kern.log

May 19 14:13:13 localhost kernel: [58920.736889] INFO: task baggageclaim:6446 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.744040]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.750281] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.758267] baggageclaim    D ffff88042390fc28     0  6446      1 0x00000080
May 19 14:13:13 localhost kernel: [58920.758273]  ffff88042390fc28 ffff88042d671c00 ffff880428d80000 ffff880423910000
May 19 14:13:13 localhost kernel: [58920.758277]  ffff8801ade319cc ffff880428d80000 00000000ffffffff ffff8801ade319d0
May 19 14:13:13 localhost kernel: [58920.758279]  ffff88042390fc40 ffffffff81802e55 ffff8801ade319c8 ffff88042390fc50
May 19 14:13:13 localhost kernel: [58920.758282] Call Trace:
May 19 14:13:13 localhost kernel: [58920.758292]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.758295]  [<ffffffff818030ee>] schedule_preempt_disabled+0xe/0x10
May 19 14:13:13 localhost kernel: [58920.758299]  [<ffffffff81804955>] __mutex_lock_slowpath+0x95/0x110
May 19 14:13:13 localhost kernel: [58920.758304]  [<ffffffff8120b916>] ? lookup_fast+0x176/0x2f0
May 19 14:13:13 localhost kernel: [58920.758307]  [<ffffffff818049ef>] mutex_lock+0x1f/0x2f
May 19 14:13:13 localhost kernel: [58920.758310]  [<ffffffff8120d3e8>] walk_component+0x168/0x230
May 19 14:13:13 localhost kernel: [58920.758312]  [<ffffffff8120c665>] ? path_init+0x1e5/0x3e0
May 19 14:13:13 localhost kernel: [58920.758314]  [<ffffffff8120e480>] path_lookupat+0x60/0x110
May 19 14:13:13 localhost kernel: [58920.758316]  [<ffffffff8121030c>] filename_lookup+0x9c/0x150
May 19 14:13:13 localhost kernel: [58920.758319]  [<ffffffff8120a6e7>] ? path_get+0x27/0x30
May 19 14:13:13 localhost kernel: [58920.758324]  [<ffffffff81122203>] ? __audit_getname+0x93/0xa0
May 19 14:13:13 localhost kernel: [58920.758326]  [<ffffffff81210476>] user_path_at_empty+0x36/0x40
May 19 14:13:13 localhost kernel: [58920.758330]  [<ffffffff81205a33>] vfs_fstatat+0x53/0xa0
May 19 14:13:13 localhost kernel: [58920.758333]  [<ffffffff81205f02>] SYSC_newlstat+0x22/0x40
May 19 14:13:13 localhost kernel: [58920.758337]  [<ffffffff81003176>] ? do_audit_syscall_entry+0x66/0x70
May 19 14:13:13 localhost kernel: [58920.758339]  [<ffffffff810037d9>] ? syscall_trace_enter_phase1+0xf9/0x110
May 19 14:13:13 localhost kernel: [58920.758343]  [<ffffffff81079775>] ? syscall_slow_exit_work+0x3f/0xbd
May 19 14:13:13 localhost kernel: [58920.758344]  [<ffffffff8120611e>] SyS_newlstat+0xe/0x10
May 19 14:13:13 localhost kernel: [58920.758347]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.758367] INFO: task baggageclaim:6734 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.765525]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.771862] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.779848] baggageclaim    D ffff880423b87cb8     0  6734      1 0x00000080
May 19 14:13:13 localhost kernel: [58920.779854]  ffff880423b87cb8 ffff88042d670e00 ffff880429973800 ffff880423b88000
May 19 14:13:13 localhost kernel: [58920.779856]  ffff88041e8849f0 ffff88041e884800 ffff88041e8849f0 0000000000000001
May 19 14:13:13 localhost kernel: [58920.779858]  ffff880423b87cd0 ffffffff81802e55 ffff880423cd1950 ffff880423b87d18
May 19 14:13:13 localhost kernel: [58920.779860] Call Trace:
May 19 14:13:13 localhost kernel: [58920.779869]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.779896]  [<ffffffffc02f0f26>] wait_current_trans.isra.24+0xa6/0x110 [btrfs]
May 19 14:13:13 localhost kernel: [58920.779901]  [<ffffffff810bf570>] ? prepare_to_wait_event+0xf0/0xf0
May 19 14:13:13 localhost kernel: [58920.779911]  [<ffffffffc02f2838>] start_transaction+0x318/0x4d0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.779920]  [<ffffffffc02f2a08>] btrfs_start_transaction+0x18/0x20 [btrfs]
May 19 14:13:13 localhost kernel: [58920.779929]  [<ffffffffc02ffea7>] btrfs_rename2+0x157/0x790 [btrfs]
May 19 14:13:13 localhost kernel: [58920.779933]  [<ffffffff8120d600>] ? vfs_rename+0x150/0x860
May 19 14:13:13 localhost kernel: [58920.779934]  [<ffffffff8120d9b6>] vfs_rename+0x506/0x860
May 19 14:13:13 localhost kernel: [58920.779936]  [<ffffffff812124d5>] SyS_renameat+0x355/0x3b0
May 19 14:13:13 localhost kernel: [58920.779938]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.779948] INFO: task btrfs-transacti:6443 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.787327]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.793562] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.801545] btrfs-transacti D ffff8804238ebdb8     0  6443      2 0x00000080
May 19 14:13:13 localhost kernel: [58920.801550]  ffff8804238ebdb8 ffff88042d670e00 ffff88042d146200 ffff8804238ec000
May 19 14:13:13 localhost kernel: [58920.801553]  ffff8804238589f0 ffff880423858800 ffff8804238589f0 0000000000000000
May 19 14:13:13 localhost kernel: [58920.801554]  ffff8804238ebdd0 ffffffff81802e55 ffff880423cd1950 ffff8804238ebe18
May 19 14:13:13 localhost kernel: [58920.801556] Call Trace:
May 19 14:13:13 localhost kernel: [58920.801565]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.801593]  [<ffffffffc02f0f26>] wait_current_trans.isra.24+0xa6/0x110 [btrfs]
May 19 14:13:13 localhost kernel: [58920.801597]  [<ffffffff810bf570>] ? prepare_to_wait_event+0xf0/0xf0
May 19 14:13:13 localhost kernel: [58920.801607]  [<ffffffffc02f276a>] start_transaction+0x24a/0x4d0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.801619]  [<ffffffffc02f2aa7>] btrfs_attach_transaction+0x17/0x20 [btrfs]
May 19 14:13:13 localhost kernel: [58920.801632]  [<ffffffffc02ecf7d>] transaction_kthread+0x16d/0x230 [btrfs]
May 19 14:13:13 localhost kernel: [58920.801642]  [<ffffffffc02ece10>] ? btrfs_cleanup_transaction+0x550/0x550 [btrfs]
May 19 14:13:13 localhost kernel: [58920.801645]  [<ffffffff8109cd19>] kthread+0xc9/0xe0
May 19 14:13:13 localhost kernel: [58920.801647]  [<ffffffff8109cc50>] ? kthread_park+0x60/0x60
May 19 14:13:13 localhost kernel: [58920.801650]  [<ffffffff81806a4f>] ret_from_fork+0x3f/0x70
May 19 14:13:13 localhost kernel: [58920.801651]  [<ffffffff8109cc50>] ? kthread_park+0x60/0x60
May 19 14:13:13 localhost kernel: [58920.801671] INFO: task dockerd:1154155 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.808615]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.814845] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.822814] dockerd         D ffff88012cedbc08     0 1154155 1153555 0x00000080
May 19 14:13:13 localhost kernel: [58920.822825]  ffff88012cedbc08 ffff8800bae1b800 ffff8803bdf28e00 ffff88012cedc000
May 19 14:13:13 localhost kernel: [58920.822827]  ffff880428f40e28 ffff880428f40e20 ffff8803bdf28e00 0000000000000000
May 19 14:13:13 localhost kernel: [58920.822829]  ffff88012cedbc20 ffffffff81802e55 7fffffffffffffff ffff88012cedbcd0
May 19 14:13:13 localhost kernel: [58920.822830] Call Trace:
May 19 14:13:13 localhost kernel: [58920.822840]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.822842]  [<ffffffff81805817>] schedule_timeout+0x237/0x2d0
May 19 14:13:13 localhost kernel: [58920.822847]  [<ffffffff8102c666>] ? __switch_to+0x1d6/0x570
May 19 14:13:13 localhost kernel: [58920.822872]  [<ffffffffc02de5b2>] ? reserve_metadata_bytes+0x62/0x500 [btrfs]
May 19 14:13:13 localhost kernel: [58920.822874]  [<ffffffff81803774>] wait_for_completion+0xa4/0x110
May 19 14:13:13 localhost kernel: [58920.822877]  [<ffffffff810a8c70>] ? wake_up_q+0x80/0x80
May 19 14:13:13 localhost kernel: [58920.822889]  [<ffffffffc035718a>] btrfs_qgroup_wait_for_completion+0x8a/0xa0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.822900]  [<ffffffffc03571fc>] btrfs_quota_disable+0x5c/0x250 [btrfs]
May 19 14:13:13 localhost kernel: [58920.822911]  [<ffffffffc032ac9c>] btrfs_ioctl+0x14bc/0x2410 [btrfs]
May 19 14:13:13 localhost kernel: [58920.822917]  [<ffffffff81213edd>] do_vfs_ioctl+0x2dd/0x4c0
May 19 14:13:13 localhost kernel: [58920.822921]  [<ffffffff81121e4f>] ? __audit_syscall_entry+0xaf/0x100
May 19 14:13:13 localhost kernel: [58920.822924]  [<ffffffff81003176>] ? do_audit_syscall_entry+0x66/0x70
May 19 14:13:13 localhost kernel: [58920.822926]  [<ffffffff81214139>] SyS_ioctl+0x79/0x90
May 19 14:13:13 localhost kernel: [58920.822927]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.822932] INFO: task dockerd:1157101 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.829884]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.836147] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.844394] dockerd         D ffff8800057ffe28     0 1157101 1153555 0x00000080
May 19 14:13:13 localhost kernel: [58920.844400]  ffff8800057ffe28 ffff88042d670e00 ffff88004277aa00 ffff880005800000
May 19 14:13:13 localhost kernel: [58920.844402]  ffff880101de025c ffff88004277aa00 00000000ffffffff ffff880101de0260
May 19 14:13:13 localhost kernel: [58920.844403]  ffff8800057ffe40 ffffffff81802e55 ffff880101de0258 ffff8800057ffe50
May 19 14:13:13 localhost kernel: [58920.844405] Call Trace:
May 19 14:13:13 localhost kernel: [58920.844415]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.844417]  [<ffffffff818030ee>] schedule_preempt_disabled+0xe/0x10
May 19 14:13:13 localhost kernel: [58920.844419]  [<ffffffff81804955>] __mutex_lock_slowpath+0x95/0x110
May 19 14:13:13 localhost kernel: [58920.844421]  [<ffffffff818049ef>] mutex_lock+0x1f/0x2f
May 19 14:13:13 localhost kernel: [58920.844426]  [<ffffffff81210a72>] do_unlinkat+0x112/0x2a0
May 19 14:13:13 localhost kernel: [58920.844428]  [<ffffffff8121154b>] SyS_unlinkat+0x1b/0x30
May 19 14:13:13 localhost kernel: [58920.844430]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.844435] INFO: task dockerd:1154267 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.851484]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.857887] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.865893] dockerd         D ffff880107757d60     0 1154267 1153614 0x00000080
May 19 14:13:13 localhost kernel: [58920.865905]  ffff880107757d60 ffff88042d670e00 ffff8804202e4600 ffff880107758000
May 19 14:13:13 localhost kernel: [58920.865908]  ffff880003f0e1f0 ffff880003f0e000 ffff880003f0e1f0 0000000000000001
May 19 14:13:13 localhost kernel: [58920.865911]  ffff880107757d78 ffffffff81802e55 ffff880423cd1950 ffff880107757dc0
May 19 14:13:13 localhost kernel: [58920.865912] Call Trace:
May 19 14:13:13 localhost kernel: [58920.865924]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.865951]  [<ffffffffc02f0f26>] wait_current_trans.isra.24+0xa6/0x110 [btrfs]
May 19 14:13:13 localhost kernel: [58920.865956]  [<ffffffff810bf570>] ? prepare_to_wait_event+0xf0/0xf0
May 19 14:13:13 localhost kernel: [58920.865966]  [<ffffffffc02f2838>] start_transaction+0x318/0x4d0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.865976]  [<ffffffffc02f2e88>] btrfs_start_transaction_fallback_global_rsv+0x28/0xc0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.865985]  [<ffffffffc02fb855>] btrfs_unlink+0x35/0xb0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.865988]  [<ffffffff8120c3ca>] vfs_unlink+0xda/0x190
May 19 14:13:13 localhost kernel: [58920.865991]  [<ffffffff81377dbb>] ? wrap_apparmor_path_unlink+0x1b/0x20
May 19 14:13:13 localhost kernel: [58920.865993]  [<ffffffff81210bb7>] do_unlinkat+0x257/0x2a0
May 19 14:13:13 localhost kernel: [58920.865995]  [<ffffffff8121154b>] SyS_unlinkat+0x1b/0x30
May 19 14:13:13 localhost kernel: [58920.865997]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.866003] INFO: task docker-containe:1161491 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.873823]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.880145] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.888124] docker-containe D ffff880124ce7d60     0 1161491 1154190 0x00000084
May 19 14:13:13 localhost kernel: [58920.888129]  ffff880124ce7d60 ffff88042d671c00 ffff8802e6c57000 ffff880124ce8000
May 19 14:13:13 localhost kernel: [58920.888132]  ffff88002a0019f0 ffff88002a001800 ffff88002a0019f0 0000000000000001
May 19 14:13:13 localhost kernel: [58920.888134]  ffff880124ce7d78 ffffffff81802e55 ffff880423cd1950 ffff880124ce7dc0
May 19 14:13:13 localhost kernel: [58920.888136] Call Trace:
May 19 14:13:13 localhost kernel: [58920.888147]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.888173]  [<ffffffffc02f0f26>] wait_current_trans.isra.24+0xa6/0x110 [btrfs]
May 19 14:13:13 localhost kernel: [58920.888178]  [<ffffffff810bf570>] ? prepare_to_wait_event+0xf0/0xf0
May 19 14:13:13 localhost kernel: [58920.888188]  [<ffffffffc02f2838>] start_transaction+0x318/0x4d0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.888197]  [<ffffffffc02f2e88>] btrfs_start_transaction_fallback_global_rsv+0x28/0xc0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.888206]  [<ffffffffc02fb855>] btrfs_unlink+0x35/0xb0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.888210]  [<ffffffff8120c3ca>] vfs_unlink+0xda/0x190
May 19 14:13:13 localhost kernel: [58920.888213]  [<ffffffff81377dbb>] ? wrap_apparmor_path_unlink+0x1b/0x20
May 19 14:13:13 localhost kernel: [58920.888215]  [<ffffffff81210bb7>] do_unlinkat+0x257/0x2a0
May 19 14:13:13 localhost kernel: [58920.888217]  [<ffffffff8121154b>] SyS_unlinkat+0x1b/0x30
May 19 14:13:13 localhost kernel: [58920.888218]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.888229] INFO: task kworker/u8:12:1210326 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.895722]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.902078] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.910071] kworker/u8:12   D ffff88019928fc38     0 1210326      2 0x00000080
May 19 14:13:13 localhost kernel: [58920.910113] Workqueue: btrfs-qgroup-rescan btrfs_qgroup_rescan_helper [btrfs]
May 19 14:13:13 localhost kernel: [58920.910121]  ffff88019928fc38 ffff88042d670e00 ffff880339ad4600 ffff880199290000
May 19 14:13:13 localhost kernel: [58920.910123]  ffff88041e8849f0 ffff88041e884800 ffff88041e8849f0 0000000000000001
May 19 14:13:13 localhost kernel: [58920.910126]  ffff88019928fc50 ffffffff81802e55 ffff880423cd1950 ffff88019928fc98
May 19 14:13:13 localhost kernel: [58920.910128] Call Trace:
May 19 14:13:13 localhost kernel: [58920.910138]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.910150]  [<ffffffffc02f0f26>] wait_current_trans.isra.24+0xa6/0x110 [btrfs]
May 19 14:13:13 localhost kernel: [58920.910156]  [<ffffffff810bf570>] ? prepare_to_wait_event+0xf0/0xf0
May 19 14:13:13 localhost kernel: [58920.910166]  [<ffffffffc02f2838>] start_transaction+0x318/0x4d0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.910175]  [<ffffffffc02f2a08>] btrfs_start_transaction+0x18/0x20 [btrfs]
May 19 14:13:13 localhost kernel: [58920.910186]  [<ffffffffc0355fa8>] btrfs_qgroup_rescan_worker+0x78/0x540 [btrfs]
May 19 14:13:13 localhost kernel: [58920.910204]  [<ffffffffc0322300>] normal_work_helper+0xc0/0x2e0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.910217]  [<ffffffffc0322762>] btrfs_qgroup_rescan_helper+0x12/0x20 [btrfs]
May 19 14:13:13 localhost kernel: [58920.910223]  [<ffffffff81096cf0>] process_one_work+0x150/0x3f0
May 19 14:13:13 localhost kernel: [58920.910225]  [<ffffffff8109746a>] worker_thread+0x11a/0x470
May 19 14:13:13 localhost kernel: [58920.910228]  [<ffffffff81097350>] ? rescuer_thread+0x310/0x310
May 19 14:13:13 localhost kernel: [58920.910234]  [<ffffffff8109cd19>] kthread+0xc9/0xe0
May 19 14:13:13 localhost kernel: [58920.910235]  [<ffffffff8109cc50>] ? kthread_park+0x60/0x60
May 19 14:13:13 localhost kernel: [58920.910238]  [<ffffffff81806a4f>] ret_from_fork+0x3f/0x70
May 19 14:13:13 localhost kernel: [58920.910239]  [<ffffffff8109cc50>] ? kthread_park+0x60/0x60
May 19 14:13:13 localhost kernel: [58920.910289] INFO: task btrfs:1277635 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.917046]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.923285] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.931262] btrfs           D ffff88012cec7be0     0 1277635   6588 0x00000080
May 19 14:13:13 localhost kernel: [58920.931273]  ffff88012cec7be0 ffffffff81e13500 ffff880344003800 ffff88012cec8000
May 19 14:13:13 localhost kernel: [58920.931276]  ffff880428f40838 ffff880428f40850 0000000000000006 0000000000000000
May 19 14:13:13 localhost kernel: [58920.931278]  ffff88012cec7bf8 ffffffff81802e55 ffff880344003800 ffff88012cec7c50
May 19 14:13:13 localhost kernel: [58920.931280] Call Trace:
May 19 14:13:13 localhost kernel: [58920.931289]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.931298]  [<ffffffff8180553a>] rwsem_down_read_failed+0xea/0x120
May 19 14:13:13 localhost kernel: [58920.931303]  [<ffffffff813eadf4>] call_rwsem_down_read_failed+0x14/0x30
May 19 14:13:13 localhost kernel: [58920.931329]  [<ffffffffc02c7c16>] ? btrfs_free_path+0x26/0x30 [btrfs]
May 19 14:13:13 localhost kernel: [58920.931332]  [<ffffffff81804bd0>] ? down_read+0x20/0x30
May 19 14:13:13 localhost kernel: [58920.931342]  [<ffffffffc032612e>] btrfs_mksubvol.isra.32+0xfe/0x530 [btrfs]
May 19 14:13:13 localhost kernel: [58920.931347]  [<ffffffff810c600f>] ? percpu_down_read+0x1f/0x50
May 19 14:13:13 localhost kernel: [58920.931355]  [<ffffffffc0326678>] btrfs_ioctl_snap_create_transid+0x118/0x1a0 [btrfs]
May 19 14:13:13 localhost kernel: [58920.931364]  [<ffffffffc0326772>] btrfs_ioctl_snap_create+0x72/0x90 [btrfs]
May 19 14:13:13 localhost kernel: [58920.931373]  [<ffffffffc0329c4d>] btrfs_ioctl+0x46d/0x2410 [btrfs]
May 19 14:13:13 localhost kernel: [58920.931376]  [<ffffffff8106e0a3>] ? pte_alloc_one+0x33/0x40
May 19 14:13:13 localhost kernel: [58920.931380]  [<ffffffff81213edd>] do_vfs_ioctl+0x2dd/0x4c0
May 19 14:13:13 localhost kernel: [58920.931385]  [<ffffffff81121e4f>] ? __audit_syscall_entry+0xaf/0x100
May 19 14:13:13 localhost kernel: [58920.931390]  [<ffffffff81003176>] ? do_audit_syscall_entry+0x66/0x70
May 19 14:13:13 localhost kernel: [58920.931393]  [<ffffffff81214139>] SyS_ioctl+0x79/0x90
May 19 14:13:13 localhost kernel: [58920.931395]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75
May 19 14:13:13 localhost kernel: [58920.931405] INFO: task git:1278939 blocked for more than 120 seconds.
May 19 14:13:13 localhost kernel: [58920.937991]       Not tainted 4.4.0-75-generic #96~14.04.1-Ubuntu
May 19 14:13:13 localhost kernel: [58920.944222] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 19 14:13:13 localhost kernel: [58920.952197] git             D ffff8801079a3dc0     0 1278939 1278934 0x00000180
May 19 14:13:13 localhost kernel: [58920.952213]  ffff8801079a3dc0 ffff88042d670e00 ffff88020c945400 ffff8801079a4000
May 19 14:13:13 localhost kernel: [58920.952216]  ffff880423cd1950 ffff8804230d41b0 ffff880116627000 ffff8801079a3df0
May 19 14:13:13 localhost kernel: [58920.952217]  ffff8801079a3dd8 ffffffff81802e55 ffff8801bcf6e720 ffff8801079a3e40
May 19 14:13:13 localhost kernel: [58920.952221] Call Trace:
May 19 14:13:13 localhost kernel: [58920.952232]  [<ffffffff81802e55>] schedule+0x35/0x80
May 19 14:13:13 localhost kernel: [58920.952270]  [<ffffffffc02f1d91>] btrfs_commit_transaction+0x2f1/0xa80 [btrfs]
May 19 14:13:13 localhost kernel: [58920.952278]  [<ffffffff810bf570>] ? prepare_to_wait_event+0xf0/0xf0
May 19 14:13:13 localhost kernel: [58920.952294]  [<ffffffffc0307afc>] btrfs_sync_file+0x2bc/0x390 [btrfs]
May 19 14:13:13 localhost kernel: [58920.952301]  [<ffffffff812335bd>] vfs_fsync_range+0x3d/0xb0
May 19 14:13:13 localhost kernel: [58920.952307]  [<ffffffff81003176>] ? do_audit_syscall_entry+0x66/0x70
May 19 14:13:13 localhost kernel: [58920.952309]  [<ffffffff8123368d>] do_fsync+0x3d/0x70
May 19 14:13:13 localhost kernel: [58920.952311]  [<ffffffff81233900>] SyS_fsync+0x10/0x20
May 19 14:13:13 localhost kernel: [58920.952313]  [<ffffffff818066b6>] entry_SYSCALL_64_fastpath+0x16/0x75