Re: 2.6.23.1: mdadm/raid5 hung/d-state

Justin Piszcz
2007-11-04T12:52:21Z

On Sun, 4 Nov 2007, Michael Tokarev wrote:

> Justin Piszcz wrote:
>> # ps auxww | grep D
>> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
>> root 273 0.0 0.0 0 0 ? D Oct21 14:40 [pdflush]
>> root 274 0.0 0.0 0 0 ? D Oct21 13:00 [pdflush]
>>
>> After several days/weeks, this is the second time this has happened,
>> while doing regular file I/O (decompressing a file), everything on the
>> device went into D-state.
>
> The next time you come across something like that, do a SysRq-T dump and
> post that. It shows a stack trace of all processes - and in particular,
> where exactly each task is stuck.
>
> /mjt
>

Yes I got it before I rebooted, ran that and then dmesg > file.

Here it is:

[1172609.665902] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.668768] ffffffff80747dc0 ffff81015c3aa918 ffff810091c899b4 ffff810091c899a8
[1172609.668871] Call Trace:
[1172609.674472] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172609.677362] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172609.680243] [<ffffffff8027b528>] do_select+0x468/0x560
[1172609.683105] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172609.685969] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.688851] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.691712] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.694534] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.697324] [<ffffffff8050bd41>] skb_copy_datagram_iovec+0x1a1/0x260
[1172609.700103] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172609.702856] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172609.705598] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172609.708303] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172609.710999] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172609.713694] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172609.716397] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172609.719112] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.721824] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172609.724525] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172609.727215] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172609.729880] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.732517]
[1172609.735115] bash S 0000000000000000 0 30959 30958
[1172609.737742] ffff810091c8be88 0000000000000086 0000000000000000 ffff8101ea172e20
[1172609.740404] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.743087] ffffffff80747dc0 ffff81015c3ab028 ffff810091c8be54 ffff810091c8be48
[1172609.743190] Call Trace:
[1172609.748404] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172609.751071] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172609.753714] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.756345] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.758967]
[1172609.761522] sr S 0000000000000000 0 30966 30959
[1172609.764123] ffff810122d7de88 0000000000000082 0000000000000000 ffff8101eab3ee20
[1172609.766769] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.769442] ffffffff80747dc0 ffff8101ea173028 ffff810122d7de54 ffff810122d7de48
[1172609.769545] Call Trace:
[1172609.774734] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172609.777369] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.779999] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.782616]
[1172609.785168] screen S 0000000000000000 0 30972 30966
[1172609.787768] ffff810144597f68 0000000000000086 ffff810144597f30 00000000ffffffff
[1172609.790416] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.793085] ffffffff80747dc0 ffff8101eab3f028 ffff810144597f34 ffff810144597f28
[1172609.793188] Call Trace:
[1172609.798381] [<ffffffff8022b0c5>] alarm_setitimer+0x35/0x70
[1172609.801049] [<ffffffff80232a09>] sys_pause+0x19/0x30
[1172609.803705] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.806361]
[1172609.808980] sshd S 0000000000000000 0 30973 7582
[1172609.811659] ffff810084003bf8 0000000000000082 0000000000000000 ffffffff80508e74
[1172609.814376] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.817104] ffffffff80747dc0 ffff8101ea172208 ffff810084003bc4 ffff810084003bb8
[1172609.817207] Call Trace:
[1172609.822530] [<ffffffff80508e74>] skb_queue_tail+0x24/0x60
[1172609.825292] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172609.828060] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172609.830820] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172609.833587] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172609.836344] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172609.839074] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172609.841794] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172609.844488] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172609.847161] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172609.849848] [<ffffffff8026b7cf>] __dentry_open+0x11f/0x1b0
[1172609.852541] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172609.855235] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172609.857922] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172609.860620] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.863343]
[1172609.866063] sshd S 0000000000000000 0 30975 30973
[1172609.868838] ffff810175c219e8 0000000000000086 ffff810175c219b0 0000000000000002
[1172609.871649] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.874490] ffffffff80747dc0 ffff81021b27d738 ffff810175c219b4 ffff810175c219a8
[1172609.874594] Call Trace:
[1172609.880153] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172609.883020] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172609.885890] [<ffffffff8027b528>] do_select+0x468/0x560
[1172609.888742] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172609.891581] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.894430] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.897258] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.900060] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.902841] [<ffffffff80267609>] add_partial+0x19/0x60
[1172609.905606] [<ffffffff80268a0d>] __slab_free+0x15d/0x310
[1172609.908363] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172609.911093] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172609.913795] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172609.916486] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172609.919151] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172609.921799] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172609.924455] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172609.927122] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.929786] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172609.932438] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172609.935083] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172609.937702] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.940292]
[1172609.942843] bash S 0000000000000000 0 30976 30975
[1172609.945423] ffff8101bf371e88 0000000000000082 0000000000000000 ffff81021e322710
[1172609.948037] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.950671] ffffffff80747dc0 ffff8101882bf738 ffff8101bf371e54 ffff8101bf371e48
[1172609.950774] Call Trace:
[1172609.955888] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172609.958505] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172609.961098] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172609.963662] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172609.966234] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172609.968766] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.971279]
[1172609.973759] screen S 0000000000000000 0 30991 30976
[1172609.976308] ffff8101a8329f68 0000000000000086 0000000000000000 00000000ffffffff
[1172609.978892] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172609.981501] ffffffff80747dc0 ffff81021e322918 ffff8101a8329f34 ffff8101a8329f28
[1172609.981605] Call Trace:
[1172609.986634] [<ffffffff8022b0c5>] alarm_setitimer+0x35/0x70
[1172609.989220] [<ffffffff80232a09>] sys_pause+0x19/0x30
[1172609.991766] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172609.994292]
[1172609.996787] screen D ffff8100a18ff800 0 30992 30991
[1172609.999344] ffff8101a854dd28 0000000000000086 ffff81022854ddb7 ffff8101a854dcd8
[1172610.001953] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.004574] ffffffff80747dc0 ffff810170233028 ffffffff80656bcb ffffffff8021f8bc
[1172610.004677] Call Trace:
[1172610.009752] [<ffffffff8021f8bc>] task_rq_lock+0x4c/0x90
[1172610.012366] [<ffffffff8021fb88>] try_to_wake_up+0x68/0x3b0
[1172610.014981] [<ffffffff80590f9d>] wait_for_completion+0x7d/0xc0
[1172610.017594] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.020208] [<ffffffff8023706a>] flush_cpu_workqueue+0x6a/0x90
[1172610.022828] [<ffffffff802371b0>] wq_barrier_func+0x0/0x10
[1172610.025447] [<ffffffff80237183>] flush_workqueue+0x33/0x50
[1172610.028076] [<ffffffff803e633f>] release_dev+0x44f/0x750
[1172610.030710] [<ffffffff80284847>] mntput_no_expire+0x27/0xb0
[1172610.033339] [<ffffffff803e6651>] tty_release+0x11/0x20
[1172610.035958] [<ffffffff8026e531>] __fput+0xb1/0x1a0
[1172610.038547] [<ffffffff8026b544>] filp_close+0x54/0x90
[1172610.041106] [<ffffffff8026ccc6>] sys_close+0x96/0x100
[1172610.043652] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.046160]
[1172610.048618] bash ? 0000000000000000 0 30993 30992
[1172610.051135] ffff8101aa2a3ee8 0000000000000046 ffff8101aa2a3eb0 0000000000000011
[1172610.053708] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.056312] ffffffff80747dc0 ffff810170233738 ffff8101aa2a3eb4 ffff8101aa2a3ea8
[1172610.056415] Call Trace:
[1172610.061510] [<ffffffff8022a18e>] do_exit+0x5be/0x8a0
[1172610.064172] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172610.066859] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.069537]
[1172610.072190] sshd S 0000000000000000 0 7001 7582
[1172610.074908] ffff8100792b1bf8 0000000000000082 0000000000000000 ffff8101e9c51b80
[1172610.077679] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.080477] ffffffff80747dc0 ffff8102234ff738 ffff8100792b1bc4 ffff8100792b1bb8
[1172610.080580] Call Trace:
[1172610.086042] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172610.088861] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172610.091673] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172610.094492] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.097318] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172610.100148] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.102976] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172610.105822] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172610.108651] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.111495] [<ffffffff8026b7cf>] __dentry_open+0x11f/0x1b0
[1172610.114319] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172610.117118] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172610.119902] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172610.122638] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.125360]
[1172610.128056] sshd S 0000000000000000 0 7003 7001
[1172610.130818] ffff8100675a39e8 0000000000000082 ffff8100675a39b0 0000000000000002
[1172610.133623] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.136446] ffffffff80747dc0 ffff810225459028 ffff8100675a39b4 ffff8100675a39a8
[1172610.136549] Call Trace:
[1172610.142064] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172610.144899] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172610.147716] [<ffffffff8027b528>] do_select+0x468/0x560
[1172610.150495] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172610.153260] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.156005] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.158707] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.161378] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.164026] [<ffffffff8050bd41>] skb_copy_datagram_iovec+0x1a1/0x260
[1172610.166675] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172610.169315] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172610.171917] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172610.174494] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172610.177085] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.179638] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172610.182178] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.184734] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.187290] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172610.189837] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172610.192370] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172610.194900] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.197426]
[1172610.199919] bash S 000000000000000e 0 7004 7003
[1172610.202470] ffff8100cc263e88 0000000000000082 80000000804ca065 ffff81022367f530
[1172610.205071] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.207699] ffffffff80747dc0 ffff8102234fe918 ffff8100cc263e38 ffff810035a16348
[1172610.207802] Call Trace:
[1172610.212949] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172610.215618] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.218263] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172610.220900] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172610.223509] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.226109] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172610.228693] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.231240]
[1172610.233746] aur S 0000000000000000 0 7014 7004
[1172610.236319] ffff810098071e88 0000000000000086 ffff810098071e50 ffffffff80232c93
[1172610.238941] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.241566] ffffffff80747dc0 ffff81022367f738 ffff810098071e54 ffff810098071e48
[1172610.241669] Call Trace:
[1172610.246766] [<ffffffff80232c93>] get_signal_to_deliver+0x73/0x470
[1172610.249380] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.251983] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.254563] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.257122]
[1172610.259648] aur S 0000000000000004 0 7066 7014
[1172610.262226] ffff810085231e88 0000000000000086 ffff8101ea314ce8 ffffffff80232c93
[1172610.264844] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.267471] ffffffff80747dc0 ffff8101ea314918 ffffffff802302ce ffffffff8020b3d6
[1172610.267574] Call Trace:
[1172610.272674] [<ffffffff80232c93>] get_signal_to_deliver+0x73/0x470
[1172610.275315] [<ffffffff802302ce>] recalc_sigpending+0xe/0x30
[1172610.277948] [<ffffffff8020b3d6>] do_notify_resume+0x536/0x7a0
[1172610.280577] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.283199] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.285840] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.288491]
[1172610.291116] unrar D ffff8100aa785c80 0 7135 7066
[1172610.293792] ffff8101ecf4ddb8 0000000000000086 ffff8101ecf4dd80 0000000000000000
[1172610.296525] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.299256] ffffffff80747dc0 ffff81021e53f028 ffff8101ecf4dd84 ffff8101ecf4dd78
[1172610.299359] Call Trace:
[1172610.304629] [<ffffffff80385635>] vn_iowait+0x75/0xa0
[1172610.307301] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.309979] [<ffffffff8036d19c>] xfs_trans_alloc+0x9c/0xb0
[1172610.312653] [<ffffffff80357fb5>] xfs_itruncate_start+0x35/0xe0
[1172610.315340] [<ffffffff80372c3a>] xfs_free_eofblocks+0x17a/0x280
[1172610.318032] [<ffffffff80377e74>] xfs_release+0x134/0x1e0
[1172610.320711] [<ffffffff8037ed7a>] xfs_file_release+0x1a/0x30
[1172610.323417] [<ffffffff8026e531>] __fput+0xb1/0x1a0
[1172610.326144] [<ffffffff8026b544>] filp_close+0x54/0x90
[1172610.328895] [<ffffffff8026ccc6>] sys_close+0x96/0x100
[1172610.331631] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.334353]
[1172610.337050] sshd D 0000000000000000 0 7187 7582
[1172610.339811] ffff81002b62fd28 0000000000000086 ffff81002b62fcf0 ffff81002b62fcd8
[1172610.342618] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.345448] ffffffff80747dc0 ffff8101ccda3028 ffff81002b62fcf4 ffff81002b62fce8
[1172610.345551] Call Trace:
[1172610.351072] [<ffffffff80590f9d>] wait_for_completion+0x7d/0xc0
[1172610.353915] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.356765] [<ffffffff8023706a>] flush_cpu_workqueue+0x6a/0x90
[1172610.359622] [<ffffffff802371b0>] wq_barrier_func+0x0/0x10
[1172610.362477] [<ffffffff80237183>] flush_workqueue+0x33/0x50
[1172610.365337] [<ffffffff803e633f>] release_dev+0x44f/0x750
[1172610.368184] [<ffffffff8026c04a>] sys_fchmodat+0x6a/0x120
[1172610.371026] [<ffffffff803e6651>] tty_release+0x11/0x20
[1172610.373843] [<ffffffff8026e531>] __fput+0xb1/0x1a0
[1172610.376628] [<ffffffff8026b544>] filp_close+0x54/0x90
[1172610.379402] [<ffffffff8026ccc6>] sys_close+0x96/0x100
[1172610.382135] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.384846]
[1172610.387529] sshd ? 0000000000000000 0 7218 7187
[1172610.390280] ffff81013bd7bee8 0000000000000046 ffff81013bd7beb0 0000000000000011
[1172610.393084] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.395907] ffffffff80747dc0 ffff8101bf6ae918 ffff81013bd7beb4 ffff81013bd7bea8
[1172610.396010] Call Trace:
[1172610.401528] [<ffffffff8022246c>] __cond_resched+0x1c/0x50
[1172610.404362] [<ffffffff8022a18e>] do_exit+0x5be/0x8a0
[1172610.407192] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172610.409993] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.412776]
[1172610.415520] sshd S 0000000000000000 0 7236 7582
[1172610.418293] ffff8101e4a89bf8 0000000000000082 ffff8101e4a89bc0 ffff81013bf542c0
[1172610.421090] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.423898] ffffffff80747dc0 ffff810168684208 ffff8101e4a89bc4 ffff8101e4a89bb8
[1172610.424001] Call Trace:
[1172610.429474] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172610.432284] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172610.435096] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172610.437896] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.440690] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172610.443487] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.446249] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172610.448997] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172610.451737] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.454491] [<ffffffff8026b7cf>] __dentry_open+0x11f/0x1b0
[1172610.457244] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172610.459989] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172610.462724] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172610.465430] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.468131]
[1172610.470765] sshd S 0000000000000000 0 7238 7236
[1172610.473440] ffff810046e1f9e8 0000000000000082 ffff810046e1f9b0 0000000000000002
[1172610.476161] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.478873] ffffffff80747dc0 ffff810168685028 ffff810046e1f9b4 ffff810046e1f9a8
[1172610.478975] Call Trace:
[1172610.484236] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172610.486940] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172610.489645] [<ffffffff8027b528>] do_select+0x468/0x560
[1172610.492340] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172610.495030] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.497738] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.500417] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.503076] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.505711] [<ffffffff8050bd41>] skb_copy_datagram_iovec+0x1a1/0x260
[1172610.508366] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172610.511004] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172610.513638] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172610.516245] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172610.518841] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.521423] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172610.523974] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.526518] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.529058] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172610.531592] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172610.534118] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172610.536645] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.539162]
[1172610.541651] bash S 000000000000000e 0 7239 7238
[1172610.544203] ffff8100aae5fe88 0000000000000082 80000001bab2c065 ffff810145b6ae20
[1172610.546809] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.549446] ffffffff80747dc0 ffff810168685738 ffff8100aae5fe38 ffff810065785f18
[1172610.549550] Call Trace:
[1172610.554709] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172610.557368] [<ffffffff8021ed69>] update_curr+0x109/0x120
[1172610.560022] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.562647] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172610.565267] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172610.567871] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172610.570435] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.572998] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172610.575555] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.578118]
[1172610.580652] sshd S 0000000000000000 0 7248 7582
[1172610.583235] ffff8101120d5bf8 0000000000000082 ffff8101120d5bc0 ffff81001e998dc0
[1172610.585865] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.588489] ffffffff80747dc0 ffff810130906208 ffff8101120d5bc4 ffff8101120d5bb8
[1172610.588592] Call Trace:
[1172610.593666] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172610.596253] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172610.598824] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172610.601405] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.603992] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172610.606571] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.609138] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172610.611720] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172610.614293] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.616883] [<ffffffff8026b7cf>] __dentry_open+0x11f/0x1b0
[1172610.619463] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172610.622029] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172610.624594] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172610.627144] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.629703]
[1172610.632237] sshd S 0000000000000000 0 7250 7248
[1172610.634822] ffff810126f3d9e8 0000000000000086 ffff810126f3d9b0 0000000000000002
[1172610.637453] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.640086] ffffffff80747dc0 ffff810130907028 ffff810126f3d9b4 ffff810126f3d9a8
[1172610.640190] Call Trace:
[1172610.645268] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172610.647857] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172610.650429] [<ffffffff8027b528>] do_select+0x468/0x560
[1172610.652990] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172610.655552] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.658131] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.660680] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.663230] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.665779] [<ffffffff8050bd41>] skb_copy_datagram_iovec+0x1a1/0x260
[1172610.668368] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172610.670946] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172610.673510] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172610.676075] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172610.678653] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.681222] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172610.683798] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.686386] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.688970] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172610.691546] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172610.694114] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172610.696683] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.699244]
[1172610.701782] bash S 000000000000000e 0 7251 7250
[1172610.704370] ffff810121e8de88 0000000000000086 800000008e47c065 ffff8101afbec710
[1172610.707005] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.709641] ffffffff80747dc0 ffff810130907738 ffff810121e8de38 ffff8101e65ef9d8
[1172610.709744] Call Trace:
[1172610.714827] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172610.717419] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.719979] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172610.722535] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172610.725088] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.727650] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172610.730203] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.732759]
[1172610.735278] su S 0000000000000000 0 7269 7251
[1172610.737850] ffff8101a5007e88 0000000000000086 ffff8101a5007e50 ffff8100219c0e20
[1172610.740475] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.743107] ffffffff80747dc0 ffff8101afbec918 ffff8101a5007e54 ffff8101a5007e48
[1172610.743210] Call Trace:
[1172610.748316] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.750913] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.753518] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.756084]
[1172610.758600] bash S 0000000000000000 0 7270 7269
[1172610.761175] ffff81014bc9be88 0000000000000086 ffff81014bc9be50 ffff810139e7c000
[1172610.763792] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.766419] ffffffff80747dc0 ffff8100219c1028 ffff81014bc9be54 ffff81014bc9be48
[1172610.766521] Call Trace:
[1172610.771636] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.774264] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172610.776885] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172610.779492] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.782107] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172610.784719] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.787329]
[1172610.789920] sshd S 0000000000000000 0 7278 7582
[1172610.792579] ffff810194cf5bf8 0000000000000086 ffff810194cf5bc0 ffff810010755600
[1172610.795276] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.797987] ffffffff80747dc0 ffff81002d667738 ffff810194cf5bc4 ffff810194cf5bb8
[1172610.798090] Call Trace:
[1172610.803311] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172610.805992] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172610.808641] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172610.811284] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.813937] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172610.816593] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.819250] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172610.821914] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172610.824602] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.827337] [<ffffffff8026b7cf>] __dentry_open+0x11f/0x1b0
[1172610.830101] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172610.832855] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172610.835593] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172610.838321] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.841049]
[1172610.843744] sshd S 0000000000000000 0 7280 7278
[1172610.846501] ffff81013acb39e8 0000000000000082 ffff81013acb39b0 0000000000000002
[1172610.849305] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.852125] ffffffff80747dc0 ffff81011060e918 ffff81013acb39b4 ffff81013acb39a8
[1172610.852228] Call Trace:
[1172610.857719] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172610.860553] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172610.863393] [<ffffffff8027b528>] do_select+0x468/0x560
[1172610.866228] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172610.869046] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.871874] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.874652] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.877377] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.880068] [<ffffffff80267609>] add_partial+0x19/0x60
[1172610.882722] [<ffffffff80268a0d>] __slab_free+0x15d/0x310
[1172610.885354] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172610.887984] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172610.890616] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172610.893251] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172610.895887] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172610.898512] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172610.901144] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172610.903780] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.906421] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172610.909040] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172610.911632] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172610.914215] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.916754]
[1172610.919253] bash S 000000000000000e 0 7281 7280
[1172610.921808] ffff8101919e3e88 0000000000000082 80000001542be065 ffff8100867c7530
[1172610.924409] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.927021] ffffffff80747dc0 ffff81011060f028 ffff8101919e3e38 ffff8101aae8a930
[1172610.927124] Call Trace:
[1172610.932186] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172610.934771] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.937337] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172610.939863] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.942391] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.944923]
[1172610.947429] su S 0000000000000000 0 7288 7281
[1172610.949987] ffff81004e873e88 0000000000000086 ffff81004e873e50 ffff81011060f530
[1172610.952588] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.955214] ffffffff80747dc0 ffff8100867c7738 ffff81004e873e54 ffff81004e873e48
[1172610.955317] Call Trace:
[1172610.960412] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172610.963007] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.965602] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172610.968186]
[1172610.970703] bash S 0000000000000000 0 7289 7288
[1172610.973262] ffff810043dbfdb8 0000000000000082 ffff810043dbfd80 0000000000000fee
[1172610.975867] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172610.978487] ffffffff80747dc0 ffff81011060f738 ffff810043dbfd84 ffff810043dbfd78
[1172610.978590] Call Trace:
[1172610.983666] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172610.986293] [<ffffffff8023af8c>] add_wait_queue+0x1c/0x60
[1172610.988916] [<ffffffff803e9bf8>] read_chan+0x228/0x6f0
[1172610.991531] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172610.994156] [<ffffffff803e6710>] tty_read+0xb0/0x100
[1172610.996766] [<ffffffff8026dc65>] vfs_read+0xc5/0x160
[1172610.999359] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172611.001936] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.004527]
[1172611.007092] strace S 0000000000000000 0 7319 7270
[1172611.009707] ffff8101534a9e88 0000000000000086 ffff8101534a9e50 0000000000000092
[1172611.012368] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.015032] ffffffff80747dc0 ffff810139e7c208 ffff8101534a9e54 ffff8101534a9e48
[1172611.015135] Call Trace:
[1172611.020281] [<ffffffff80231215>] __group_send_sig_info+0x75/0xa0
[1172611.022914] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172611.025526] [<ffffffff80231aa1>] kill_pid_info+0x51/0x90
[1172611.028133] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.030760] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.033389]
[1172611.035983] rm D 0000000000000000 0 7463 7239
[1172611.038664] ffff8101254a3b08 0000000000000086 ffff8101254a3ad0 ffffffff80592c6c
[1172611.041422] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.044223] ffffffff80747dc0 ffff810145b6b028 ffff8101254a3ad4 ffff8101254a3ac8
[1172611.044326] Call Trace:
[1172611.049792] [<ffffffff80592c6c>] __down+0x10c/0x11f
[1172611.052604] [<ffffffff80592c07>] __down+0xa7/0x11f
[1172611.055405] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.058227] [<ffffffff80592886>] __down_failed+0x35/0x3a
[1172611.061044] [<ffffffff8037c09e>] xfs_buf_lock+0x3e/0x40
[1172611.063866] [<ffffffff80367be5>] xfs_getsb+0x15/0x40
[1172611.066676] [<ffffffff8036e2da>] xfs_trans_getsb+0x5a/0xb0
[1172611.069478] [<ffffffff8036d1bf>] xfs_trans_apply_sb_deltas+0xf/0x370
[1172611.072281] [<ffffffff8036d5be>] _xfs_trans_commit+0x9e/0x3c0
[1172611.075085] [<ffffffff8039c301>] __up_read+0x21/0xb0
[1172611.077884] [<ffffffff80327522>] xfs_free_extent+0xe2/0x110
[1172611.080690] [<ffffffff80379e9c>] kmem_zone_alloc+0x5c/0xd0
[1172611.083499] [<ffffffff80379e9c>] kmem_zone_alloc+0x5c/0xd0
[1172611.086267] [<ffffffff80379f42>] kmem_zone_zalloc+0x32/0x50
[1172611.089024] [<ffffffff80357c9b>] xfs_itruncate_finish+0xdb/0x320
[1172611.091768] [<ffffffff80378311>] xfs_inactive+0x3f1/0x520
[1172611.094486] [<ffffffff80384629>] xfs_fs_clear_inode+0xa9/0x100
[1172611.097203] [<ffffffff802821e8>] clear_inode+0x58/0xf0
[1172611.099883] [<ffffffff80282369>] generic_delete_inode+0xe9/0xf0
[1172611.102557] [<ffffffff802783fa>] do_unlinkat+0x14a/0x1c0
[1172611.105235] [<ffffffff8059301d>] error_exit+0x0/0x84
[1172611.107916] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.110592]
[1172611.113232] pickup S 0000000000000000 0 7573 30580
[1172611.115922] ffff81021d34be58 0000000000000086 ffff81021d34be20 0000000000000000
[1172611.118661] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.121398] ffffffff80747dc0 ffff8101964af028 ffff81021d34be24 ffff81021d34be18
[1172611.121501] Call Trace:
[1172611.126801] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172611.129501] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172611.132189] [<ffffffff8029af2d>] sys_epoll_wait+0x1bd/0x4e0
[1172611.134877] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.137570] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.140247]
[1172611.142890] bash D 0000000000000000 0 8896 1
[1172611.145570] ffff8101cdf07ac8 0000000000000046 ffff8101cdf07a90 ffff810226a79800
[1172611.148276] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.150995] ffffffff80747dc0 ffff810114417738 ffff8101cdf07a94 ffff8101cdf07a88
[1172611.151098] Call Trace:
[1172611.156317] [<ffffffff80590f9d>] wait_for_completion+0x7d/0xc0
[1172611.159006] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.161706] [<ffffffff8023706a>] flush_cpu_workqueue+0x6a/0x90
[1172611.164401] [<ffffffff802371b0>] wq_barrier_func+0x0/0x10
[1172611.167086] [<ffffffff80237183>] flush_workqueue+0x33/0x50
[1172611.169785] [<ffffffff803e633f>] release_dev+0x44f/0x750
[1172611.172499] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172611.175232] [<ffffffff803e6651>] tty_release+0x11/0x20
[1172611.177948] [<ffffffff8026e531>] __fput+0xb1/0x1a0
[1172611.180652] [<ffffffff8026b544>] filp_close+0x54/0x90
[1172611.183331] [<ffffffff80228971>] put_files_struct+0xb1/0xd0
[1172611.185991] [<ffffffff80229d79>] do_exit+0x1a9/0x8a0
[1172611.188636] [<ffffffff80230c85>] __dequeue_signal+0x165/0x1f0
[1172611.191258] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172611.193857] [<ffffffff80232ee7>] get_signal_to_deliver+0x2c7/0x470
[1172611.196464] [<ffffffff8020af65>] do_notify_resume+0xc5/0x7a0
[1172611.199077] [<ffffffff80230992>] send_signal+0x62/0x1f0
[1172611.201678] [<ffffffff80231215>] __group_send_sig_info+0x75/0xa0
[1172611.204289] [<ffffffff80231a2e>] group_send_sig_info+0x6e/0x90
[1172611.206890] [<ffffffff8020b984>] sys_rt_sigreturn+0x324/0x3d0
[1172611.209498] [<ffffffff802322be>] sys_rt_sigaction+0x8e/0xc0
[1172611.212068] [<ffffffff8020bd66>] int_signal+0x12/0x17
[1172611.214618]
[1172611.217129] su ? 0000000000000000 0 8903 8896
[1172611.219666] ffff8101e685dee8 0000000000000046 ffff8101e685deb0 0000000000000011
[1172611.222241] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.224859] ffffffff80747dc0 ffff8101158e9028 ffff8101e685deb4 ffff8101e685dea8
[1172611.224962] Call Trace:
[1172611.230051] [<ffffffff8022a18e>] do_exit+0x5be/0x8a0
[1172611.232666] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172611.235284] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.237904]
[1172611.240493] bash D ffff8101bfb7e600 0 8977 1
[1172611.243132] ffff810106e37ac8 0000000000000046 ffff810106e37c08 ffff810226a79800
[1172611.245831] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.248548] ffffffff80747dc0 ffff81018e79d738 0000000000000000 0000000000000000
[1172611.248652] Call Trace:
[1172611.253996] [<ffffffff80590f9d>] wait_for_completion+0x7d/0xc0
[1172611.256787] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.259581] [<ffffffff8023706a>] flush_cpu_workqueue+0x6a/0x90
[1172611.262374] [<ffffffff802371b0>] wq_barrier_func+0x0/0x10
[1172611.265167] [<ffffffff80237183>] flush_workqueue+0x33/0x50
[1172611.267952] [<ffffffff803e633f>] release_dev+0x44f/0x750
[1172611.270733] [<ffffffff803e6651>] tty_release+0x11/0x20
[1172611.273502] [<ffffffff8026e531>] __fput+0xb1/0x1a0
[1172611.276259] [<ffffffff8026b544>] filp_close+0x54/0x90
[1172611.279016] [<ffffffff80228971>] put_files_struct+0xb1/0xd0
[1172611.281764] [<ffffffff80229d79>] do_exit+0x1a9/0x8a0
[1172611.284504] [<ffffffff80230c85>] __dequeue_signal+0x165/0x1f0
[1172611.287232] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172611.289939] [<ffffffff80232ee7>] get_signal_to_deliver+0x2c7/0x470
[1172611.292654] [<ffffffff8020af65>] do_notify_resume+0xc5/0x7a0
[1172611.295338] [<ffffffff80230992>] send_signal+0x62/0x1f0
[1172611.298000] [<ffffffff80231215>] __group_send_sig_info+0x75/0xa0
[1172611.300678] [<ffffffff80231a2e>] group_send_sig_info+0x6e/0x90
[1172611.303357] [<ffffffff8020b984>] sys_rt_sigreturn+0x324/0x3d0
[1172611.306036] [<ffffffff802322be>] sys_rt_sigaction+0x8e/0xc0
[1172611.308696] [<ffffffff8020bd66>] int_signal+0x12/0x17
[1172611.311338]
[1172611.313951] su ? 0000000000000000 0 8984 8977
[1172611.316601] ffff810151203ee8 0000000000000046 ffff810151203eb0 0000000000000011
[1172611.319282] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.321981] ffffffff80747dc0 ffff81021a284918 ffff810151203eb4 ffff810151203ea8
[1172611.322083] Call Trace:
[1172611.327263] [<ffffffff8022a18e>] do_exit+0x5be/0x8a0
[1172611.329910] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172611.332547] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.335180]
[1172611.337787] sshd S 0000000000000000 0 9072 7582
[1172611.340453] ffff81012ee91bf8 0000000000000082 ffff81012ee91bc0 ffff8101b0d95080
[1172611.343161] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.345879] ffffffff80747dc0 ffff8101cb862918 ffff81012ee91bc4 ffff81012ee91bb8
[1172611.345982] Call Trace:
[1172611.351307] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172611.354060] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172611.356818] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172611.359584] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.362359] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172611.365126] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172611.367882] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172611.370649] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172611.373404] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.376174] [<ffffffff8021e992>] pick_next_task_fair+0x42/0x70
[1172611.378939] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172611.381719] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172611.384497] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172611.387260] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172611.390008] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.392729]
[1172611.395395] sshd S 0000000000000000 0 9074 9072
[1172611.398114] ffff8101677179e8 0000000000000086 ffff8101677179b0 0000000000000002
[1172611.400847] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.403591] ffffffff80747dc0 ffff8101cb863738 ffff8101677179b4 ffff8101677179a8
[1172611.403694] Call Trace:
[1172611.409063] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172611.411822] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172611.414587] [<ffffffff8027b528>] do_select+0x468/0x560
[1172611.417307] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172611.420004] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.422704] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.425339] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.427923] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.430472] [<ffffffff80267609>] add_partial+0x19/0x60
[1172611.433013] [<ffffffff80268a0d>] __slab_free+0x15d/0x310
[1172611.435547] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172611.438080] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172611.440607] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172611.443136] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172611.445679] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172611.448224] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172611.450769] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.453330] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.455892] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172611.458451] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172611.460996] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172611.463530] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.466056]
[1172611.468545] bash S 0000000000000000 0 9075 9074
[1172611.471088] ffff8101a8d01db8 0000000000000086 ffff8101a8d01d80 0000000000000ff5
[1172611.473676] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.476296] ffffffff80747dc0 ffff81010f26c208 ffff8101a8d01d84 ffff8101a8d01d78
[1172611.476398] Call Trace:
[1172611.481491] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172611.484118] [<ffffffff8023af8c>] add_wait_queue+0x1c/0x60
[1172611.486724] [<ffffffff803e9bf8>] read_chan+0x228/0x6f0
[1172611.489303] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.491890] [<ffffffff803e6710>] tty_read+0xb0/0x100
[1172611.494437] [<ffffffff8026dc65>] vfs_read+0xc5/0x160
[1172611.496960] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172611.499471] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.501978]
[1172611.504443] sshd S 0000000000000000 0 9477 7582
[1172611.506967] ffff810122bb5bf8 0000000000000082 ffff810122bb5bc0 ffff810102e23600
[1172611.509518] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.512071] ffffffff80747dc0 ffff81019b72e918 ffff810122bb5bc4 ffff810122bb5bb8
[1172611.512174] Call Trace:
[1172611.517102] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172611.519615] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172611.522128] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172611.524648] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.527170] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172611.529681] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172611.532193] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172611.534712] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172611.537222] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.539741] [<ffffffff8021e992>] pick_next_task_fair+0x42/0x70
[1172611.542257] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172611.544776] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172611.547286] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172611.549793] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172611.552298] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.554805]
[1172611.557268] sshd S 0000000000000000 0 9479 9477
[1172611.559791] ffff8101d7f7b9e8 0000000000000082 ffff8101d7f7b9b0 0000000000000002
[1172611.562340] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.564892] ffffffff80747dc0 ffff81019b72f738 ffff8101d7f7b9b4 ffff8101d7f7b9a8
[1172611.564995] Call Trace:
[1172611.569926] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172611.572443] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172611.574957] [<ffffffff8027b528>] do_select+0x468/0x560
[1172611.577469] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172611.579979] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.582500] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.585023] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.587546] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.590069] [<ffffffff8050bd41>] skb_copy_datagram_iovec+0x1a1/0x260
[1172611.592602] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172611.595136] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172611.597669] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172611.600206] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172611.602755] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172611.605295] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172611.607838] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.610396] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.612949] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172611.615496] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172611.618033] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172611.620569] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.623100]
[1172611.625606] bash S 7fffffffffffffff 0 9480 9479
[1172611.628160] ffff8101d7ed1db8 0000000000000086 000000000000000b 0000000000000ff5
[1172611.630773] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.633395] ffffffff80747dc0 ffff8101cb7ee208 0000000000000000 ffff8101657c8018
[1172611.633497] Call Trace:
[1172611.638557] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172611.641136] [<ffffffff8023af8c>] add_wait_queue+0x1c/0x60
[1172611.643699] [<ffffffff803e9bf8>] read_chan+0x228/0x6f0
[1172611.646256] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.648829] [<ffffffff803e6710>] tty_read+0xb0/0x100
[1172611.651389] [<ffffffff8026dc65>] vfs_read+0xc5/0x160
[1172611.653928] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172611.656463] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.659013]
[1172611.661536] su S 0000000000000000 0 9613 1
[1172611.664103] ffff8101c3c57e88 0000000000000086 ffff8101c3c57e50 ffff810117ac0000
[1172611.666717] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.669327] ffffffff80747dc0 ffff810106581028 ffff8101c3c57e54 ffff8101c3c57e48
[1172611.669430] Call Trace:
[1172611.674472] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172611.677029] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.679584] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.682132]
[1172611.684643] bash S 000000000000000e 0 9614 9613
[1172611.687205] ffff8101ebc27e88 0000000000000082 80000001df3f8065 ffff8101a86f6710
[1172611.689809] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.692439] ffffffff80747dc0 ffff810117ac0208 ffff8101ebc27e38 ffff8101786d7a80
[1172611.692542] Call Trace:
[1172611.697656] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172611.700289] [<ffffffff8021ed69>] update_curr+0x109/0x120
[1172611.702917] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172611.705533] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172611.708163] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172611.710787] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172611.713422] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.716078] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172611.718716] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.721349]
[1172611.723928] bash D ffff81017bb82900 0 9632 1
[1172611.726540] ffff8101514abac8 0000000000000046 ffff8101514abc08 ffff810226a79800
[1172611.729205] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.731857] ffffffff80747dc0 ffff810136f4c918 ffff810007139a50 ffff810004cd4a50
[1172611.731960] Call Trace:
[1172611.737092] [<ffffffff80590f9d>] wait_for_completion+0x7d/0xc0
[1172611.739754] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172611.742431] [<ffffffff8023706a>] flush_cpu_workqueue+0x6a/0x90
[1172611.745109] [<ffffffff802371b0>] wq_barrier_func+0x0/0x10
[1172611.747812] [<ffffffff80237183>] flush_workqueue+0x33/0x50
[1172611.750540] [<ffffffff803e633f>] release_dev+0x44f/0x750
[1172611.753296] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172611.756058] [<ffffffff803e6651>] tty_release+0x11/0x20
[1172611.758805] [<ffffffff8026e531>] __fput+0xb1/0x1a0
[1172611.761549] [<ffffffff8026b544>] filp_close+0x54/0x90
[1172611.764295] [<ffffffff80228971>] put_files_struct+0xb1/0xd0
[1172611.767039] [<ffffffff80229d79>] do_exit+0x1a9/0x8a0
[1172611.769781] [<ffffffff80230c85>] __dequeue_signal+0x165/0x1f0
[1172611.772533] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172611.775279] [<ffffffff80232ee7>] get_signal_to_deliver+0x2c7/0x470
[1172611.778032] [<ffffffff8020af65>] do_notify_resume+0xc5/0x7a0
[1172611.780784] [<ffffffff80230992>] send_signal+0x62/0x1f0
[1172611.783537] [<ffffffff80231215>] __group_send_sig_info+0x75/0xa0
[1172611.786308] [<ffffffff80231a2e>] group_send_sig_info+0x6e/0x90
[1172611.789086] [<ffffffff8020b984>] sys_rt_sigreturn+0x324/0x3d0
[1172611.791858] [<ffffffff802322be>] sys_rt_sigaction+0x8e/0xc0
[1172611.794615] [<ffffffff8020bd66>] int_signal+0x12/0x17
[1172611.797334]
[1172611.799993] su ? 0000000000000000 0 9639 9632
[1172611.802704] ffff8101b98afee8 0000000000000046 ffff8101b98afeb0 0000000000000011
[1172611.805431] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.808166] ffffffff80747dc0 ffff8101243a7028 ffff8101b98afeb4 ffff8101b98afea8
[1172611.808269] Call Trace:
[1172611.813600] [<ffffffff8022a18e>] do_exit+0x5be/0x8a0
[1172611.816333] [<ffffffff8022a49c>] do_group_exit+0x2c/0x80
[1172611.819057] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.821794]
[1172611.824519] mdadm D 0000000000000000 0 9783 9614
[1172611.827312] ffff8101aea09a18 0000000000000082 ffff8101aea099e0 ffff8101aea09998
[1172611.830142] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.832994] ffffffff80747dc0 ffff8101a86f6918 ffff8101aea099e4 ffff8101aea099d8
[1172611.833098] Call Trace:
[1172611.838611] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172611.841427] [<ffffffff80247ee0>] sync_page+0x0/0x50
[1172611.844200] [<ffffffff80591348>] io_schedule+0x28/0x40
[1172611.846961] [<ffffffff80247f1b>] sync_page+0x3b/0x50
[1172611.849716] [<ffffffff8059181a>] __wait_on_bit_lock+0x4a/0x80
[1172611.852476] [<ffffffff80247ebf>] __lock_page+0x5f/0x70
[1172611.855220] [<ffffffff8023acf0>] wake_bit_function+0x0/0x30
[1172611.857968] [<ffffffff8024f08a>] pagevec_lookup_tag+0x1a/0x30
[1172611.860699] [<ffffffff8024d991>] write_cache_pages+0x191/0x340
[1172611.863407] [<ffffffff8024d370>] __writepage+0x0/0x30
[1172611.866104] [<ffffffff8024db90>] do_writepages+0x20/0x40
[1172611.868763] [<ffffffff8028c179>] __writeback_single_inode+0x2d9/0x400
[1172611.871430] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172611.874087] [<ffffffff8028c6ca>] sync_sb_inodes+0x21a/0x300
[1172611.876755] [<ffffffff8028c851>] sync_inodes_sb+0xa1/0xc0
[1172611.879405] [<ffffffff8026f08b>] __fsync_super+0xb/0x70
[1172611.882049] [<ffffffff8026f0f9>] fsync_super+0x9/0x20
[1172611.884692] [<ffffffff80291486>] fsync_bdev+0x26/0x60
[1172611.887318] [<ffffffff803929a7>] blkdev_ioctl+0x1c7/0x7a0
[1172611.889939] [<ffffffff802560f1>] handle_mm_fault+0x1a1/0x8a0
[1172611.892573] [<ffffffff804b072a>] md_open+0x6a/0x90
[1172611.895186] [<ffffffff802962e0>] blkdev_open+0x0/0x90
[1172611.897799] [<ffffffff8039c301>] __up_read+0x21/0xb0
[1172611.900374] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172611.902936] [<ffffffff8029631c>] blkdev_open+0x3c/0x90
[1172611.905489] [<ffffffff8029548b>] block_ioctl+0x1b/0x30
[1172611.907994] [<ffffffff8027a28f>] do_ioctl+0x2f/0xa0
[1172611.910470] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172611.912938] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172611.915381] [<ffffffff8059301d>] error_exit+0x0/0x84
[1172611.917816] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.920256]
[1172611.922661] sshd S 0000000000000000 0 9793 7582
[1172611.925122] ffff8101a7fabbf8 0000000000000086 ffff8101a7fabbc0 ffff8101cd1f1600
[1172611.927626] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.930154] ffffffff80747dc0 ffff8101536d0918 ffff8101a7fabbc4 ffff8101a7fabbb8
[1172611.930258] Call Trace:
[1172611.935198] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172611.937753] [<ffffffff8023ae53>] prepare_to_wait+0x23/0x80
[1172611.940308] [<ffffffff80575ac6>] unix_stream_recvmsg+0x386/0x550
[1172611.942871] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.945439] [<ffffffff80277aa0>] link_path_walk+0x80/0xf0
[1172611.947997] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172611.950553] [<ffffffff8026b5f9>] get_unused_fd_flags+0x79/0x120
[1172611.953111] [<ffffffff8026d349>] do_sync_read+0xd9/0x120
[1172611.955662] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172611.958225] [<ffffffff8021e992>] pick_next_task_fair+0x42/0x70
[1172611.960800] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172611.963379] [<ffffffff8026b96a>] do_filp_open+0x3a/0x50
[1172611.965946] [<ffffffff8026dcf7>] vfs_read+0x157/0x160
[1172611.968507] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172611.971029] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172611.973523]
[1172611.975978] sshd S 0000000000000000 0 9795 9793
[1172611.978461] ffff81021f41d9e8 0000000000000082 ffff81021f41d9b0 0000000000000002
[1172611.980981] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172611.983533] ffffffff80747dc0 ffff8101536d1738 ffff81021f41d9b4 ffff81021f41d9a8
[1172611.983636] Call Trace:
[1172611.988598] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172611.991157] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172611.993698] [<ffffffff8027b528>] do_select+0x468/0x560
[1172611.996208] [<ffffffff8027bbc0>] __pollwait+0x0/0x130
[1172611.998705] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.001178] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.003617] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.006034] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.008424] [<ffffffff80267609>] add_partial+0x19/0x60
[1172612.010813] [<ffffffff80268a0d>] __slab_free+0x15d/0x310
[1172612.013194] [<ffffffff80592da9>] _spin_lock_bh+0x9/0x20
[1172612.015567] [<ffffffff80505743>] release_sock+0x13/0xb0
[1172612.017935] [<ffffffff80547700>] tcp_recvmsg+0x370/0x940
[1172612.020296] [<ffffffff80505080>] sock_common_recvmsg+0x30/0x50
[1172612.022667] [<ffffffff80502b9b>] sock_aio_read+0x11b/0x130
[1172612.025029] [<ffffffff8027b829>] core_sys_select+0x209/0x300
[1172612.027401] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172612.029774] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.032143] [<ffffffff8022b51e>] current_fs_time+0x1e/0x30
[1172612.034510] [<ffffffff803e3582>] tty_ldisc_deref+0x52/0x80
[1172612.036880] [<ffffffff8027bdc1>] sys_select+0xd1/0x1c0
[1172612.039245] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.041607]
[1172612.043951] bash S 000000000000000e 0 9796 9795
[1172612.046358] ffff81013de09e88 0000000000000086 8000000104441065 ffff8101125a2710
[1172612.048809] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.051282] ffffffff80747dc0 ffff81014da80208 ffff81013de09e38 ffff8101eab7d5e8
[1172612.051385] Call Trace:
[1172612.056215] [<ffffffff8021cb22>] do_page_fault+0x202/0x890
[1172612.058715] [<ffffffff8021ed69>] update_curr+0x109/0x120
[1172612.061212] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172612.063714] [<ffffffff805907c6>] __sched_text_start+0x166/0x23d
[1172612.066238] [<ffffffff8021f7e3>] __wake_up+0x43/0x70
[1172612.068760] [<ffffffff8027a520>] vfs_ioctl+0x220/0x2c0
[1172612.071291] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.073847] [<ffffffff8027a609>] sys_ioctl+0x49/0x80
[1172612.076399] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.078935]
[1172612.081438] su S 0000000000000000 0 9804 9796
[1172612.083976] ffff810184fdbe88 0000000000000082 ffff810184fdbe50 ffff810120808000
[1172612.086547] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.089126] ffffffff80747dc0 ffff8101125a2918 ffff810184fdbe54 ffff810184fdbe48
[1172612.089229] Call Trace:
[1172612.094170] [<ffffffff80229439>] do_wait+0x599/0xc90
[1172612.096703] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.099244] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.101772]
[1172612.104264] bash S 0000000000000000 0 9805 9804
[1172612.106820] ffff8101e88f7db8 0000000000000082 ffff8101e88f7d80 0000000000000ff9
[1172612.109419] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.112036] ffffffff80747dc0 ffff810120808208 ffff8101e88f7d84 ffff8101e88f7d78
[1172612.112139] Call Trace:
[1172612.117216] [<ffffffff80591755>] schedule_timeout+0x95/0xd0
[1172612.119833] [<ffffffff8023af8c>] add_wait_queue+0x1c/0x60
[1172612.122446] [<ffffffff803e9bf8>] read_chan+0x228/0x6f0
[1172612.125058] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.127700] [<ffffffff803e6710>] tty_read+0xb0/0x100
[1172612.130342] [<ffffffff8026dc65>] vfs_read+0xc5/0x160
[1172612.132958] [<ffffffff8026e113>] sys_read+0x53/0x90
[1172612.135554] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.138121]
[1172612.140634] smtpd S 0000000000000000 0 9847 30580
[1172612.143203] ffff8101a6e25e58 0000000000000086 ffff8101a6e25e20 ffff81022583d318
[1172612.145786] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.148371] ffffffff80747dc0 ffff8101d859a208 ffff8101a6e25e24 ffff8101a6e25e18
[1172612.148474] Call Trace:
[1172612.153514] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172612.156129] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172612.158743] [<ffffffff8029af2d>] sys_epoll_wait+0x1bd/0x4e0
[1172612.161385] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.164066] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.166774]
[1172612.169446] smtpd S ffff81022583d318 0 9963 30580
[1172612.172187] ffff8101c5f69eb8 0000000000000082 0000000000000000 ffffffff00000001
[1172612.174990] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.177819] ffffffff80747dc0 ffff810105b04918 0000000000000000 000000008bcec672
[1172612.177922] Call Trace:
[1172612.183467] [<ffffffff8022b4c9>] ns_to_timeval+0x9/0x40
[1172612.186321] [<ffffffff8027da7d>] flock_lock_file_wait+0x14d/0x300
[1172612.189190] [<ffffffff8023acc0>] autoremove_wake_function+0x0/0x30
[1172612.192057] [<ffffffff8027e7ab>] sys_flock+0x16b/0x180
[1172612.194913] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.197759]
[1172612.200578] cleanup S 0000000000000000 0 9966 30580
[1172612.203466] ffff8101b50b7e58 0000000000000082 ffff8101b50b7e20 ffff8101a496a828
[1172612.206409] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.209358] ffffffff80747dc0 ffff810132074208 ffff8101b50b7e24 ffff8101b50b7e18
[1172612.209460] Call Trace:
[1172612.215203] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172612.218127] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172612.221046] [<ffffffff8029af2d>] sys_epoll_wait+0x1bd/0x4e0
[1172612.223934] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.226813] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.229693]
[1172612.232543] local S 0000000000000000 0 9967 30580
[1172612.235450] ffff8101c7bf9e58 0000000000000086 ffff8101c7bf9e20 0000000000000000
[1172612.238401] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80
[1172612.241380] ffffffff80747dc0 ffff8101b11bd738 ffff8101c7bf9e24 ffff8101c7bf9e18
[1172612.241483] Call Trace:
[1172612.247296] [<ffffffff8059171f>] schedule_timeout+0x5f/0xd0
[1172612.250292] [<ffffffff8022f920>] process_timeout+0x0/0x10
[1172612.253278] [<ffffffff8029af2d>] sys_epoll_wait+0x1bd/0x4e0
[1172612.256265] [<ffffffff8021fed0>] default_wake_function+0x0/0x10
[1172612.259237] [<ffffffff8020bb4e>] system_call+0x7e/0x83
[1172612.262188]