From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konstantinos Skarlatos Subject: Re: Hang in Raid-5 code (Old bug back?) Date: Thu, 16 Feb 2012 15:43:26 +0200 Message-ID: <4F3D07FE.6010601@gmail.com> References: <1363014.L0fQ1kFyFY@eseries> <8881584.REWxvMC81A@eseries> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <8881584.REWxvMC81A@eseries> Sender: linux-raid-owner@vger.kernel.org To: Dag Nygren Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On =CE=A0=CE=AD=CE=BC=CF=80=CF=84=CE=B7, 9 =CE=A6=CE=B5=CE=B2=CF=81=CE=BF= =CF=85=CE=AC=CF=81=CE=B9=CE=BF=CF=82 2012 4:55:11 =CF=80=CE=BC, Dag Nyg= ren wrote: > s=C3=B6ndag 05 februari 2012 18:55:58 skrev Dag Nygren: >> Hi! >> >> Using lessfs on top of an XFS on top on a software RAID-5 and see th= is >> freeze happening about once a week. Usually during heavy load. > > No comments on the stuff below? Nobody else? I also have frequent freezes on two raid5 arrays on different systems.=20 kernels tested are 3.1 and 3.2. system1: raid5-xfs-btrfs loop system2: raid5-btrfs when the freezes happen, iostat -xk 1 gives 100% usage on one random=20 disk. Here are some kernel messages from the raid5-xfs-loop btrfs system. [Mon Jan 30 20:07:10 2012] INFO: task rsync:18646 blocked for more than= =20 120 seconds. [Mon Jan 30 20:07:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Mon Jan 30 20:07:10 2012] rsync D 0000000105d6f258 0=20 18646 18645 0x00000000 [Mon Jan 30 20:07:10 2012] ffff88013bb39a78 0000000000000086=20 ffff880100000000 ffffffffa05086ba [Mon Jan 30 20:07:10 2012] ffff880200e94020 ffff88013bb39fd8=20 ffff88013bb39fd8 ffff88013bb39fd8 [Mon Jan 30 20:07:10 2012] ffff880202d21c80 ffff880200e94020=20 ffff8800b14b2900 ffff88013bb39a18 [Mon Jan 30 20:07:10 2012] Call Trace: [Mon Jan 30 20:07:10 2012] [] ?=20 btrfs_queue_worker+0x1ea/0x300 [btrfs] [Mon Jan 30 20:07:10 2012] [] ?=20 run_delalloc_range+0x185/0x360 [btrfs] [Mon Jan 30 20:07:10 2012] [] ? read_tsc+0x9/0x20 [Mon Jan 30 20:07:10 2012] [] ?=20 ktime_get_ts+0xad/0xe0 [Mon Jan 30 20:07:10 2012] [] ? read_tsc+0x9/0x20 [Mon Jan 30 20:07:10 2012] [] ? __lock_page+0x70/0x7= 0 [Mon Jan 30 20:07:10 2012] [] schedule+0x3f/0x60 [Mon Jan 30 20:07:10 2012] [] io_schedule+0x8f/0xd0 [Mon Jan 30 20:07:10 2012] [] sleep_on_page+0xe/0x20 [Mon Jan 30 20:07:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Mon Jan 30 20:07:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Mon Jan 30 20:07:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Mon Jan 30 20:07:10 2012] []=20 extent_write_cache_pages.isra.22.constprop.30+0x295/0x3f0 [btrfs] [Mon Jan 30 20:07:10 2012] [] ?=20 kmem_cache_free+0x13b/0x150 [Mon Jan 30 20:07:10 2012] [] ?=20 free_extent_state+0x37/0x60 [btrfs] [Mon Jan 30 20:07:10 2012] []=20 extent_writepages+0x45/0x60 [btrfs] [Mon Jan 30 20:07:10 2012] [] ?=20 uncompress_inline.isra.47+0x1d0/0x1d0 [btrfs] [Mon Jan 30 20:07:10 2012] []=20 btrfs_writepages+0x28/0x30 [btrfs] [Mon Jan 30 20:07:10 2012] [] do_writepages+0x24/0x4= 0 [Mon Jan 30 20:07:10 2012] []=20 __filemap_fdatawrite_range+0x5b/0x60 [Mon Jan 30 20:07:10 2012] []=20 filemap_fdatawrite_range+0x13/0x20 [Mon Jan 30 20:07:10 2012] []=20 btrfs_wait_ordered_range+0x66/0x150 [btrfs] [Mon Jan 30 20:07:10 2012] []=20 btrfs_truncate+0xc8/0x670 [btrfs] [Mon Jan 30 20:07:10 2012] []=20 btrfs_setattr+0xc1/0x1b0 [btrfs] [Mon Jan 30 20:07:10 2012] []=20 notify_change+0x1a2/0x340 [Mon Jan 30 20:07:10 2012] [] do_truncate+0x5e/0xa0 [Mon Jan 30 20:07:10 2012] []=20 sys_ftruncate+0xd5/0x120 [Mon Jan 30 20:07:10 2012] []=20 system_call_fastpath+0x16/0x1b [Mon Jan 30 22:37:10 2012] INFO: task btrfs-delayed-m:24548 blocked for= =20 more than 120 seconds. [Mon Jan 30 22:37:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Mon Jan 30 22:37:10 2012] btrfs-delayed-m D 0000000106001847 0=20 24548 2 0x00000000 [Mon Jan 30 22:37:10 2012] ffff8800014f3510 0000000000000046=20 0000000000000000 0000000000000286 [Mon Jan 30 22:37:10 2012] ffff880201804e60 ffff8800014f3fd8=20 ffff8800014f3fd8 ffff8800014f3fd8 [Mon Jan 30 22:37:10 2012] ffffffff8180d020 ffff880201804e60=20 ffffffff811239c9 ffff880201804e60 [Mon Jan 30 22:37:10 2012] Call Trace: [Mon Jan 30 22:37:10 2012] [] ?=20 zone_statistics+0x99/0xc0 [Mon Jan 30 22:37:10 2012] [] ?=20 mempool_alloc_slab+0x15/0x20 [Mon Jan 30 22:37:10 2012] [] ?=20 cpuacct_charge+0x65/0x70 [Mon Jan 30 22:37:10 2012] [] schedule+0x3f/0x60 [Mon Jan 30 22:37:10 2012] []=20 rwsem_down_failed_common+0xc5/0x160 [Mon Jan 30 22:37:10 2012] []=20 rwsem_down_write_failed+0x13/0x20 [Mon Jan 30 22:37:10 2012] []=20 call_rwsem_down_write_failed+0x13/0x20 [Mon Jan 30 22:37:10 2012] [] ? down_write+0x25/0x27 [Mon Jan 30 22:37:10 2012] []=20 cache_block_group+0x229/0x3d0 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 abort_exclusive_wait+0xb0/0xb0 [Mon Jan 30 22:37:10 2012] []=20 find_free_extent.constprop.67+0xab8/0xb20 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 ktime_get_ts+0xad/0xe0 [Mon Jan 30 22:37:10 2012] []=20 btrfs_reserve_extent+0xe8/0x220 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_alloc_free_block+0x178/0x350 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 __btrfs_cow_block+0x122/0x430 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_cow_block+0xf6/0x250 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 btrfs_set_lock_blocking_rw+0x50/0xb0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_search_slot+0x18e/0x8a0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 lookup_inline_extent_backref+0x9b/0x460 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 insert_inline_extent_backref+0x63/0xe0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 __btrfs_inc_extent_ref.isra.57+0x9e/0x1d0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 run_clustered_refs+0x496/0x810 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 btrfs_find_ref_cluster+0xe0/0x190 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_run_delayed_refs+0xc8/0x220 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 __btrfs_end_transaction+0xbe/0x310 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_end_transaction_dmeta+0x18/0x20 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_async_run_delayed_node_done+0xd8/0x1a0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 worker_loop+0x150/0x520 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 btrfs_queue_worker+0x300/0x300 [btrfs] [Mon Jan 30 22:37:10 2012] [] kthread+0x8c/0xa0 [Mon Jan 30 22:37:10 2012] []=20 kernel_thread_helper+0x4/0x10 [Mon Jan 30 22:37:10 2012] [] ?=20 kthread_worker_fn+0x190/0x190 [Mon Jan 30 22:37:10 2012] [] ? gs_change+0x13/0x13 [Mon Jan 30 22:37:10 2012] INFO: task btrfs-delayed-m:24550 blocked for= =20 more than 120 seconds. [Mon Jan 30 22:37:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Mon Jan 30 22:37:10 2012] btrfs-delayed-m D 000000010600185f 0=20 24550 2 0x00000000 [Mon Jan 30 22:37:10 2012] ffff88001b521630 0000000000000046=20 ffff88001b521570 ffffffff8105c001 [Mon Jan 30 22:37:10 2012] ffff8801ce0d23a0 ffff88001b521fd8=20 ffff88001b521fd8 ffff88001b521fd8 [Mon Jan 30 22:37:10 2012] ffff880202d21c80 ffff8801ce0d23a0=20 ffff8801ce0d23e8 0000000000000001 [Mon Jan 30 22:37:10 2012] Call Trace: [Mon Jan 30 22:37:10 2012] [] ?=20 update_curr+0x121/0x1f0 [Mon Jan 30 22:37:10 2012] [] ?=20 kmem_cache_alloc+0x133/0x160 [Mon Jan 30 22:37:10 2012] [] ?=20 kmem_cache_free+0x2f/0x150 [Mon Jan 30 22:37:10 2012] [] ? iput+0x48/0x210 [Mon Jan 30 22:37:10 2012] [] ?=20 tree_search_offset.isra.24+0x1ed/0x230 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 kmem_cache_alloc_trace+0x133/0x160 [Mon Jan 30 22:37:10 2012] [] schedule+0x3f/0x60 [Mon Jan 30 22:37:10 2012] []=20 wait_block_group_cache_progress+0xe2/0x110 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 abort_exclusive_wait+0xb0/0xb0 [Mon Jan 30 22:37:10 2012] [] ?=20 abort_exclusive_wait+0xb0/0xb0 [Mon Jan 30 22:37:10 2012] []=20 find_free_extent.constprop.67+0x3cd/0xb20 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 ktime_get_ts+0xad/0xe0 [Mon Jan 30 22:37:10 2012] []=20 btrfs_reserve_extent+0xe8/0x220 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_alloc_free_block+0x178/0x350 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 __btrfs_cow_block+0x122/0x430 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_cow_block+0xf6/0x250 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 btrfs_set_lock_blocking_rw+0x50/0xb0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_search_slot+0x18e/0x8a0 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 find_next_key+0xdd/0xf0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_insert_empty_items+0x7c/0xe0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 insert_extent_data_ref+0x65/0x2a0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 __btrfs_inc_extent_ref.isra.57+0x1bd/0x1d0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 run_clustered_refs+0x2a2/0x810 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 btrfs_find_ref_cluster+0xe0/0x190 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_run_delayed_refs+0xc8/0x220 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 __btrfs_end_transaction+0xbe/0x310 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_end_transaction_dmeta+0x18/0x20 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 btrfs_async_run_delayed_node_done+0xd8/0x1a0 [btrfs] [Mon Jan 30 22:37:10 2012] []=20 worker_loop+0x150/0x520 [btrfs] [Mon Jan 30 22:37:10 2012] [] ?=20 btrfs_queue_worker+0x300/0x300 [btrfs] [Mon Jan 30 22:37:10 2012] [] kthread+0x8c/0xa0 [Mon Jan 30 22:37:10 2012] []=20 kernel_thread_helper+0x4/0x10 [Mon Jan 30 22:37:10 2012] [] ?=20 kthread_worker_fn+0x190/0x190 [Mon Jan 30 22:37:10 2012] [] ? gs_change+0x13/0x13 [Tue Jan 31 12:55:10 2012] INFO: task btrfs-transacti:21407 blocked for= =20 more than 120 seconds. [Tue Jan 31 12:55:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 12:55:10 2012] btrfs-transacti D 0000000106ebce55 0=20 21407 2 0x00000000 [Tue Jan 31 12:55:10 2012] ffff8801d9573bc0 0000000000000046=20 ffffffff8142514e ffff880201a88000 [Tue Jan 31 12:55:10 2012] ffff880201f9c740 ffff8801d9573fd8=20 ffff8801d9573fd8 ffff8801d9573fd8 [Tue Jan 31 12:55:10 2012] ffff880202cb4e60 ffff880201f9c740=20 ffffffffa04fa601 ffff880071022e70 [Tue Jan 31 12:55:10 2012] Call Trace: [Tue Jan 31 12:55:10 2012] [] ?=20 __schedule+0x33e/0x980 [Tue Jan 31 12:55:10 2012] [] ?=20 extent_io_exit+0xd1/0x130 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 12:55:10 2012] [] ?=20 ktime_get_ts+0xad/0xe0 [Tue Jan 31 12:55:10 2012] [] ?=20 throtl_find_tg+0x46/0x60 [Tue Jan 31 12:55:10 2012] [] ?=20 blk_throtl_bio+0x1fa/0x5f0 [Tue Jan 31 12:55:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 12:55:10 2012] [] ?=20 __delayacct_blkio_end+0x34/0x60 [Tue Jan 31 12:55:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 12:55:10 2012] []=20 schedule_timeout+0x305/0x390 [Tue Jan 31 12:55:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 12:55:10 2012] []=20 wait_for_common+0xc8/0x160 [Tue Jan 31 12:55:10 2012] [] ?=20 try_to_wake_up+0x290/0x290 [Tue Jan 31 12:55:10 2012] []=20 wait_for_completion+0x1d/0x20 [Tue Jan 31 12:55:10 2012] []=20 write_dev_flush+0x4b/0x140 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 write_all_supers+0x6f6/0x800 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 write_ctree_super+0x13/0x20 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_commit_transaction+0x63d/0x880 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 abort_exclusive_wait+0xb0/0xb0 [Tue Jan 31 12:55:10 2012] [] ?=20 start_transaction+0x94/0x2b0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 transaction_kthread+0x26d/0x290 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 btrfs_congested_fn+0xd0/0xd0 [btrfs] [Tue Jan 31 12:55:10 2012] [] kthread+0x8c/0xa0 [Tue Jan 31 12:55:10 2012] []=20 kernel_thread_helper+0x4/0x10 [Tue Jan 31 12:55:10 2012] [] ?=20 kthread_worker_fn+0x190/0x190 [Tue Jan 31 12:55:10 2012] [] ? gs_change+0x13/0x13 [Tue Jan 31 12:55:10 2012] INFO: task rsync:13574 blocked for more than= =20 120 seconds. [Tue Jan 31 12:55:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 12:55:10 2012] rsync D 0000000106ebce49 0=20 13574 12299 0x00000000 [Tue Jan 31 12:55:10 2012] ffff880012c29758 0000000000000082=20 ffff880000000000 ffffffff8104f373 [Tue Jan 31 12:55:10 2012] ffff880202355ca0 ffff880012c29fd8=20 ffff880012c29fd8 ffff880012c29fd8 [Tue Jan 31 12:55:10 2012] ffff880202cb7200 ffff880202355ca0=20 ffff880012c296a8 ffffffffa01a31be [Tue Jan 31 12:55:10 2012] Call Trace: [Tue Jan 31 12:55:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 12:55:10 2012] [] ?=20 loop_make_request+0xde/0x110 [loop] [Tue Jan 31 12:55:10 2012] [] ?=20 generic_make_request+0xc7/0x100 [Tue Jan 31 12:55:10 2012] [] ? submit_bio+0x87/0x11= 0 [Tue Jan 31 12:55:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 12:55:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 12:55:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 12:55:10 2012] [] io_schedule+0x8f/0xd0 [Tue Jan 31 12:55:10 2012] [] sleep_on_page+0xe/0x20 [Tue Jan 31 12:55:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Tue Jan 31 12:55:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Tue Jan 31 12:55:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Tue Jan 31 12:55:10 2012] []=20 read_extent_buffer_pages+0x476/0x510 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 verify_parent_transid+0x160/0x160 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btree_read_extent_buffer_pages.isra.100+0x8a/0xc0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 read_tree_block+0x41/0x60 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 read_block_for_search.isra.33+0xf3/0x3d0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 generic_bin_search.constprop.35+0xe7/0x160 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_search_slot+0x390/0x8a0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_lookup_inode+0x2f/0xa0 [btrfs] [Tue Jan 31 12:55:10 2012] [] btrfs_iget+0x101/0x490= =20 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? __pollwait+0xf0/0xf0 [Tue Jan 31 12:55:10 2012] [] ? d_validate+0x10/0xb0 [Tue Jan 31 12:55:10 2012] []=20 btrfs_lookup_dentry+0x453/0x4e0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? __d_lookup+0xb5/0x17= 0 [Tue Jan 31 12:55:10 2012] [] btrfs_lookup+0x1d/0x60= =20 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 d_inode_lookup.isra.12+0x1d/0x50 [Tue Jan 31 12:55:10 2012] [] do_lookup+0x382/0x3d0 [Tue Jan 31 12:55:10 2012] []=20 path_lookupat+0x11c/0x760 [Tue Jan 31 12:55:10 2012] []=20 do_path_lookup+0x31/0xc0 [Tue Jan 31 12:55:10 2012] []=20 user_path_at_empty+0x59/0xa0 [Tue Jan 31 12:55:10 2012] [] ?=20 btrfs_fs_dirty_inode+0x1d/0x80 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 __mark_inode_dirty+0x19f/0x230 [Tue Jan 31 12:55:10 2012] [] user_path_at+0x11/0x20 [Tue Jan 31 12:55:10 2012] [] vfs_fstatat+0x3a/0x70 [Tue Jan 31 12:55:10 2012] [] ? sys_ioctl+0xa0/0xa0 [Tue Jan 31 12:55:10 2012] [] vfs_lstat+0x1e/0x20 [Tue Jan 31 12:55:10 2012] [] sys_newlstat+0x1a/0x40 [Tue Jan 31 12:55:10 2012] [] ?=20 sys_getdents+0xbc/0xf0 [Tue Jan 31 12:55:10 2012] []=20 system_call_fastpath+0x16/0x1b [Tue Jan 31 12:55:10 2012] INFO: task rsync:19379 blocked for more than= =20 120 seconds. [Tue Jan 31 12:55:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 12:55:10 2012] rsync D 0000000106ebce5c 0=20 19379 18859 0x00000000 [Tue Jan 31 12:55:10 2012] ffff88017e46b758 0000000000000086=20 ffff880100000000 ffffffff8104f373 [Tue Jan 31 12:55:10 2012] ffff88002d35c740 ffff88017e46bfd8=20 ffff88017e46bfd8 ffff88017e46bfd8 [Tue Jan 31 12:55:10 2012] ffff880202cb4e60 ffff88002d35c740=20 ffff88017e46b6a8 ffffffffa01a31be [Tue Jan 31 12:55:10 2012] Call Trace: [Tue Jan 31 12:55:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 12:55:10 2012] [] ?=20 loop_make_request+0xde/0x110 [loop] [Tue Jan 31 12:55:10 2012] [] ?=20 generic_make_request+0xc7/0x100 [Tue Jan 31 12:55:10 2012] [] ? submit_bio+0x87/0x11= 0 [Tue Jan 31 12:55:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 12:55:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 12:55:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 12:55:10 2012] [] io_schedule+0x8f/0xd0 [Tue Jan 31 12:55:10 2012] [] sleep_on_page+0xe/0x20 [Tue Jan 31 12:55:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Tue Jan 31 12:55:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Tue Jan 31 12:55:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Tue Jan 31 12:55:10 2012] []=20 read_extent_buffer_pages+0x476/0x510 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 verify_parent_transid+0x160/0x160 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btree_read_extent_buffer_pages.isra.100+0x8a/0xc0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 read_tree_block+0x41/0x60 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 read_block_for_search.isra.33+0xf3/0x3d0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 generic_bin_search.constprop.35+0xe7/0x160 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_search_slot+0x390/0x8a0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_lookup_inode+0x2f/0xa0 [btrfs] [Tue Jan 31 12:55:10 2012] [] btrfs_iget+0x101/0x490= =20 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 btrfs_lookup_dentry+0x4a5/0x4e0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? d_validate+0x10/0xb0 [Tue Jan 31 12:55:10 2012] []=20 btrfs_lookup_dentry+0x453/0x4e0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? __d_lookup+0xb5/0x17= 0 [Tue Jan 31 12:55:10 2012] [] btrfs_lookup+0x1d/0x60= =20 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 d_inode_lookup.isra.12+0x1d/0x50 [Tue Jan 31 12:55:10 2012] [] do_lookup+0x382/0x3d0 [Tue Jan 31 12:55:10 2012] [] ?=20 getname_flags+0x3b/0x260 [Tue Jan 31 12:55:10 2012] []=20 path_lookupat+0x11c/0x760 [Tue Jan 31 12:55:10 2012] []=20 do_path_lookup+0x31/0xc0 [Tue Jan 31 12:55:10 2012] []=20 user_path_at_empty+0x59/0xa0 [Tue Jan 31 12:55:10 2012] [] ? sys_ioctl+0xa0/0xa0 [Tue Jan 31 12:55:10 2012] [] ?=20 inode_get_bytes+0x44/0x60 [Tue Jan 31 12:55:10 2012] [] ?=20 btrfs_getattr+0x56/0x90 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? cp_new_stat+0xe4/0xf= 0 [Tue Jan 31 12:55:10 2012] [] user_path_at+0x11/0x20 [Tue Jan 31 12:55:10 2012] [] vfs_fstatat+0x3a/0x70 [Tue Jan 31 12:55:10 2012] [] vfs_lstat+0x1e/0x20 [Tue Jan 31 12:55:10 2012] [] sys_newlstat+0x1a/0x40 [Tue Jan 31 12:55:10 2012] []=20 system_call_fastpath+0x16/0x1b [Tue Jan 31 12:55:10 2012] INFO: task rsync:16598 blocked for more than= =20 120 seconds. [Tue Jan 31 12:55:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 12:55:10 2012] rsync D 0000000106ebce55 0=20 16598 16597 0x00000000 [Tue Jan 31 12:55:10 2012] ffff88000236f758 0000000000000086=20 ffff88000236f678 ffffffff8104f373 [Tue Jan 31 12:55:10 2012] ffff880025859560 ffff88000236ffd8=20 ffff88000236ffd8 ffff88000236ffd8 [Tue Jan 31 12:55:10 2012] ffff880202d21c80 ffff880025859560=20 ffff88000236f6a8 ffffffffa01a31be [Tue Jan 31 12:55:10 2012] Call Trace: [Tue Jan 31 12:55:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 12:55:10 2012] [] ?=20 loop_make_request+0xde/0x110 [loop] [Tue Jan 31 12:55:10 2012] [] ?=20 generic_make_request+0xc7/0x100 [Tue Jan 31 12:55:10 2012] [] ? submit_bio+0x87/0x11= 0 [Tue Jan 31 12:55:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 12:55:10 2012] [] ?=20 ktime_get_ts+0xad/0xe0 [Tue Jan 31 12:55:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 12:55:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 12:55:10 2012] [] io_schedule+0x8f/0xd0 [Tue Jan 31 12:55:10 2012] [] sleep_on_page+0xe/0x20 [Tue Jan 31 12:55:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Tue Jan 31 12:55:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Tue Jan 31 12:55:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Tue Jan 31 12:55:10 2012] []=20 read_extent_buffer_pages+0x476/0x510 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 verify_parent_transid+0x160/0x160 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btree_read_extent_buffer_pages.isra.100+0x8a/0xc0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 read_tree_block+0x41/0x60 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 read_block_for_search.isra.33+0xf3/0x3d0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 generic_bin_search.constprop.35+0xe7/0x160 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_search_slot+0x390/0x8a0 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 btrfs_lookup_inode+0x2f/0xa0 [btrfs] [Tue Jan 31 12:55:10 2012] [] btrfs_iget+0x101/0x490= =20 [btrfs] [Tue Jan 31 12:55:10 2012] [] ?=20 btrfs_lookup_dentry+0x4a5/0x4e0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? d_validate+0x10/0xb0 [Tue Jan 31 12:55:10 2012] []=20 btrfs_lookup_dentry+0x453/0x4e0 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? ns_capable+0x2a/0x60 [Tue Jan 31 12:55:10 2012] [] ?=20 generic_permission+0x149/0x280 [Tue Jan 31 12:55:10 2012] [] ? __d_lookup+0xb5/0x17= 0 [Tue Jan 31 12:55:10 2012] [] btrfs_lookup+0x1d/0x60= =20 [btrfs] [Tue Jan 31 12:55:10 2012] []=20 d_inode_lookup.isra.12+0x1d/0x50 [Tue Jan 31 12:55:10 2012] [] do_lookup+0x382/0x3d0 [Tue Jan 31 12:55:10 2012] [] ?=20 getname_flags+0x3b/0x260 [Tue Jan 31 12:55:10 2012] []=20 path_lookupat+0x11c/0x760 [Tue Jan 31 12:55:10 2012] []=20 do_path_lookup+0x31/0xc0 [Tue Jan 31 12:55:10 2012] []=20 user_path_at_empty+0x59/0xa0 [Tue Jan 31 12:55:10 2012] [] ?=20 inode_get_bytes+0x44/0x60 [Tue Jan 31 12:55:10 2012] [] ?=20 btrfs_getattr+0x56/0x90 [btrfs] [Tue Jan 31 12:55:10 2012] [] ? cp_new_stat+0xe4/0xf= 0 [Tue Jan 31 12:55:10 2012] [] user_path_at+0x11/0x20 [Tue Jan 31 12:55:10 2012] [] vfs_fstatat+0x3a/0x70 [Tue Jan 31 12:55:10 2012] [] vfs_lstat+0x1e/0x20 [Tue Jan 31 12:55:10 2012] [] sys_newlstat+0x1a/0x40 [Tue Jan 31 12:55:10 2012] []=20 system_call_fastpath+0x16/0x1b [Tue Jan 31 13:02:52 2012] device-mapper: uevent: version 1.0.3 [Tue Jan 31 13:02:52 2012] device-mapper: ioctl: 4.22.0-ioctl=20 (2011-10-19) initialised: dm-devel@redhat.com [Tue Jan 31 13:23:10 2012] INFO: task rsync:13574 blocked for more than= =20 120 seconds. [Tue Jan 31 13:23:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 13:23:10 2012] rsync D 0000000106f37614 0=20 13574 12299 0x00000000 [Tue Jan 31 13:23:10 2012] ffff880012c29a88 0000000000000082=20 ffff880012c299a8 ffffffff8104f373 [Tue Jan 31 13:23:10 2012] ffff880202355ca0 ffff880012c29fd8=20 ffff880012c29fd8 ffff880012c29fd8 [Tue Jan 31 13:23:10 2012] ffff880202d21c80 ffff880202355ca0=20 ffff880012c299d8 ffffffffa01a31be [Tue Jan 31 13:23:10 2012] Call Trace: [Tue Jan 31 13:23:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 13:23:10 2012] [] ?=20 loop_make_request+0xde/0x110 [loop] [Tue Jan 31 13:23:10 2012] [] ?=20 generic_make_request+0xc7/0x100 [Tue Jan 31 13:23:10 2012] [] ? submit_bio+0x87/0x11= 0 [Tue Jan 31 13:23:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 13:23:10 2012] [] ?=20 ktime_get_ts+0xad/0xe0 [Tue Jan 31 13:23:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 13:23:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 13:23:10 2012] [] io_schedule+0x8f/0xd0 [Tue Jan 31 13:23:10 2012] [] sleep_on_page+0xe/0x20 [Tue Jan 31 13:23:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Tue Jan 31 13:23:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Tue Jan 31 13:23:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Tue Jan 31 13:23:10 2012] []=20 read_extent_buffer_pages+0x476/0x510 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 verify_parent_transid+0x160/0x160 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btree_read_extent_buffer_pages.isra.100+0x8a/0xc0 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 read_tree_block+0x41/0x60 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 read_block_for_search.isra.33+0xf3/0x3d0 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btrfs_search_slot+0x390/0x8a0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 radix_tree_lookup+0xb/0x10 [Tue Jan 31 13:23:10 2012] []=20 btrfs_real_readdir+0x1b7/0x720 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? sys_ioctl+0xa0/0xa0 [Tue Jan 31 13:23:10 2012] [] ?=20 __mutex_lock_killable_slowpath+0x273/0x400 [Tue Jan 31 13:23:10 2012] [] ? sys_ioctl+0xa0/0xa0 [Tue Jan 31 13:23:10 2012] [] vfs_readdir+0xb0/0xe0 [Tue Jan 31 13:23:10 2012] [] sys_getdents+0x89/0xf0 [Tue Jan 31 13:23:10 2012] []=20 system_call_fastpath+0x16/0x1b [Tue Jan 31 13:23:10 2012] INFO: task rsync:19880 blocked for more than= =20 120 seconds. [Tue Jan 31 13:23:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 13:23:10 2012] rsync D 0000000106f37616 0=20 19880 19818 0x00000000 [Tue Jan 31 13:23:10 2012] ffff88019f8a3758 0000000000000086=20 ffff880100000000 ffffffff8104f373 [Tue Jan 31 13:23:10 2012] ffff8801e3e0b900 ffff88019f8a3fd8=20 ffff88019f8a3fd8 ffff88019f8a3fd8 [Tue Jan 31 13:23:10 2012] ffff880202cb4e60 ffff8801e3e0b900=20 ffff88019f8a36a8 ffffffffa01a31be [Tue Jan 31 13:23:10 2012] Call Trace: [Tue Jan 31 13:23:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 13:23:10 2012] [] ?=20 loop_make_request+0xde/0x110 [loop] [Tue Jan 31 13:23:10 2012] [] ?=20 generic_make_request+0xc7/0x100 [Tue Jan 31 13:23:10 2012] [] ? submit_bio+0x87/0x11= 0 [Tue Jan 31 13:23:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 13:23:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 13:23:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 13:23:10 2012] [] io_schedule+0x8f/0xd0 [Tue Jan 31 13:23:10 2012] [] sleep_on_page+0xe/0x20 [Tue Jan 31 13:23:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Tue Jan 31 13:23:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Tue Jan 31 13:23:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Tue Jan 31 13:23:10 2012] []=20 read_extent_buffer_pages+0x476/0x510 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 verify_parent_transid+0x160/0x160 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btree_read_extent_buffer_pages.isra.100+0x8a/0xc0 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 read_tree_block+0x41/0x60 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 read_block_for_search.isra.33+0xf3/0x3d0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 generic_bin_search.constprop.35+0xe7/0x160 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btrfs_search_slot+0x390/0x8a0 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btrfs_lookup_inode+0x2f/0xa0 [btrfs] [Tue Jan 31 13:23:10 2012] [] btrfs_iget+0x101/0x490= =20 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 btrfs_lookup_dentry+0x4a5/0x4e0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? d_validate+0x10/0xb0 [Tue Jan 31 13:23:10 2012] []=20 btrfs_lookup_dentry+0x453/0x4e0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? __d_lookup+0xb5/0x17= 0 [Tue Jan 31 13:23:10 2012] [] btrfs_lookup+0x1d/0x60= =20 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 d_inode_lookup.isra.12+0x1d/0x50 [Tue Jan 31 13:23:10 2012] [] do_lookup+0x382/0x3d0 [Tue Jan 31 13:23:10 2012] []=20 path_lookupat+0x11c/0x760 [Tue Jan 31 13:23:10 2012] []=20 do_path_lookup+0x31/0xc0 [Tue Jan 31 13:23:10 2012] []=20 user_path_at_empty+0x59/0xa0 [Tue Jan 31 13:23:10 2012] [] ? sys_ioctl+0xa0/0xa0 [Tue Jan 31 13:23:10 2012] [] ?=20 inode_get_bytes+0x44/0x60 [Tue Jan 31 13:23:10 2012] [] ?=20 btrfs_getattr+0x56/0x90 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? cp_new_stat+0xe4/0xf= 0 [Tue Jan 31 13:23:10 2012] [] user_path_at+0x11/0x20 [Tue Jan 31 13:23:10 2012] [] vfs_fstatat+0x3a/0x70 [Tue Jan 31 13:23:10 2012] [] vfs_lstat+0x1e/0x20 [Tue Jan 31 13:23:10 2012] [] sys_newlstat+0x1a/0x40 [Tue Jan 31 13:23:10 2012] []=20 system_call_fastpath+0x16/0x1b [Tue Jan 31 13:23:10 2012] INFO: task rsync:20089 blocked for more than= =20 120 seconds. [Tue Jan 31 13:23:10 2012] "echo 0 >=20 /proc/sys/kernel/hung_task_timeout_secs" disables this message. [Tue Jan 31 13:23:10 2012] rsync D 0000000106f37615 0=20 20089 20088 0x00000000 [Tue Jan 31 13:23:10 2012] ffff880046403758 0000000000000086=20 ffff880000000000 ffffffff8104f373 [Tue Jan 31 13:23:10 2012] ffff8801e3e0c020 ffff880046403fd8=20 ffff880046403fd8 ffff880046403fd8 [Tue Jan 31 13:23:10 2012] ffff880202cb4e60 ffff8801e3e0c020=20 ffff8800464036a8 ffffffffa01a31be [Tue Jan 31 13:23:10 2012] Call Trace: [Tue Jan 31 13:23:10 2012] [] ? __wake_up+0x53/0x70 [Tue Jan 31 13:23:10 2012] [] ?=20 loop_make_request+0xde/0x110 [loop] [Tue Jan 31 13:23:10 2012] [] ?=20 generic_make_request+0xc7/0x100 [Tue Jan 31 13:23:10 2012] [] ? submit_bio+0x87/0x11= 0 [Tue Jan 31 13:23:10 2012] [] ? read_tsc+0x9/0x20 [Tue Jan 31 13:23:10 2012] [] ? __lock_page+0x70/0x7= 0 [Tue Jan 31 13:23:10 2012] [] schedule+0x3f/0x60 [Tue Jan 31 13:23:10 2012] [] io_schedule+0x8f/0xd0 [Tue Jan 31 13:23:10 2012] [] sleep_on_page+0xe/0x20 [Tue Jan 31 13:23:10 2012] [] __wait_on_bit+0x5f/0x9= 0 [Tue Jan 31 13:23:10 2012] []=20 wait_on_page_bit+0x78/0x80 [Tue Jan 31 13:23:10 2012] [] ?=20 autoremove_wake_function+0x40/0x40 [Tue Jan 31 13:23:10 2012] []=20 read_extent_buffer_pages+0x476/0x510 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 verify_parent_transid+0x160/0x160 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btree_read_extent_buffer_pages.isra.100+0x8a/0xc0 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 read_tree_block+0x41/0x60 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 read_block_for_search.isra.33+0xf3/0x3d0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 generic_bin_search.constprop.35+0xe7/0x160 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btrfs_search_slot+0x390/0x8a0 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 btrfs_lookup_inode+0x2f/0xa0 [btrfs] [Tue Jan 31 13:23:10 2012] [] btrfs_iget+0x101/0x490= =20 [btrfs] [Tue Jan 31 13:23:10 2012] [] ?=20 btrfs_lookup_dentry+0x4a5/0x4e0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? d_validate+0x10/0xb0 [Tue Jan 31 13:23:10 2012] [] ?=20 __alloc_skb+0x4b/0x240 [Tue Jan 31 13:23:10 2012] []=20 btrfs_lookup_dentry+0x453/0x4e0 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? in_group_p+0x34/0x40 [Tue Jan 31 13:23:10 2012] [] ?=20 generic_permission+0x182/0x280 [Tue Jan 31 13:23:10 2012] [] ? __d_lookup+0xb5/0x17= 0 [Tue Jan 31 13:23:10 2012] [] btrfs_lookup+0x1d/0x60= =20 [btrfs] [Tue Jan 31 13:23:10 2012] []=20 d_inode_lookup.isra.12+0x1d/0x50 [Tue Jan 31 13:23:10 2012] [] do_lookup+0x382/0x3d0 [Tue Jan 31 13:23:10 2012] []=20 path_lookupat+0x11c/0x760 [Tue Jan 31 13:23:10 2012] []=20 do_path_lookup+0x31/0xc0 [Tue Jan 31 13:23:10 2012] []=20 user_path_at_empty+0x59/0xa0 [Tue Jan 31 13:23:10 2012] [] ?=20 inode_get_bytes+0x44/0x60 [Tue Jan 31 13:23:10 2012] [] ?=20 btrfs_getattr+0x56/0x90 [btrfs] [Tue Jan 31 13:23:10 2012] [] ? cp_new_stat+0xe4/0xf= 0 [Tue Jan 31 13:23:10 2012] [] user_path_at+0x11/0x20 [Tue Jan 31 13:23:10 2012] [] vfs_fstatat+0x3a/0x70 [Tue Jan 31 13:23:10 2012] [] vfs_lstat+0x1e/0x20 [Tue Jan 31 13:23:10 2012] [] sys_newlstat+0x1a/0x40 [Tue Jan 31 13:23:10 2012] []=20 system_call_fastpath+0x16/0x1b > Increased the stripe_cache_size to 4096 according to the workaround f= or ths > old similiar bug. Is the bug back in the recent kernels? > > Has not seen any freezes since that workaround but oth they weren't t= hat > frequent earlier either. > > >> Feb 5 02:51:04 mythserv kernel: INFO: task lessfs:2687 blocked for m= ore than >> 120 seconds. >> Feb 5 02:51:04 mythserv kernel: =E2=80=9Cecho 0> >> /proc/sys/kernel/hung_task_timeout_secs=E2=80=9D disables this messa= ge. >> Feb 5 02:51:04 mythserv kernel: lessfs D ffff88006faf1998 0 2687 1 >> 0=C3=9700000000 Feb 5 02:51:04 mythserv kernel: ffff880066579828 >> 0000000000000086 ffff8800665797b8 ffffffff00000000 >> Feb 5 02:51:04 mythserv kernel: ffff88006faf1620 0000000000013300 >> ffff880066579fd8 ffff880066578010 >> Feb 5 02:51:04 mythserv kernel: ffff880066579fd8 0000000000013300 >> ffffffff81655020 ffff88006faf1620 >> Feb 5 02:51:04 mythserv kernel: Call Trace: >> Feb 5 02:51:04 mythserv kernel: [] schedule+0x3f/0=C3=9760 >> Feb 5 02:51:04 mythserv kernel: [] get_active_stripe+0x2ea/0=C3=9779= 0 [raid456] >> Feb 5 02:51:04 mythserv kernel: [] ? try_to_wake_up+0x2b0/0x2b0 >> Feb 5 02:51:04 mythserv kernel: [] make_request+0x1ae/0=C3=97460 [ra= id456] >> Feb 5 02:51:04 mythserv kernel: [] ? wake_up_bit+0=C3=9740/0=C3=9740 >> Feb 5 02:51:04 mythserv kernel: [] md_make_request+0xd5/0=C3=97200 >> Feb 5 02:51:04 mythserv kernel: [] generic_make_request+0xbf/0xf0 >> Feb 5 02:51:04 mythserv kernel: [] submit_bio+0=C3=9785/0=C3=97110 >> Feb 5 02:51:04 mythserv kernel: [] ? __bio_add_page+0=C3=97110/0=C3=97= 250 >> Feb 5 02:51:04 mythserv kernel: [] xfs_submit_ioend_bio+0=C3=9757/0=C3= =9780 [xfs] >> Feb 5 02:51:04 mythserv kernel: [] xfs_submit_ioend+0xf6/0=C3=97110 = [xfs] >> Feb 5 02:51:04 mythserv kernel: [] xfs_vm_writepage+0=C3=97230/0=C3=97= 500 [xfs] >> Feb 5 02:51:04 mythserv kernel: [] __writepage+0=C3=9717/0=C3=9740 >> Feb 5 02:51:04 mythserv kernel: [] write_cache_pages+0=C3=97221/0x4a= 0 >> Feb 5 02:51:04 mythserv kernel: [] ? tomoyo_init_request_info+0x3f/0= =C3=9770 >> Feb 5 02:51:04 mythserv kernel: [] ? set_page_dirty+0=C3=9770/0=C3=97= 70 >> Feb 5 02:51:04 mythserv kernel: [] generic_writepages+0=C3=9751/0=C3= =9780 >> Feb 5 02:51:04 mythserv kernel: [] xfs_vm_writepages+0=C3=9753/0=C3=97= 70 [xfs] >> Feb 5 02:51:04 mythserv kernel: [] do_writepages+0=C3=9721/0=C3=9740 >> Feb 5 02:51:04 mythserv kernel: [] __filemap_fdatawrite_range+0x5b/0= =C3=9760 >> Feb 5 02:51:04 mythserv kernel: [] filemap_write_and_wait_range+0x5a= /0=C3=9780 >> Feb 5 02:51:04 mythserv kernel: [] xfs_file_fsync+0=C3=9768/0x2d0 [x= fs] >> Feb 5 02:51:04 mythserv kernel: [] vfs_fsync_range+0x2b/0=C3=9740 >> Feb 5 02:51:04 mythserv kernel: [] vfs_fsync+0x1c/0=C3=9720 >> Feb 5 02:51:04 mythserv kernel: [] do_fsync+0x3a/0=C3=9760 >> Feb 5 02:51:04 mythserv kernel: [] sys_fsync+0=C3=9710/0=C3=9720 >> Feb 5 02:51:04 mythserv kernel: [] system_call_fastpath+0=C3=9716/0x= 1b >> >> Any hints? Or any debugging I can do to help? I did find a similar c= as from >> 2008, but that is supposed to be fixed now. >> This also started after updating the kernel to the 3.x series. At th= e moment >> using 3.2.2 and still seeing it. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html