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  1. 2824.187810] INFO: task kthreadd:2 blocked for more than 120 seconds. [ 2824.187825] Not tainted 4.9.26v7-aufs #1 [ 2824.187828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  2. 2824.187840] kthreadd D 0 2 0 0x00000000 [ 2824.187876] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.187892] [<8086d604>] (schedule) from [<8086d9e4>] (schedule_preempt_disabled+0x18/0x1c) [ 2824.187909] [<8086d9e4>] (schedule_preempt_disabled) from [<8086f0e8>] (__mutex_lock_slowpath+0xac/0x168) [ 2824.187922] [<8086f0e8>] (__mutex_lock_slowpath) from [<8086f204>] (mutex_lock+0x60/0x64) [
  3. 2824.188106] [<8086f204>] (mutex_lock) from [<7f428540>] (xfs_queue_cowblocks+0xe0c/0x1040 [xfs]) [ 2824.188416] [<7f428540>] (xfs_queue_cowblocks [xfs]) from [<7f42985c>] (xfs_reclaim_inodes_nr+0x40/0x48 [xfs]) [ 2824.188675] [<7f42985c>] (xfs_reclaim_inodes_nr [xfs]) from [<7f43dee0>] (xfs_fs_free_cached_objects+0x20/0x24 [xfs]) [ 2824.188821] [<7f43dee0>] (xfs_fs_free_cached_objects [xfs]) from [<802720d4>] (super_cache_scan+0x18c/0x194) [ 2824.188844] [<802720d4>] (super_cache_scan) from [<8021f034>] (shrink_slab+0x2c4/0x520) [
  4. 2824.188862] [<8021f034>] (shrink_slab) from [<80222848>] (shrink_node+0x138/0x37c) [ 2824.188879] [<80222848>] (shrink_node) from [<80222ba8>] (do_try_to_free_pages+0x11c/0x370) [ 2824.188895] [<80222ba8>] (do_try_to_free_pages) from [<80222f58>] (try_to_free_pages+0x15c/0x468) [ 2824.188914] [<80222f58>] (try_to_free_pages) from [<80213da4>] (__alloc_pages_nodemask+0x580/0xe34) [ 2824.188937] [<80213da4>] (__alloc_pages_nodemask) from [<8011a900>] (copy_process.part.4+0xec/0x1774) [ 2824.188956] [<8011a900>] (copy_process.part.4) from [<8011c118>] (_do_fork+0xc8/0x3f4) [
  5. 2824.188973] [<8011c118>] (_do_fork) from [<8011c4b0>] (kernel_thread+0x3c/0x44) [ 2824.188990] [<8011c4b0>] (kernel_thread) from [<8013d110>] (kthreadd+0x1e0/0x268) [ 2824.189007] [<8013d110>] (kthreadd) from [<80108128>] (ret_from_fork+0x14/0x2c) [ 2824.189044] INFO: task kswapd0:42 blocked for more than 120 seconds. [
  6. 2824.189239] Not tainted 4.9.26v7-aufs #1 [ 2824.189373] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2824.189596] kswapd0 D 0 42 2 0x00000000 [ 2824.189621] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.189636] [<8086d604>] (schedule) from [<8086d9e4>] (schedule_preempt_disabled+0x18/0x1c) [ 2824.189652] [<8086d9e4>] (schedule_preempt_disabled) from [<8086f0e8>] (__mutex_lock_slowpath+0xac/0x168) [ 2824.189667] [<8086f0e8>] (__mutex_lock_slowpath) from [<8086f204>] (mutex_lock+0x60/0x64) [
  7. 2824.189799] [<8086f204>] (mutex_lock) from [<7f428540>] (xfs_queue_cowblocks+0xe0c/0x1040 [xfs]) [ 2824.190053] [<7f428540>] (xfs_queue_cowblocks [xfs]) from [<7f42985c>] (xfs_reclaim_inodes_nr+0x40/0x48 [xfs]) [ 2824.190306] [<7f42985c>] (xfs_reclaim_inodes_nr [xfs]) from [<7f43dee0>] (xfs_fs_free_cached_objects+0x20/0x24 [xfs]) [ 2824.190444] [<7f43dee0>] (xfs_fs_free_cached_objects [xfs]) from [<802720d4>] (super_cache_scan+0x18c/0x194) [ 2824.190461] [<802720d4>] (super_cache_scan) from [<8021f034>] (shrink_slab+0x2c4/0x520) [
  8. 2824.190477] [<8021f034>] (shrink_slab) from [<80222848>] (shrink_node+0x138/0x37c) [ 2824.190492] [<80222848>] (shrink_node) from [<80223970>] (kswapd+0x364/0x7cc) [ 2824.190508] [<80223970>] (kswapd) from [<8013c0b8>] (kthread+0x110/0x128) [ 2824.190526] [<8013c0b8>] (kthread) from [<80108128>] (ret_from_fork+0x14/0x2c) [
  9. 2824.190617] INFO: task dockerd:2018 blocked for more than 120 seconds. [ 2824.190807] Not tainted 4.9.26v7-aufs #1 [
  10. 2824.190938] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2824.191157] dockerd D 0 2018 1 0x00000000 [ 2824.191178] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.191191] [<8086d604>] (schedule) from [<8086d9e4>] (schedule_preempt_disabled+0x18/0x1c) [
  11. 2824.191206] [<8086d9e4>] (schedule_preempt_disabled) from [<8086f0e8>] (__mutex_lock_slowpath+0xac/0x168) [ 2824.191220] [<8086f0e8>] (__mutex_lock_slowpath) from [<8086f204>] (mutex_lock+0x60/0x64) [ 2824.191353] [<8086f204>] (mutex_lock) from [<7f428540>] (xfs_queue_cowblocks+0xe0c/0x1040 [xfs]) [ 2824.191608] [<7f428540>] (xfs_queue_cowblocks [xfs]) from [<7f42985c>] (xfs_reclaim_inodes_nr+0x40/0x48 [xfs]) [ 2824.191864] [<7f42985c>] (xfs_reclaim_inodes_nr [xfs]) from [<7f43dee0>] (xfs_fs_free_cached_objects+0x20/0x24 [xfs]) [ 2824.192001] [<7f43dee0>] (xfs_fs_free_cached_objects [xfs]) from [<802720d4>] (super_cache_scan+0x18c/0x194) [ 2824.192018] [<802720d4>] (super_cache_scan) from [<8021f034>] (shrink_slab+0x2c4/0x520) [
  12. 2824.192035] [<8021f034>] (shrink_slab) from [<80222848>] (shrink_node+0x138/0x37c) [ 2824.192051] [<80222848>] (shrink_node) from [<80222ba8>] (do_try_to_free_pages+0x11c/0x370) [ 2824.192066] [<80222ba8>] (do_try_to_free_pages) from [<80222f58>] (try_to_free_pages+0x15c/0x468) [ 2824.192084] [<80222f58>] (try_to_free_pages) from [<80213da4>] (__alloc_pages_nodemask+0x580/0xe34) [ 2824.192100] [<80213da4>] (__alloc_pages_nodemask) from [<80277358>] (pipe_write+0x248/0x44c) [
  13. 2824.192115] [<80277358>] (pipe_write) from [<8026d800>] (new_sync_write+0xbc/0xf0) [ 2824.192132] [<8026d800>] (new_sync_write) from [<8026d870>] (__vfs_write+0x3c/0x48) [
  14. 2824.192147] [<8026d870>] (__vfs_write) from [<8026e684>] (vfs_write+0xb4/0x1c0) [ 2824.192164] [<8026e684>] (vfs_write) from [<8026f748>] (SyS_write+0x4c/0xa0) [ 2824.192180] [<8026f748>] (SyS_write) from [<801080a0>] (ret_fast_syscall+0x0/0x1c) [
  15. 2824.192191] INFO: task dockerd:2276 blocked for more than 120 seconds. [ 2824.192379] Not tainted 4.9.26v7-aufs #1 [
  16. 2824.192513] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2824.192731] dockerd D 0 2276 1 0x00000000 [ 2824.192752] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.192766] [<8086d604>] (schedule) from [<808707d4>] (schedule_timeout+0x21c/0x370) [
  17. 2824.192782] [<808707d4>] (schedule_timeout) from [<8086cd80>] (io_schedule_timeout+0xc0/0x144) [ 2824.192800] [<8086cd80>] (io_schedule_timeout) from [<80536660>] (bt_get+0x138/0x200) [
  18. 2824.192818] [<80536660>] (bt_get) from [<80536b04>] (blk_mq_get_tag+0x34/0xb8) [ 2824.192836] [<80536b04>] (blk_mq_get_tag) from [<80532434>] (__blk_mq_alloc_request+0x28/0x1c8) [ 2824.192853] [<80532434>] (__blk_mq_alloc_request) from [<805326b8>] (blk_mq_map_request+0xe4/0x194) [ 2824.192871] [<805326b8>] (blk_mq_map_request) from [<805356d0>] (blk_sq_make_request+0x78/0x340) [ 2824.192889] [<805356d0>] (blk_sq_make_request) from [<80528bd8>] (generic_make_request+0xec/0x234) [ 2824.192907] [<80528bd8>] (generic_make_request) from [<80528dc0>] (submit_bio+0xa0/0x194) [
  19. 2824.192924] [<80528dc0>] (submit_bio) from [<802b20e8>] (mpage_bio_submit+0x64/0xcc) [ 2824.192940] [<802b20e8>] (mpage_bio_submit) from [<802b2b2c>] (mpage_readpages+0x14c/0x168) [
  20. 2824.193070] [<802b2b2c>] (mpage_readpages) from [<7f414c34>] (xfs_vm_readpages+0x40/0xb8 [xfs]) [ 2824.193203] [<7f414c34>] (xfs_vm_readpages [xfs]) from [<802192c8>] (__do_page_cache_readahead+0x1bc/0x29c) [ 2824.193220] [<802192c8>] (__do_page_cache_readahead) from [<802194e4>] (ondemand_readahead+0x13c/0x220) [ 2824.193235] [<802194e4>] (ondemand_readahead) from [<80219650>] (page_cache_async_readahead+0x88/0x8c) [ 2824.193251] [<80219650>] (page_cache_async_readahead) from [<8020cd40>] (generic_file_read_iter+0x5ec/0x90c) [ 2824.193386] [<8020cd40>] (generic_file_read_iter) from [<7f422de8>] (xfs_file_mmap+0x33c/0x3d0 [xfs]) [ 2824.193641] [<7f422de8>] (xfs_file_mmap [xfs]) from [<7f422f20>] (xfs_file_read_iter+0xa4/0x11c [xfs]) [ 2824.193776] [<7f422f20>] (xfs_file_read_iter [xfs]) from [<8026d6cc>] (new_sync_read+0xbc/0xec) [ 2824.193791] [<8026d6cc>] (new_sync_read) from [<8026d738>] (__vfs_read+0x3c/0x48) [ 2824.193806] [<8026d738>] (__vfs_read) from [<8026e500>] (vfs_read+0x9c/0x16c) [ 2824.193819] [<8026e500>] (vfs_read) from [<8026f6a8>] (SyS_read+0x4c/0xa0) [
  21. 2824.193834] [<8026f6a8>] (SyS_read) from [<801080a0>] (ret_fast_syscall+0x0/0x1c) [ 2824.193875] INFO: task loop1:1465 blocked for more than 120 seconds. [ 2824.194060] Not tainted
  22. 4.9.26v7-aufs #1 [ 2824.194191] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  23. 2824.194412] loop1 D 0 1465 2 0x00000000 [ 2824.194433] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.194447] [<8086d604>] (schedule) from [<808707d4>] (schedule_timeout+0x21c/0x370) [ 2824.194461] [<808707d4>] (schedule_timeout) from [<8086cd80>] (io_schedule_timeout+0xc0/0x144) [ 2824.194594] [<8086cd80>] (io_schedule_timeout) from [<7f43250c>] (xfs_vn_symlink+0xe04/0x14e0 [xfs]) [ 2824.194851] [<7f43250c>] (xfs_vn_symlink [xfs]) from [<7f4359ac>] (xfs_iunpin_wait+0x24/0x28 [xfs]) [ 2824.195106] [<7f4359ac>] (xfs_iunpin_wait [xfs]) from [<7f427fbc>] (xfs_queue_cowblocks+0x888/0x1040 [xfs]) [ 2824.195360] [<7f427fbc>] (xfs_queue_cowblocks [xfs]) from [<7f4284bc>] (xfs_queue_cowblocks+0xd88/0x1040 [xfs]) [ 2824.195613] [<7f4284bc>] (xfs_queue_cowblocks [xfs]) from [<7f42985c>] (xfs_reclaim_inodes_nr+0x40/0x48 [xfs]) [ 2824.195869] [<7f42985c>] (xfs_reclaim_inodes_nr [xfs]) from [<7f43dee0>] (xfs_fs_free_cached_objects+0x20/0x24 [xfs]) [ 2824.196009] [<7f43dee0>] (xfs_fs_free_cached_objects [xfs]) from [<802720d4>] (super_cache_scan+0x18c/0x194) [ 2824.196027] [<802720d4>] (super_cache_scan) from [<8021f034>] (shrink_slab+0x2c4/0x520) [
  24. 2824.196042] [<8021f034>] (shrink_slab) from [<80222848>] (shrink_node+0x138/0x37c) [ 2824.196058] [<80222848>] (shrink_node) from [<80222ba8>] (do_try_to_free_pages+0x11c/0x370) [ 2824.196074] [<80222ba8>] (do_try_to_free_pages) from [<80222f58>] (try_to_free_pages+0x15c/0x468) [ 2824.196091] [<80222f58>] (try_to_free_pages) from [<80213da4>] (__alloc_pages_nodemask+0x580/0xe34) [ 2824.196108] [<80213da4>] (__alloc_pages_nodemask) from [<8020a1e0>] (pagecache_get_page+0xa8/0x2d4) [ 2824.196123] [<8020a1e0>] (pagecache_get_page) from [<8020b308>] (grab_cache_page_write_begin+0x28/0x3c) [ 2824.196141] [<8020b308>] (grab_cache_page_write_begin) from [<80306e44>] (ext4_da_write_begin+0xa0/0x410) [ 2824.196158] [<80306e44>] (ext4_da_write_begin) from [<8020b4a4>] (generic_perform_write+0xcc/0x1bc) [ 2824.196173] [<8020b4a4>] (generic_perform_write) from [<8020c360>] (__generic_file_write_iter+0x198/0x1f4) [ 2824.196194] [<8020c360>] (__generic_file_write_iter) from [<802fb678>] (ext4_file_write_iter+0x17c/0x3d4) [ 2824.196214] [<802fb678>] (ext4_file_write_iter) from [<804e87c4>] (aufs_write_iter+0x80/0x114) [ 2824.196230] [<804e87c4>] (aufs_write_iter) from [<8026d500>] (vfs_iter_write+0xa4/0xf8) [ 2824.196248] [<8026d500>] (vfs_iter_write) from [<80654904>] (lo_write_bvec+0x64/0x100) [
  25. 2824.196264] [<80654904>] (lo_write_bvec) from [<8065536c>] (loop_queue_work+0x748/0xa24) [ 2824.196281] [<8065536c>] (loop_queue_work) from [<8013c1d4>] (kthread_worker_fn+0xc0/0x1ec) [
  26. 2824.196296] [<8013c1d4>] (kthread_worker_fn) from [<8013c0b8>] (kthread+0x110/0x128) [ 2824.196311] [<8013c0b8>] (kthread) from [<80108128>] (ret_from_fork+0x14/0x2c) [ 2824.196329] INFO: task miniserv.pl:1629 blocked for more than 120 seconds. [ 2824.196529] Not tainted 4.9.26v7-aufs #1 [ 2824.196661] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  27. 2824.196879] miniserv.pl D 0 1629 1 0x00000000 [ 2824.196900] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.196914] [<8086d604>] (schedule) from [<8086d9e4>] (schedule_preempt_disabled+0x18/0x1c) [ 2824.196929] [<8086d9e4>] (schedule_preempt_disabled) from [<8086f0e8>] (__mutex_lock_slowpath+0xac/0x168) [ 2824.196943] [<8086f0e8>] (__mutex_lock_slowpath) from [<8086f204>] (mutex_lock+0x60/0x64) [
  28. 2824.197075] [<8086f204>] (mutex_lock) from [<7f428540>] (xfs_queue_cowblocks+0xe0c/0x1040 [xfs]) [ 2824.197329] [<7f428540>] (xfs_queue_cowblocks [xfs]) from [<7f42985c>] (xfs_reclaim_inodes_nr+0x40/0x48 [xfs]) [ 2824.197584] [<7f42985c>] (xfs_reclaim_inodes_nr [xfs]) from [<7f43dee0>] (xfs_fs_free_cached_objects+0x20/0x24 [xfs]) [ 2824.197722] [<7f43dee0>] (xfs_fs_free_cached_objects [xfs]) from [<802720d4>] (super_cache_scan+0x18c/0x194) [ 2824.197835] [<802720d4>] (super_cache_scan) from [<8021f034>] (shrink_slab+0x2c4/0x520) [
  29. 2824.197872] [<8021f034>] (shrink_slab) from [<80222848>] (shrink_node+0x138/0x37c) [ 2824.197899] [<80222848>] (shrink_node) from [<80222ba8>] (do_try_to_free_pages+0x11c/0x370) [ 2824.197922] [<80222ba8>] (do_try_to_free_pages) from [<80222f58>] (try_to_free_pages+0x15c/0x468) [ 2824.197947] [<80222f58>] (try_to_free_pages) from [<80213da4>] (__alloc_pages_nodemask+0x580/0xe34) [ 2824.197972] [<80213da4>] (__alloc_pages_nodemask) from [<8011a900>] (copy_process.part.4+0xec/0x1774) [ 2824.197996] [<8011a900>] (copy_process.part.4) from [<8011c118>] (_do_fork+0xc8/0x3f4) [
  30. 2824.198019] [<8011c118>] (_do_fork) from [<8011c564>] (SyS_clone+0x34/0x3c) [ 2824.198042] [<8011c564>] (SyS_clone) from [<801080a0>] (ret_fast_syscall+0x0/0x1c) [ 2824.198089] INFO: task kworker/0:0H:7626 blocked for more than 120 seconds. [ 2824.198308] Not tainted 4.9.26v7-aufs #1 [ 2824.198448] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  31. 2824.198677] kworker/0:0H D 0 7626 2 0x00000000 [ 2824.198820] Workqueue: xfs-log/dm-2 xfs_log_worker [xfs] [ 2824.198842] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.198861] [<8086d604>] (schedule) from [<808707d4>] (schedule_timeout+0x21c/0x370) [ 2824.198876] [<808707d4>] (schedule_timeout) from [<8086e16c>] (wait_for_common+0xe0/0x180) [ 2824.198890] [<8086e16c>] (wait_for_common) from [<8086e22c>] (wait_for_completion+0x20/0x24) [
  32. 2824.198907] [<8086e22c>] (wait_for_completion) from [<80134980>] (flush_work+0x110/0x174) [ 2824.199046] [<80134980>] (flush_work) from [<7f449b18>] (xlog_cil_force_lsn+0x74/0x250 [xfs]) [ 2824.199306] [<7f449b18>] (xlog_cil_force_lsn [xfs]) from [<7f44774c>] (_xfs_log_force+0x90/0x310 [xfs]) [ 2824.199579] [<7f44774c>] (_xfs_log_force [xfs]) from [<7f447a04>] (xfs_log_force+0x38/0xbc [xfs]) [ 2824.199849] [<7f447a04>] (xfs_log_force [xfs]) from [<7f447ac4>] (xfs_log_worker+0x3c/0x104 [xfs]) [ 2824.200006] [<7f447ac4>] (xfs_log_worker [xfs]) from [<80135f20>] (process_one_work+0x150/0x454) [ 2824.200031] [<80135f20>] (process_one_work) from [<80136284>] (worker_thread+0x60/0x55c) [
  33. 2824.200064] [<80136284>] (worker_thread) from [<8013c0b8>] (kthread+0x110/0x128) [ 2824.200085] [<8013c0b8>] (kthread) from [<80108128>] (ret_from_fork+0x14/0x2c) [ 2824.200112] INFO: task kworker/0:2:12115 blocked for more than 120 seconds. [ 2824.200325] Not tainted 4.9.26v7-aufs #1 [ 2824.200469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  34. 2824.200693] kworker/0:2 D 0 12115 2 0x00000000 [ 2824.200830] Workqueue: xfs-cil/dm-2 xlog_cil_push_work [xfs] [ 2824.200852] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.200993] [<8086d604>] (schedule) from [<7f446b00>] (xfs_log_release_iclog+0x164/0x3a0 [xfs]) [ 2824.201250] [<7f446b00>] (xfs_log_release_iclog [xfs]) from [<7f447078>] (xlog_write+0x1dc/0x820 [xfs]) [ 2824.201514] [<7f447078>] (xlog_write [xfs]) from [<7f4491e8>] (xlog_cil_committed+0x3d0/0x5e8 [xfs]) [
  35. 2824.201788] [<7f4491e8>] (xlog_cil_committed [xfs]) from [<7f44941c>] (xlog_cil_push_work+0x1c/0x20 [xfs]) [ 2824.201936] [<7f44941c>] (xlog_cil_push_work [xfs]) from [<80135f20>] (process_one_work+0x150/0x454) [ 2824.201959] [<80135f20>] (process_one_work) from [<80136468>] (worker_thread+0x244/0x55c) [
  36. 2824.201975] [<80136468>] (worker_thread) from [<8013c0b8>] (kthread+0x110/0x128) [ 2824.201989] [<8013c0b8>] (kthread) from [<80108128>] (ret_from_fork+0x14/0x2c) [ 2824.202000] INFO: task kworker/u8:1:12214 blocked for more than 120 seconds. [ 2824.202214] Not tainted 4.9.26v7-aufs #1 [ 2824.202350] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  37. 2824.202573] kworker/u8:1 D 0 12214 2 0x00000000 [ 2824.202608] Workqueue: dm-thin do_worker [dm_thin_pool] [ 2824.202628] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2824.202643] [<8086d604>] (schedule) from [<808707d4>] (schedule_timeout+0x21c/0x370) [ 2824.202659] [<808707d4>] (schedule_timeout) from [<8086cd80>] (io_schedule_timeout+0xc0/0x144) [ 2824.202677] [<8086cd80>] (io_schedule_timeout) from [<80536660>] (bt_get+0x138/0x200) [
  38. 2824.202696] [<80536660>] (bt_get) from [<80536b04>] (blk_mq_get_tag+0x34/0xb8) [ 2824.202713] [<80536b04>] (blk_mq_get_tag) from [<80532434>] (__blk_mq_alloc_request+0x28/0x1c8) [ 2824.202735] [<80532434>] (__blk_mq_alloc_request) from [<805326b8>] (blk_mq_map_request+0xe4/0x194) [ 2824.202751] [<805326b8>] (blk_mq_map_request) from [<805356d0>] (blk_sq_make_request+0x78/0x340) [ 2824.202771] [<805356d0>] (blk_sq_make_request) from [<80528bd8>] (generic_make_request+0xec/0x234) [ 2824.202800] [<80528bd8>] (generic_make_request) from [<7f30ef30>] (passdown_endio+0x54/0x170 [dm_thin_pool]) [ 2824.202852] [<7f30ef30>] (passdown_endio [dm_thin_pool]) from [<7f3136c0>] (process_prepared_mapping+0x10c/0x1d8 [dm_thin_pool]) [ 2824.202889] [<7f3136c0>] (process_prepared_mapping [dm_thin_pool]) from [<7f313cbc>] (process_prepared_discard_passdown_pt1+0x4a8/0x5a8 [dm_thin_pool]) [ 2824.202930] [<7f313cbc>] (process_prepared_discard_passdown_pt1 [dm_thin_pool]) from [<7f314318>] (process_cell+0x55c/0x5e4 [dm_thin_pool]) [ 2824.202966] [<7f314318>] (process_cell [dm_thin_pool]) from [<7f312d54>] (do_worker+0x218/0xa34 [dm_thin_pool]) [ 2824.202992] [<7f312d54>] (do_worker [dm_thin_pool]) from [<80135f20>] (process_one_work+0x150/0x454) [ 2824.203011] [<80135f20>] (process_one_work) from [<80136284>] (worker_thread+0x60/0x55c) [
  39. 2824.203027] [<80136284>] (worker_thread) from [<8013c0b8>] (kthread+0x110/0x128) [ 2824.203042] [<8013c0b8>] (kthread) from [<80108128>] (ret_from_fork+0x14/0x2c) [ 2947.068524] INFO: task kthreadd:2 blocked for more than 120 seconds. [ 2947.068728] Not tainted 4.9.26v7-aufs #1 [ 2947.068861] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
  40. 2947.069083] kthreadd D 0 2 0 0x00000000 [ 2947.069126] [<8086d0b8>] (__schedule) from [<8086d604>] (schedule+0x50/0xa8) [ 2947.069141] [<8086d604>] (schedule) from [<8086d9e4>] (schedule_preempt_disabled+0x18/0x1c) [ 2947.069158] [<8086d9e4>] (schedule_preempt_disabled) from [<8086f0e8>] (__mutex_lock_slowpath+0xac/0x168) [ 2947.069173] [<8086f0e8>] (__mutex_lock_slowpath) from [<8086f204>] (mutex_lock+0x60/0x64) [
  41. 2947.069354] [<8086f204>] (mutex_lock) from [<7f428540>] (xfs_queue_cowblocks+0xe0c/0x1040 [xfs]) [ 2947.069627] [<7f428540>] (xfs_queue_cowblocks [xfs]) from [<7f42985c>] (xfs_reclaim_inodes_nr+0x40/0x48 [xfs]) [ 2947.069883] [<7f42985c>] (xfs_reclaim_inodes_nr [xfs]) from [<7f43dee0>] (xfs_fs_free_cached_objects+0x20/0x24 [xfs]) [ 2947.070030] [<7f43dee0>] (xfs_fs_free_cached_objects [xfs]) from [<802720d4>] (super_cache_scan+0x18c/0x194) [ 2947.070052] [<802720d4>] (super_cache_scan) from [<8021f034>] (shrink_slab+0x2c4/0x520) [
  42. 2947.070070] [<8021f034>] (shrink_slab) from [<80222848>] (shrink_node+0x138/0x37c) [ 2947.070087] [<80222848>] (shrink_node) from [<80222ba8>] (do_try_to_free_pages+0x11c/0x370) [ 2947.070103] [<80222ba8>] (do_try_to_free_pages) from [<80222f58>] (try_to_free_pages+0x15c/0x468) [ 2947.070121] [<80222f58>] (try_to_free_pages) from [<80213da4>] (__alloc_pages_nodemask+0x580/0xe34) [ 2947.070143] [<80213da4>] (__alloc_pages_nodemask) from [<8011a900>] (copy_process.part.4+0xec/0x1774) [ 2947.070162] [<8011a900>] (copy_process.part.4) from [<8011c118>] (_do_fork+0xc8/0x3f4) [
  43. 2947.070179] [<8011c118>] (_do_fork) from [<8011c4b0>] (kernel_thread+0x3c/0x44) [ 2947.070196] [<8011c4b0>] (kernel_thread) from [<8013d110>] (kthreadd+0x1e0/0x268) [ 2947.070213] [<8013d110>] (kthreadd) from [<80108128>] (ret_from_fork+0x14/0x2c)
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