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ioquatix/gist:3436e16a83ea867a5885

Created September 11, 2014 23:11
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ZFS Hang under memory pressure.
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gistfile1.txt
[233482.058622] INFO: task txg_sync:566 blocked for more than 120 seconds.
[233482.058779] Tainted: P O 3.16.1-1-ARCH #1
[233482.058874] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233482.059008] txg_sync D 0000000000000000 0 566 2 0x00000000
[233482.059018] ffff8800ca38bbb0 0000000000000046 ffff8800cf1cbd20 0000000000014580
[233482.059026] ffff8800ca38bfd8 0000000000014580 ffff8800cf1cbd20 0000000000000046
[233482.059033] ffff8800ca38bb38 ffffffff810a2aff ffffc90024149920 0000000000000000
[233482.059040] Call Trace:
[233482.059055] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[233482.059064] [<ffffffff810a2ce2>] ? default_wake_function+0x12/0x20
[233482.059072] [<ffffffff810b6425>] ? __wake_up_common+0x55/0x90
[233482.059080] [<ffffffff8152cd39>] schedule+0x29/0x70
[233482.059086] [<ffffffff8152d014>] io_schedule+0x94/0xf0
[233482.059114] [<ffffffffa020815c>] cv_wait_common+0xac/0x1b0 [spl]
[233482.059156] [<ffffffffa0312530>] ? zio_taskq_member.isra.4+0x80/0x80 [zfs]
[233482.059164] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233482.059179] [<ffffffffa02082b8>] __cv_wait_io+0x18/0x20 [spl]
[233482.059213] [<ffffffffa03143b3>] zio_wait+0x113/0x1d0 [zfs]
[233482.059254] [<ffffffffa02a1c41>] dsl_pool_sync+0xc1/0x480 [zfs]
[233482.059298] [<ffffffffa02ba53d>] spa_sync+0x42d/0xb10 [zfs]
[233482.059307] [<ffffffff810da768>] ? ktime_get_ts+0x48/0xf0
[233482.059351] [<ffffffffa02cb252>] txg_sync_thread+0x382/0x5f0 [zfs]
[233482.059397] [<ffffffffa02caed0>] ? txg_delay+0xf0/0xf0 [zfs]
[233482.059411] [<ffffffffa02002ca>] thread_generic_wrapper+0x7a/0x90 [spl]
[233482.059424] [<ffffffffa0200250>] ? __thread_exit+0xa0/0xa0 [spl]
[233482.059432] [<ffffffff81091cea>] kthread+0xea/0x100
[233482.059439] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[233482.059447] [<ffffffff81530b3c>] ret_from_fork+0x7c/0xb0
[233482.059454] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[233842.184806] INFO: task txg_sync:566 blocked for more than 120 seconds.
[233842.184962] Tainted: P O 3.16.1-1-ARCH #1
[233842.185057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233842.185191] txg_sync D 0000000000000000 0 566 2 0x00000000
[233842.185201] ffff8800ca38bbb0 0000000000000046 ffff8800cf1cbd20 0000000000014580
[233842.185209] ffff8800ca38bfd8 0000000000014580 ffff8800cf1cbd20 0000000000000046
[233842.185216] ffff8800ca38bb38 ffffffff810a2aff ffffc900178571c0 0000000000000000
[233842.185223] Call Trace:
[233842.185239] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[233842.185248] [<ffffffff810a2ce2>] ? default_wake_function+0x12/0x20
[233842.185256] [<ffffffff810b6425>] ? __wake_up_common+0x55/0x90
[233842.185264] [<ffffffff8152cd39>] schedule+0x29/0x70
[233842.185271] [<ffffffff8152d014>] io_schedule+0x94/0xf0
[233842.185299] [<ffffffffa020815c>] cv_wait_common+0xac/0x1b0 [spl]
[233842.185341] [<ffffffffa0312530>] ? zio_taskq_member.isra.4+0x80/0x80 [zfs]
[233842.185348] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233842.185363] [<ffffffffa02082b8>] __cv_wait_io+0x18/0x20 [spl]
[233842.185397] [<ffffffffa03143b3>] zio_wait+0x113/0x1d0 [zfs]
[233842.185438] [<ffffffffa02a1c41>] dsl_pool_sync+0xc1/0x480 [zfs]
[233842.185482] [<ffffffffa02ba53d>] spa_sync+0x42d/0xb10 [zfs]
[233842.185491] [<ffffffff810da768>] ? ktime_get_ts+0x48/0xf0
[233842.185535] [<ffffffffa02cb252>] txg_sync_thread+0x382/0x5f0 [zfs]
[233842.185581] [<ffffffffa02caed0>] ? txg_delay+0xf0/0xf0 [zfs]
[233842.185596] [<ffffffffa02002ca>] thread_generic_wrapper+0x7a/0x90 [spl]
[233842.185608] [<ffffffffa0200250>] ? __thread_exit+0xa0/0xa0 [spl]
[233842.185616] [<ffffffff81091cea>] kthread+0xea/0x100
[233842.185624] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[233842.185632] [<ffffffff81530b3c>] ret_from_fork+0x7c/0xb0
[233842.185639] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[233842.185650] INFO: task java:1106 blocked for more than 120 seconds.
[233842.185793] Tainted: P O 3.16.1-1-ARCH #1
[233842.185887] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233842.186019] java D 0000000000000000 0 1106 641 0x00000000
[233842.186026] ffff8800b193bb68 0000000000000082 ffff88021e241e90 0000000000014580
[233842.186033] ffff8800b193bfd8 0000000000014580 ffff88021e241e90 0000000000000000
[233842.186040] 0000000000000002 ffff8800b193bab8 ffffffff8152d0ab ffff8800cd453a00
[233842.186046] Call Trace:
[233842.186053] [<ffffffff8152d0ab>] ? preempt_schedule+0x3b/0x60
[233842.186062] [<ffffffff8101f936>] ? ___preempt_schedule+0x56/0xb0
[233842.186071] [<ffffffff8152cd39>] schedule+0x29/0x70
[233842.186084] [<ffffffffa02081d5>] cv_wait_common+0x125/0x1b0 [spl]
[233842.186090] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233842.186103] [<ffffffffa0208275>] __cv_wait+0x15/0x20 [spl]
[233842.186146] [<ffffffffa02cac9b>] txg_wait_open+0x8b/0x110 [zfs]
[233842.186182] [<ffffffffa028d9d1>] dmu_tx_wait+0x2a1/0x2b0 [zfs]
[233842.186217] [<ffffffffa028da6a>] dmu_tx_assign+0x8a/0x450 [zfs]
[233842.186256] [<ffffffffa02ff2ed>] zfs_dirty_inode+0xad/0x2b0 [zfs]
[233842.186269] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[233842.186304] [<ffffffffa030be68>] ? zfs_tstamp_update_setup+0x38/0x1c0 [zfs]
[233842.186342] [<ffffffffa02ff15f>] ? zfs_read+0x3bf/0x4a0 [zfs]
[233842.186355] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[233842.186388] [<ffffffffa031b52e>] zpl_dirty_inode+0xe/0x10 [zfs]
[233842.186396] [<ffffffff811ecfd8>] __mark_inode_dirty+0x38/0x2d0
[233842.186429] [<ffffffffa0319e67>] zpl_release+0x37/0x70 [zfs]
[233842.186438] [<ffffffff811c3bdc>] __fput+0x9c/0x200
[233842.186446] [<ffffffff811c3d8e>] ____fput+0xe/0x10
[233842.186452] [<ffffffff8108ec1f>] task_work_run+0x9f/0xe0
[233842.186461] [<ffffffff81014d65>] do_notify_resume+0x95/0xa0
[233842.186468] [<ffffffff81530e20>] int_signal+0x12/0x17
[233842.186484] INFO: task rsync:2504 blocked for more than 120 seconds.
[233842.186624] Tainted: P O 3.16.1-1-ARCH #1
[233842.186718] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233842.186849] rsync D 0000000000000000 0 2504 2503 0x00000000
[233842.186856] ffff8800a9f2fac0 0000000000000082 ffff88022437d180 0000000000014580
[233842.186862] ffff8800a9f2ffd8 0000000000014580 ffff88022437d180 0000000000000001
[233842.186868] ffff8800a9f2fa30 ffffffff8109c83e 000000002fc94580 ffff8800cf1cb2f0
[233842.186875] Call Trace:
[233842.186883] [<ffffffff8109c83e>] ? ttwu_stat+0x9e/0x110
[233842.186890] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[233842.186896] [<ffffffff8152cd39>] schedule+0x29/0x70
[233842.186910] [<ffffffffa02081d5>] cv_wait_common+0x125/0x1b0 [spl]
[233842.186916] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233842.186929] [<ffffffffa0208275>] __cv_wait+0x15/0x20 [spl]
[233842.186972] [<ffffffffa02cac9b>] txg_wait_open+0x8b/0x110 [zfs]
[233842.187007] [<ffffffffa028d9d1>] dmu_tx_wait+0x2a1/0x2b0 [zfs]
[233842.187041] [<ffffffffa028da6a>] dmu_tx_assign+0x8a/0x450 [zfs]
[233842.187079] [<ffffffffa0305649>] zfs_write+0x3f9/0xc30 [zfs]
[233842.187094] [<ffffffffa01fb6ab>] ? kmem_free_debug+0x4b/0x150 [spl]
[233842.187106] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[233842.187142] [<ffffffffa02ff15f>] ? zfs_read+0x3bf/0x4a0 [zfs]
[233842.187177] [<ffffffffa031a541>] zpl_write_common+0x61/0xb0 [zfs]
[233842.187210] [<ffffffffa031a5f0>] zpl_write+0x60/0x90 [zfs]
[233842.187218] [<ffffffff811c1f87>] vfs_write+0xb7/0x200
[233842.187225] [<ffffffff811c1e9c>] ? vfs_read+0x13c/0x170
[233842.187232] [<ffffffff811c2bf9>] SyS_write+0x59/0xd0
[233842.187240] [<ffffffff81530be9>] system_call_fastpath+0x16/0x1b
[233962.226897] INFO: task txg_sync:566 blocked for more than 120 seconds.
[233962.227057] Tainted: P O 3.16.1-1-ARCH #1
[233962.227152] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233962.227285] txg_sync D 0000000000000000 0 566 2 0x00000000
[233962.227295] ffff8800ca38bbb0 0000000000000046 ffff8800cf1cbd20 0000000000014580
[233962.227303] ffff8800ca38bfd8 0000000000014580 ffff8800cf1cbd20 0000000000000046
[233962.227310] ffff8800ca38bb38 ffffffff810a2aff ffffc900178571c0 0000000000000000
[233962.227317] Call Trace:
[233962.227333] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[233962.227342] [<ffffffff810a2ce2>] ? default_wake_function+0x12/0x20
[233962.227350] [<ffffffff810b6425>] ? __wake_up_common+0x55/0x90
[233962.227359] [<ffffffff8152cd39>] schedule+0x29/0x70
[233962.227365] [<ffffffff8152d014>] io_schedule+0x94/0xf0
[233962.227393] [<ffffffffa020815c>] cv_wait_common+0xac/0x1b0 [spl]
[233962.227435] [<ffffffffa0312530>] ? zio_taskq_member.isra.4+0x80/0x80 [zfs]
[233962.227442] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233962.227457] [<ffffffffa02082b8>] __cv_wait_io+0x18/0x20 [spl]
[233962.227491] [<ffffffffa03143b3>] zio_wait+0x113/0x1d0 [zfs]
[233962.227533] [<ffffffffa02a1c41>] dsl_pool_sync+0xc1/0x480 [zfs]
[233962.227577] [<ffffffffa02ba53d>] spa_sync+0x42d/0xb10 [zfs]
[233962.227586] [<ffffffff810da768>] ? ktime_get_ts+0x48/0xf0
[233962.227630] [<ffffffffa02cb252>] txg_sync_thread+0x382/0x5f0 [zfs]
[233962.227676] [<ffffffffa02caed0>] ? txg_delay+0xf0/0xf0 [zfs]
[233962.227691] [<ffffffffa02002ca>] thread_generic_wrapper+0x7a/0x90 [spl]
[233962.227703] [<ffffffffa0200250>] ? __thread_exit+0xa0/0xa0 [spl]
[233962.227711] [<ffffffff81091cea>] kthread+0xea/0x100
[233962.227719] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[233962.227727] [<ffffffff81530b3c>] ret_from_fork+0x7c/0xb0
[233962.227734] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[233962.227745] INFO: task java:1106 blocked for more than 120 seconds.
[233962.227887] Tainted: P O 3.16.1-1-ARCH #1
[233962.227981] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233962.228122] java D 0000000000000000 0 1106 641 0x00000000
[233962.228130] ffff8800b193bb68 0000000000000082 ffff88021e241e90 0000000000014580
[233962.228137] ffff8800b193bfd8 0000000000014580 ffff88021e241e90 0000000000000000
[233962.228143] 0000000000000002 ffff8800b193bab8 ffffffff8152d0ab ffff8800cd453a00
[233962.228150] Call Trace:
[233962.228157] [<ffffffff8152d0ab>] ? preempt_schedule+0x3b/0x60
[233962.228166] [<ffffffff8101f936>] ? ___preempt_schedule+0x56/0xb0
[233962.228175] [<ffffffff8152cd39>] schedule+0x29/0x70
[233962.228188] [<ffffffffa02081d5>] cv_wait_common+0x125/0x1b0 [spl]
[233962.228195] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233962.228208] [<ffffffffa0208275>] __cv_wait+0x15/0x20 [spl]
[233962.228250] [<ffffffffa02cac9b>] txg_wait_open+0x8b/0x110 [zfs]
[233962.228286] [<ffffffffa028d9d1>] dmu_tx_wait+0x2a1/0x2b0 [zfs]
[233962.228321] [<ffffffffa028da6a>] dmu_tx_assign+0x8a/0x450 [zfs]
[233962.228360] [<ffffffffa02ff2ed>] zfs_dirty_inode+0xad/0x2b0 [zfs]
[233962.228374] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[233962.228408] [<ffffffffa030be68>] ? zfs_tstamp_update_setup+0x38/0x1c0 [zfs]
[233962.228446] [<ffffffffa02ff15f>] ? zfs_read+0x3bf/0x4a0 [zfs]
[233962.228459] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[233962.228492] [<ffffffffa031b52e>] zpl_dirty_inode+0xe/0x10 [zfs]
[233962.228500] [<ffffffff811ecfd8>] __mark_inode_dirty+0x38/0x2d0
[233962.228533] [<ffffffffa0319e67>] zpl_release+0x37/0x70 [zfs]
[233962.228542] [<ffffffff811c3bdc>] __fput+0x9c/0x200
[233962.228550] [<ffffffff811c3d8e>] ____fput+0xe/0x10
[233962.228556] [<ffffffff8108ec1f>] task_work_run+0x9f/0xe0
[233962.228565] [<ffffffff81014d65>] do_notify_resume+0x95/0xa0
[233962.228572] [<ffffffff81530e20>] int_signal+0x12/0x17
[233962.228588] INFO: task rsync:2504 blocked for more than 120 seconds.
[233962.228726] Tainted: P O 3.16.1-1-ARCH #1
[233962.228820] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[233962.228951] rsync D 0000000000000000 0 2504 2503 0x00000000
[233962.228958] ffff8800a9f2fac0 0000000000000082 ffff88022437d180 0000000000014580
[233962.228965] ffff8800a9f2ffd8 0000000000014580 ffff88022437d180 0000000000000001
[233962.228971] ffff8800a9f2fa30 ffffffff8109c83e 000000002fc94580 ffff8800cf1cb2f0
[233962.228977] Call Trace:
[233962.228985] [<ffffffff8109c83e>] ? ttwu_stat+0x9e/0x110
[233962.228992] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[233962.228998] [<ffffffff8152cd39>] schedule+0x29/0x70
[233962.229012] [<ffffffffa02081d5>] cv_wait_common+0x125/0x1b0 [spl]
[233962.229019] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[233962.229032] [<ffffffffa0208275>] __cv_wait+0x15/0x20 [spl]
[233962.229074] [<ffffffffa02cac9b>] txg_wait_open+0x8b/0x110 [zfs]
[233962.229110] [<ffffffffa028d9d1>] dmu_tx_wait+0x2a1/0x2b0 [zfs]
[233962.229144] [<ffffffffa028da6a>] dmu_tx_assign+0x8a/0x450 [zfs]
[233962.229181] [<ffffffffa0305649>] zfs_write+0x3f9/0xc30 [zfs]
[233962.229196] [<ffffffffa01fb6ab>] ? kmem_free_debug+0x4b/0x150 [spl]
[233962.229209] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[233962.229245] [<ffffffffa02ff15f>] ? zfs_read+0x3bf/0x4a0 [zfs]
[233962.229279] [<ffffffffa031a541>] zpl_write_common+0x61/0xb0 [zfs]
[233962.229313] [<ffffffffa031a5f0>] zpl_write+0x60/0x90 [zfs]
[233962.229321] [<ffffffff811c1f87>] vfs_write+0xb7/0x200
[233962.229327] [<ffffffff811c1e9c>] ? vfs_read+0x13c/0x170
[233962.229335] [<ffffffff811c2bf9>] SyS_write+0x59/0xd0
[233962.229342] [<ffffffff81530be9>] system_call_fastpath+0x16/0x1b
[234082.268967] INFO: task txg_sync:566 blocked for more than 120 seconds.
[234082.269128] Tainted: P O 3.16.1-1-ARCH #1
[234082.269223] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[234082.269357] txg_sync D 0000000000000000 0 566 2 0x00000000
[234082.269367] ffff8800ca38bbb0 0000000000000046 ffff8800cf1cbd20 0000000000014580
[234082.269375] ffff8800ca38bfd8 0000000000014580 ffff8800cf1cbd20 0000000000000046
[234082.269382] ffff8800ca38bb38 ffffffff810a2aff ffffc900178571c0 0000000000000000
[234082.269389] Call Trace:
[234082.269405] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[234082.269414] [<ffffffff810a2ce2>] ? default_wake_function+0x12/0x20
[234082.269422] [<ffffffff810b6425>] ? __wake_up_common+0x55/0x90
[234082.269430] [<ffffffff8152cd39>] schedule+0x29/0x70
[234082.269436] [<ffffffff8152d014>] io_schedule+0x94/0xf0
[234082.269465] [<ffffffffa020815c>] cv_wait_common+0xac/0x1b0 [spl]
[234082.269507] [<ffffffffa0312530>] ? zio_taskq_member.isra.4+0x80/0x80 [zfs]
[234082.269514] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[234082.269529] [<ffffffffa02082b8>] __cv_wait_io+0x18/0x20 [spl]
[234082.269563] [<ffffffffa03143b3>] zio_wait+0x113/0x1d0 [zfs]
[234082.269604] [<ffffffffa02a1c41>] dsl_pool_sync+0xc1/0x480 [zfs]
[234082.269648] [<ffffffffa02ba53d>] spa_sync+0x42d/0xb10 [zfs]
[234082.269658] [<ffffffff810da768>] ? ktime_get_ts+0x48/0xf0
[234082.269701] [<ffffffffa02cb252>] txg_sync_thread+0x382/0x5f0 [zfs]
[234082.269747] [<ffffffffa02caed0>] ? txg_delay+0xf0/0xf0 [zfs]
[234082.269762] [<ffffffffa02002ca>] thread_generic_wrapper+0x7a/0x90 [spl]
[234082.269774] [<ffffffffa0200250>] ? __thread_exit+0xa0/0xa0 [spl]
[234082.269782] [<ffffffff81091cea>] kthread+0xea/0x100
[234082.269790] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[234082.269798] [<ffffffff81530b3c>] ret_from_fork+0x7c/0xb0
[234082.269805] [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0
[234082.269816] INFO: task java:1106 blocked for more than 120 seconds.
[234082.269959] Tainted: P O 3.16.1-1-ARCH #1
[234082.270053] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[234082.270185] java D 0000000000000000 0 1106 641 0x00000000
[234082.270192] ffff8800b193bb68 0000000000000082 ffff88021e241e90 0000000000014580
[234082.270199] ffff8800b193bfd8 0000000000014580 ffff88021e241e90 0000000000000000
[234082.270205] 0000000000000002 ffff8800b193bab8 ffffffff8152d0ab ffff8800cd453a00
[234082.270212] Call Trace:
[234082.270219] [<ffffffff8152d0ab>] ? preempt_schedule+0x3b/0x60
[234082.270227] [<ffffffff8101f936>] ? ___preempt_schedule+0x56/0xb0
[234082.270236] [<ffffffff8152cd39>] schedule+0x29/0x70
[234082.270249] [<ffffffffa02081d5>] cv_wait_common+0x125/0x1b0 [spl]
[234082.270255] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[234082.270268] [<ffffffffa0208275>] __cv_wait+0x15/0x20 [spl]
[234082.270310] [<ffffffffa02cac9b>] txg_wait_open+0x8b/0x110 [zfs]
[234082.270347] [<ffffffffa028d9d1>] dmu_tx_wait+0x2a1/0x2b0 [zfs]
[234082.270381] [<ffffffffa028da6a>] dmu_tx_assign+0x8a/0x450 [zfs]
[234082.270420] [<ffffffffa02ff2ed>] zfs_dirty_inode+0xad/0x2b0 [zfs]
[234082.270434] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[234082.270468] [<ffffffffa030be68>] ? zfs_tstamp_update_setup+0x38/0x1c0 [zfs]
[234082.270506] [<ffffffffa02ff15f>] ? zfs_read+0x3bf/0x4a0 [zfs]
[234082.270519] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[234082.270552] [<ffffffffa031b52e>] zpl_dirty_inode+0xe/0x10 [zfs]
[234082.270560] [<ffffffff811ecfd8>] __mark_inode_dirty+0x38/0x2d0
[234082.270593] [<ffffffffa0319e67>] zpl_release+0x37/0x70 [zfs]
[234082.270602] [<ffffffff811c3bdc>] __fput+0x9c/0x200
[234082.270610] [<ffffffff811c3d8e>] ____fput+0xe/0x10
[234082.270616] [<ffffffff8108ec1f>] task_work_run+0x9f/0xe0
[234082.270625] [<ffffffff81014d65>] do_notify_resume+0x95/0xa0
[234082.270632] [<ffffffff81530e20>] int_signal+0x12/0x17
[234082.270648] INFO: task rsync:2504 blocked for more than 120 seconds.
[234082.270789] Tainted: P O 3.16.1-1-ARCH #1
[234082.270883] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[234082.271015] rsync D 0000000000000000 0 2504 2503 0x00000000
[234082.271021] ffff8800a9f2fac0 0000000000000082 ffff88022437d180 0000000000014580
[234082.271028] ffff8800a9f2ffd8 0000000000014580 ffff88022437d180 0000000000000001
[234082.271034] ffff8800a9f2fa30 ffffffff8109c83e 000000002fc94580 ffff8800cf1cb2f0
[234082.271040] Call Trace:
[234082.271049] [<ffffffff8109c83e>] ? ttwu_stat+0x9e/0x110
[234082.271055] [<ffffffff810a2aff>] ? try_to_wake_up+0x1ff/0x380
[234082.271062] [<ffffffff8152cd39>] schedule+0x29/0x70
[234082.271075] [<ffffffffa02081d5>] cv_wait_common+0x125/0x1b0 [spl]
[234082.271082] [<ffffffff810b6b30>] ? __wake_up_sync+0x20/0x20
[234082.271095] [<ffffffffa0208275>] __cv_wait+0x15/0x20 [spl]
[234082.271137] [<ffffffffa02cac9b>] txg_wait_open+0x8b/0x110 [zfs]
[234082.271172] [<ffffffffa028d9d1>] dmu_tx_wait+0x2a1/0x2b0 [zfs]
[234082.271207] [<ffffffffa028da6a>] dmu_tx_assign+0x8a/0x450 [zfs]
[234082.271244] [<ffffffffa0305649>] zfs_write+0x3f9/0xc30 [zfs]
[234082.271259] [<ffffffffa01fb6ab>] ? kmem_free_debug+0x4b/0x150 [spl]
[234082.271271] [<ffffffffa020ac5a>] ? tsd_exit+0x29a/0x2d0 [spl]
[234082.271307] [<ffffffffa02ff15f>] ? zfs_read+0x3bf/0x4a0 [zfs]
[234082.271342] [<ffffffffa031a541>] zpl_write_common+0x61/0xb0 [zfs]
[234082.271375] [<ffffffffa031a5f0>] zpl_write+0x60/0x90 [zfs]
[234082.271383] [<ffffffff811c1f87>] vfs_write+0xb7/0x200
[234082.271390] [<ffffffff811c1e9c>] ? vfs_read+0x13c/0x170
[234082.271397] [<ffffffff811c2bf9>] SyS_write+0x59/0xd0
[234082.271405] [<ffffffff81530be9>] system_call_fastpath+0x16/0x1b
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