_do_set_base.isra.8.constprop.10+0x75/0x400 [cirrus] > [ 1012.896336] [<ffffffffa00e83c9>] cirrus_crtc_mode_set+0x449/0x4d0 [cirrus] > [ 1012.896336] [<ffffffffa00588e9>] drm_crtc_helper_set_mode+0x2b9/0x4f0 [drm_kms_helper] > [ 1012.896336] [<ffffffffa005966f>] drm_crtc_helper_set_config+0x87f/0xaa0 [drm_kms_helper] > [ 1012.896336] [<ffffffff818325fe>] ? __ww_mutex_lock+0x2e/0xaa > [ 1012.896336] [<ffffffffa001a124>] drm_mode_set_config_internal+0x64/0xf0 [drm] > [ 1012.896336] [<ffffffffa005c324>] drm_fb_helper_pan_display+0x94/0xf0 [drm_kms_helper] > [ 1012.896336] [<ffffffff8143f959>] fb_pan_display+0xc9/0x190 > [ 1012.896336] [<ffffffff81439b10>] bit_update_start+0x20/0x50 > [ 1012.896336] [<ffffffff814395c2>] fbcon_switch+0x3a2/0x550 > [ 1012.896336] [<ffffffff814b10d9>] redraw_screen+0x189/0x240 > [ 1012.896336] [<ffffffff8143fcce>] ? fb_blank+0x9e/0xc0 > [ 1012.896336] [<ffffffff81436b5a>] fbcon_blank+0x20a/0x2d0 > [ 1012.896336] [<ffffffff810c91cc>] ? wake_up_klogd+0x3c/0x50 > [ 1012.896336] [<ffffffff810c93d8>] ? console_unlock+0x1f8/0x440 > [ 1012.896336] [<ffffffff81079133>] ? __internal_add_timer+0x113/0x130 > [ 1012.896336] [<ffffffff8107917f>] ? internal_add_timer+0x2f/0x70 > [ 1012.896336] [<ffffffff8107b1b2>] ? mod_timer+0x142/0x1f0 > [ 1012.896336] [<ffffffff814b1bf8>] do_unblank_screen+0xb8/0x200 > [ 1012.896336] [<ffffffff814b1d50>] unblank_screen+0x10/0x20 > [ 1012.896336] [<ffffffff813ea3c9>] bust_spinlocks+0x19/0x40 > [ 1012.896336] [<ffffffff81017718>] oops_end+0x38/0x150 > [ 1012.896336] [<ffffffff81823e09>] no_context+0x2b3/0x2c0 > [ 1012.896336] [<ffffffff81823e89>] __bad_area_nosemaphore+0x73/0x1ca > [ 1012.896336] [<ffffffff81823ff3>] bad_area_nosemaphore+0x13/0x15 > [ 1012.896336] [<ffffffff81058c90>] __do_page_fault+0x90/0x550 > [ 1012.896336] [<ffffffff810a6148>] ? __enqueue_entity+0x78/0x80 > [ 1012.896336] [<ffffffff810acca1>] ? enqueue_entity+0x291/0xba0 > [ 1012.896336] [<ffffffff81053d47>] ? kvm_clock_read+0x27/0x40 > [ 1012.896336] [<ffffffff810abc32>] ? check_preempt_wakeup+0x162/0x230 > [ 1012.896336] [<ffffffff8109e715>] ? check_preempt_curr+0x85/0xa0 > [ 1012.896336] [<ffffffff8109e749>] ? ttwu_do_wakeup+0x19/0xe0 > [ 1012.896336] [<ffffffff81059201>] trace_do_page_fault+0x41/0x130 > [ 1012.896336] [<ffffffff810536b9>] do_async_page_fault+0x29/0xe0 > [ 1012.896336] [<ffffffff81836b88>] async_page_fault+0x28/0x30 > [ 1012.896336] [<ffffffff813cf880>] ? blk_throtl_drain+0x30/0x150 > [ 1012.896336] [<ffffffff813cc8ce>] blkcg_drain_queue+0xe/0x10 > [ 1012.896336] [<ffffffff813b1aac>] __blk_drain_queue+0x7c/0x180 > [ 1012.896336] [<ffffffff813b1c3e>] blk_queue_bypass_start+0x8e/0xd0 > [ 1012.896336] [<ffffffff813cba88>] blkcg_deactivate_policy+0x38/0x140 > [ 1012.896336] [<ffffffff813cfad4>] blk_throtl_exit+0x34/0x50 > [ 1012.896336] [<ffffffff813cc918>] blkcg_exit_queue+0x48/0x70 > [ 1012.896336] [<ffffffff813b5306>] blk_release_queue+0x26/0x100 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff813ae945>] blk_put_queue+0x15/0x20 > [ 1012.896336] [<ffffffff8151e6bb>] scsi_device_dev_release_usercontext+0xbb/0x120 > [ 1012.896336] [<ffffffff81087647>] execute_in_process_context+0x67/0x70 > [ 1012.896336] [<ffffffff8151e5fc>] scsi_device_dev_release+0x1c/0x20 > [ 1012.896336] [<ffffffff814dfab2>] device_release+0x32/0xa0 > [ 1012.896336] [<ffffffff813dd9e7>] kobject_cleanup+0x77/0x1b0 > [ 1012.896336] [<ffffffff813dd898>] kobject_put+0x28/0x60 > [ 1012.896336] [<ffffffff814dfda7>] put_device+0x17/0x20 > [ 1012.896336] [<ffffffff8151f109>] __scsi_remove_device+0xa9/0xe0 > [ 1012.896336] [<ffffffff8151d6b4>] scsi_forget_host+0x64/0x70 > [ 1012.896336] [<ffffffff81511bb7>] scsi_remove_host+0x77/0x120 > [ 1012.896336] [<ffffffffa01e15a9>] sdebug_driver_remove+0x29/0x90 [scsi_debug] > [ 1012.896336] [<ffffffff814e403f>] __device_release_driver+0x7f/0xf0 > [ 1012.896336] [<ffffffff814e40d3>] device_release_driver+0x23/0x30 > [ 1012.896336] [<ffffffff814e39d8>] bus_remove_device+0x108/0x180 > [ 1012.896336] [<ffffffff814e02d9>] device_del+0x129/0x1c0 > [ 1012.896336] [<ffffffff814e038e>] device_unregister+0x1e/0x60 > [ 1012.896336] [<ffffffffa01e0efc>] sdebug_remove_adapter+0x4c/0x70 [scsi_debug] > [ 1012.896336] [<ffffffffa01e552d>] scsi_debug_exit+0x19/0xaec [scsi_debug] > [ 1012.896336] [<ffffffff810ea51e>] SyS_delete_module+0x12e/0x1c0 > [ 1012.896336] [<ffffffff810536b9>] ? do_async_page_fault+0x29/0xe0 > [ 1012.896336] [<ffffffff81836b88>] ? async_page_fault+0x28/0x30 > [ 1012.896336] [<ffffffff81834ba9>] system_call_fastpath+0x16/0x1b > [ 1012.896336] Code: ff ff 48 8b 4d 80 e9 9f fc ff ff 0f 0b 0f 0b be ba 00 00 00 48 c7 c7 e8 cb ae 81 89 4d 80 e8 d5 15 01 00 8b 4d 80 e9 04 ff ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 > [ 1012.896336] RIP [<ffffffff8105bbd3>] change_page_attr_set_clr+0x433/0x440 > [ 1012.896336] RSP <ffff88007966aec8> > [ 1012.896336] ---[ end trace 86a5a05a2d9e9cde ]--- > [ 1012.896336] Kernel panic - not syncing: Fatal exception > > > > Disclaimer: > Results have been estimated based on internal Intel analysis and are provided > for informational purposes only. Any difference in system hardware or software > design or configuration may affect actual performance. > > Thanks, > Aaron > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 2014-07-08 8:59 ` Aaron Lu @ 2014-07-11 14:58 ` Maurizio Lombardi -1 siblings, 0 replies; 6+ messages in thread From: Maurizio Lombardi @ 2014-07-11 14:58 UTC (permalink / raw) To: lkp [-- Attachment #1: Type: text/plain, Size: 949 bytes --] Hi, On 07/08/2014 10:59 AM, Aaron Lu wrote: > The merge 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 seems to have only one > commit: 254c4407cb84a6dec90336054615b0f0e996bb7c, so I added you guys in. > Please take a look if this is a real problem, thanks. > > > [ 1010.593031] sda: unknown partition table > [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk > [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache > [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 > [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 I tried to revert my patch (commit 254c4407cb84a6dec90336054615b0f0e996bb7c) but I'm still able to hit the very same kernel panic in linux-next, so I think my patch is not the one to blame. I was able to reproduce the error in a more easier way: just execute the "reboot" command after the system boot is finished. Regards, Maurizio Lombardi ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 @ 2014-07-11 14:58 ` Maurizio Lombardi 0 siblings, 0 replies; 6+ messages in thread From: Maurizio Lombardi @ 2014-07-11 14:58 UTC (permalink / raw) To: Aaron Lu; +Cc: Jens Axboe, Ming Lei, Jet Chen, LKML, lkp Hi, On 07/08/2014 10:59 AM, Aaron Lu wrote: > The merge 49b3f10e2cf5c1c25d2ce33ab255cff8a8096ce6 seems to have only one > commit: 254c4407cb84a6dec90336054615b0f0e996bb7c, so I added you guys in. > Please take a look if this is a real problem, thanks. > > > [ 1010.593031] sda: unknown partition table > [ 1010.598052] sd 2:0:0:0: [sda] Attached SCSI disk > [ 1012.893125] sd 2:0:0:0: [sda] Synchronizing SCSI cache > [ 1012.895934] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 > [ 1012.896336] IP: [<ffffffff813cf880>] blk_throtl_drain+0x30/0x150 I tried to revert my patch (commit 254c4407cb84a6dec90336054615b0f0e996bb7c) but I'm still able to hit the very same kernel panic in linux-next, so I think my patch is not the one to blame. I was able to reproduce the error in a more easier way: just execute the "reboot" command after the system boot is finished. Regards, Maurizio Lombardi ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-07-11 14:59 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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[not found] <53bbad38.bUEV+/Tm2WTBCfJH%fengguang.wu@intel.com>
2014-07-08 8:59 ` [Merge branch 'for] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 Aaron Lu
2014-07-08 8:59 ` Aaron Lu
2014-07-08 12:55 ` Maurizio Lombardi
2014-07-08 12:55 ` Maurizio Lombardi
2014-07-11 14:58 ` Maurizio Lombardi
2014-07-11 14:58 ` Maurizio Lombardi
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