gistfile1.txt

[2938142.956375] INFO: task link:3239126 blocked for more than 120 seconds.
[2938142.963358]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938142.971542] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938142.979964] link            D    0 3239126 3232390 0x000001a0
[2938142.979969] Call Trace:
[2938142.979980]  __schedule+0x3d6/0x8b0
[2938142.979984]  ? __switch_to_asm+0x40/0x70
[2938142.979986]  schedule+0x36/0x80
[2938142.979988]  schedule_timeout+0x1db/0x370
[2938142.979991]  wait_for_completion+0xb4/0x140
[2938142.979995]  ? wake_up_q+0x70/0x70
[2938142.980000]  __synchronize_srcu.part.13+0x85/0xb0
[2938142.980002]  ? trace_raw_output_rcu_utilization+0x50/0x50
[2938142.980005]  synchronize_srcu_expedited+0x27/0x30
[2938142.980007]  ? synchronize_srcu_expedited+0x27/0x30
[2938142.980009]  synchronize_srcu+0xc1/0xe0
[2938142.980054]  btrfs_destroy_inode+0x215/0x2c0 [btrfs]
[2938142.980058]  destroy_inode+0x3e/0x60
[2938142.980060]  evict+0x139/0x1a0
[2938142.980062]  dispose_list+0x39/0x50
[2938142.980064]  prune_icache_sb+0x5a/0x80
[2938142.980067]  super_cache_scan+0x14f/0x1a0
[2938142.980070]  shrink_slab.part.50+0x20b/0x440
[2938142.980073]  shrink_slab+0x29/0x30
[2938142.980075]  shrink_node+0x108/0x310
[2938142.980077]  do_try_to_free_pages+0xee/0x360
[2938142.980079]  try_to_free_pages+0xf1/0x1c0
[2938142.980083]  __alloc_pages_slowpath+0x3c6/0xe90
[2938142.980086]  ? memcg_kmem_charge_memcg+0x76/0x90
[2938142.980089]  __alloc_pages_nodemask+0x265/0x280
[2938142.980092]  alloc_pages_current+0x6a/0xe0
[2938142.980094]  mm_get_huge_zero_page+0x83/0xe0
[2938142.980096]  do_huge_pmd_anonymous_page+0x22b/0x710
[2938142.980098]  ? do_wp_page+0x155/0x560
[2938142.980100]  __handle_mm_fault+0xb1d/0x11e0
[2938142.980103]  ? __switch_to_asm+0x34/0x70
[2938142.980106]  handle_mm_fault+0xcc/0x1c0
[2938142.980109]  __do_page_fault+0x260/0x500
[2938142.980111]  do_page_fault+0x2e/0xf0
[2938142.980113]  ? page_fault+0x2f/0x50
[2938142.980115]  page_fault+0x45/0x50
[2938142.980117] RIP: 0033:0x412858
[2938142.980118] RSP: 002b:000000c00074c8f0 EFLAGS: 00010293
[2938142.980120] RAX: 0000000000000000 RBX: 000000000062e8c0 RCX: 000000000000000e
[2938142.980121] RDX: 0000000000000000 RSI: 000000c0003d2220 RDI: 000000c00007c050
[2938142.980123] RBP: 000000c00074c988 R08: 0000000000003c2a R09: 000000c0000746f0
[2938142.980124] R10: 000000000000000e R11: 000000c0003d2228 R12: 0000000000004000
[2938142.980125] R13: 000000c0003d22a8 R14: 000000000000003e R15: 000000c005bba220
[2938142.980149] INFO: task btrfs:3240316 blocked for more than 120 seconds.
[2938142.987425]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938142.995495] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938143.003887] btrfs           D    0 3240316 723524 0x00000080
[2938143.003892] Call Trace:
[2938143.003901]  __schedule+0x3d6/0x8b0
[2938143.003904]  schedule+0x36/0x80
[2938143.003908]  __wait_on_freeing_inode+0xb0/0xf0
[2938143.003912]  ? bit_waitqueue+0x40/0x40
[2938143.003949]  ? do_async_commit+0x40/0x40 [btrfs]
[2938143.003951]  find_inode+0x9a/0xc0
[2938143.003966]  ? do_async_commit+0x40/0x40 [btrfs]
[2938143.003968]  iget5_locked+0x79/0x250
[2938143.003981]  ? create_io_em+0x140/0x140 [btrfs]
[2938143.003995]  btrfs_iget+0x5f/0x6e0 [btrfs]
[2938143.004009]  ? btrfs_get_fs_root.part.51+0x3d/0x170 [btrfs]
[2938143.004025]  ? btrfs_get_token_16+0x10b/0x130 [btrfs]
[2938143.004039]  btrfs_lookup_dentry+0x343/0x500 [btrfs]
[2938143.004052]  btrfs_lookup+0x12/0x40 [btrfs]
[2938143.004054]  lookup_slow+0xab/0x170
[2938143.004056]  walk_component+0x1c5/0x360
[2938143.004058]  ? path_init+0x1d9/0x310
[2938143.004060]  path_lookupat+0x76/0x230
[2938143.004062]  filename_lookup+0xb8/0x1a0
[2938143.004066]  ? filemap_map_pages+0x3db/0x3f0
[2938143.004069]  ? __check_object_size+0xfc/0x1a0
[2938143.004071]  ? path_get+0x27/0x30
[2938143.004074]  ? __audit_getname+0x9a/0xb0
[2938143.004076]  user_path_at_empty+0x36/0x40
[2938143.004078]  ? user_path_at_empty+0x36/0x40
[2938143.004081]  vfs_statx+0x77/0xe0
[2938143.004083]  SYSC_newstat+0x3d/0x70
[2938143.004085]  ? __audit_syscall_entry+0xac/0x100
[2938143.004088]  ? syscall_trace_enter+0x1d6/0x2f0
[2938143.004091]  SyS_newstat+0xe/0x10
[2938143.004093]  do_syscall_64+0x73/0x130
[2938143.004095]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938143.004098] RIP: 0033:0x505015
[2938143.004099] RSP: 002b:00007fff1272cef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
[2938143.004101] RAX: ffffffffffffffda RBX: 00007fff1272fd98 RCX: 0000000000505015
[2938143.004102] RDX: 00007fff1272cf80 RSI: 00007fff1272cf80 RDI: 00007fff1272fd98
[2938143.004103] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[2938143.004104] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fff1272e278
[2938143.004105] R13: 00007fff1272e270 R14: 0000000000000001 R15: 0000000000000002
[2938263.777511] INFO: task btrfs-transacti:4325 blocked for more than 120 seconds.
[2938263.785172]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.793144] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.801442] btrfs-transacti D    0  4325      2 0x80000080
[2938263.801447] Call Trace:
[2938263.801464]  __schedule+0x3d6/0x8b0
[2938263.801509]  ? btree_set_page_dirty+0xe/0x10 [btrfs]
[2938263.801511]  schedule+0x36/0x80
[2938263.801514]  schedule_timeout+0x1db/0x370
[2938263.801529]  ? __btrfs_run_delayed_refs+0x225/0x11b0 [btrfs]
[2938263.801531]  wait_for_completion+0xb4/0x140
[2938263.801534]  ? wake_up_q+0x70/0x70
[2938263.801543]  __synchronize_srcu.part.13+0x85/0xb0
[2938263.801546]  ? trace_raw_output_rcu_utilization+0x50/0x50
[2938263.801548]  synchronize_srcu+0xd3/0xe0
[2938263.801550]  ? synchronize_srcu+0xd3/0xe0
[2938263.801570]  btrfs_drop_and_free_fs_root+0x8f/0xf0 [btrfs]
[2938263.801586]  switch_commit_roots+0x13c/0x180 [btrfs]
[2938263.801601]  btrfs_commit_transaction+0x510/0x930 [btrfs]
[2938263.801605]  ? wait_woken+0x80/0x80
[2938263.801620]  transaction_kthread+0x1a6/0x1c0 [btrfs]
[2938263.801625]  kthread+0x105/0x140
[2938263.801639]  ? btrfs_cleanup_transaction+0x550/0x550 [btrfs]
[2938263.801641]  ? kthread_destroy_worker+0x50/0x50
[2938263.801644]  ret_from_fork+0x35/0x40
[2938263.801682] INFO: task concourse:723303 blocked for more than 120 seconds.
[2938263.809091]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.816971] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.825189] concourse       D    0 723303 719367 0x00000080
[2938263.825194] Call Trace:
[2938263.825205]  __schedule+0x3d6/0x8b0
[2938263.825234]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2938263.825237]  schedule+0x36/0x80
[2938263.825240]  rwsem_down_read_failed+0x10a/0x170
[2938263.825243]  call_rwsem_down_read_failed+0x18/0x30
[2938263.825246]  ? call_rwsem_down_read_failed+0x18/0x30
[2938263.825248]  down_read+0x20/0x40
[2938263.825251]  lookup_slow+0x60/0x170
[2938263.825253]  ? lookup_fast+0x218/0x300
[2938263.825255]  walk_component+0x1c5/0x360
[2938263.825257]  ? path_init+0x1d9/0x310
[2938263.825260]  path_lookupat+0x76/0x230
[2938263.825263]  ? __audit_inode+0x1b9/0x320
[2938263.825265]  filename_lookup+0xb8/0x1a0
[2938263.825269]  ? __check_object_size+0xfc/0x1a0
[2938263.825271]  ? path_get+0x27/0x30
[2938263.825273]  ? __audit_getname+0x9a/0xb0
[2938263.825275]  user_path_at_empty+0x36/0x40
[2938263.825278]  ? user_path_at_empty+0x36/0x40
[2938263.825281]  vfs_statx+0x77/0xe0
[2938263.825284]  SYSC_newlstat+0x3d/0x70
[2938263.825286]  ? __audit_syscall_entry+0xac/0x100
[2938263.825290]  ? syscall_trace_enter+0x1d6/0x2f0
[2938263.825292]  ? __audit_syscall_exit+0x230/0x2c0
[2938263.825296]  SyS_newlstat+0xe/0x10
[2938263.825298]  do_syscall_64+0x73/0x130
[2938263.825301]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.825303] RIP: 0033:0x47f210
[2938263.825304] RSP: 002b:000000c00c744c68 EFLAGS: 00000216 ORIG_RAX: 0000000000000006
[2938263.825306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f210
[2938263.825308] RDX: 0000000000000000 RSI: 000000c000eaafa8 RDI: 000000c000f1e1e0
[2938263.825309] RBP: 000000c00c744cc8 R08: 0000000000000000 R09: 0000000000000000
[2938263.825310] R10: 0000000000000000 R11: 0000000000000216 R12: ffffffffffffffff
[2938263.825311] R13: 0000000000000007 R14: 0000000000000006 R15: 0000000000000066
[2938263.825320] INFO: task concourse:723335 blocked for more than 120 seconds.
[2938263.832889]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.841325] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.849720] concourse       D    0 723335 719367 0x00000080
[2938263.849725] Call Trace:
[2938263.849736]  __schedule+0x3d6/0x8b0
[2938263.849739]  schedule+0x36/0x80
[2938263.849741]  schedule_preempt_disabled+0xe/0x10
[2938263.849743]  __mutex_lock.isra.2+0x2ae/0x4e0
[2938263.849749]  ? __check_object_size+0xfc/0x1a0
[2938263.849751]  __mutex_lock_slowpath+0x13/0x20
[2938263.849753]  ? __mutex_lock_slowpath+0x13/0x20
[2938263.849755]  mutex_lock+0x2f/0x40
[2938263.849759]  lock_rename+0x2d/0xe0
[2938263.849762]  SyS_renameat+0x19f/0x3f0
[2938263.849767]  do_syscall_64+0x73/0x130
[2938263.849771]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.849774] RIP: 0033:0x47f28a
[2938263.849775] RSP: 002b:000000c003b21c88 EFLAGS: 00000212 ORIG_RAX: 0000000000000108
[2938263.849777] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f28a
[2938263.849779] RDX: ffffffffffffff9c RSI: 000000c0020a4aa0 RDI: ffffffffffffff9c
[2938263.849780] RBP: 000000c003b21d08 R08: 0000000000000000 R09: 0000000000000000
[2938263.849781] R10: 000000c0020a4b40 R11: 0000000000000212 R12: ffffffffffffffff
[2938263.849782] R13: 0000000000000025 R14: 0000000000000024 R15: 0000000000000066
[2938263.849792] INFO: task concourse:723361 blocked for more than 120 seconds.
[2938263.857138]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.865011] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.873511] concourse       D    0 723361 719367 0x00000080
[2938263.873516] Call Trace:
[2938263.873527]  __schedule+0x3d6/0x8b0
[2938263.873563]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2938263.873565]  schedule+0x36/0x80
[2938263.873568]  rwsem_down_read_failed+0x10a/0x170
[2938263.873571]  call_rwsem_down_read_failed+0x18/0x30
[2938263.873573]  ? call_rwsem_down_read_failed+0x18/0x30
[2938263.873575]  down_read+0x20/0x40
[2938263.873579]  lookup_slow+0x60/0x170
[2938263.873581]  ? lookup_fast+0x218/0x300
[2938263.873583]  walk_component+0x1c5/0x360
[2938263.873584]  ? path_init+0x1d9/0x310
[2938263.873586]  path_lookupat+0x76/0x230
[2938263.873591]  ? __audit_inode+0x1b9/0x320
[2938263.873594]  filename_lookup+0xb8/0x1a0
[2938263.873598]  ? __check_object_size+0xfc/0x1a0
[2938263.873602]  ? path_get+0x27/0x30
[2938263.873606]  ? __audit_getname+0x9a/0xb0
[2938263.873610]  user_path_at_empty+0x36/0x40
[2938263.873613]  ? user_path_at_empty+0x36/0x40
[2938263.873617]  vfs_statx+0x77/0xe0
[2938263.873621]  SYSC_newlstat+0x3d/0x70
[2938263.873625]  ? __audit_syscall_entry+0xac/0x100
[2938263.873630]  ? syscall_trace_enter+0x1d6/0x2f0
[2938263.873635]  ? __audit_syscall_exit+0x230/0x2c0
[2938263.873638]  SyS_newlstat+0xe/0x10
[2938263.873641]  do_syscall_64+0x73/0x130
[2938263.873645]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.873648] RIP: 0033:0x47f210
[2938263.873650] RSP: 002b:000000c001d67c68 EFLAGS: 00000216 ORIG_RAX: 0000000000000006
[2938263.873652] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f210
[2938263.873653] RDX: 0000000000000000 RSI: 000000c00062eb98 RDI: 000000c0020a5720
[2938263.873654] RBP: 000000c001d67cc8 R08: 0000000000000000 R09: 0000000000000000
[2938263.873655] R10: 0000000000000000 R11: 0000000000000216 R12: ffffffffffffffff
[2938263.873657] R13: 000000000000004b R14: 000000000000004a R15: 0000000000000066
[2938263.873673] INFO: task concourse:723404 blocked for more than 120 seconds.
[2938263.881138]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.889030] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.897427] concourse       D    0 723404 719367 0x00000080
[2938263.897433] Call Trace:
[2938263.897443]  __schedule+0x3d6/0x8b0
[2938263.897472]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2938263.897475]  schedule+0x36/0x80
[2938263.897479]  rwsem_down_read_failed+0x10a/0x170
[2938263.897482]  call_rwsem_down_read_failed+0x18/0x30
[2938263.897484]  ? call_rwsem_down_read_failed+0x18/0x30
[2938263.897486]  down_read+0x20/0x40
[2938263.897489]  lookup_slow+0x60/0x170
[2938263.897490]  ? lookup_fast+0x218/0x300
[2938263.897492]  walk_component+0x1c5/0x360
[2938263.897494]  ? path_init+0x1d9/0x310
[2938263.897495]  path_lookupat+0x76/0x230
[2938263.897501]  ? __audit_inode+0x1b9/0x320
[2938263.897503]  filename_lookup+0xb8/0x1a0
[2938263.897508]  ? __check_object_size+0xfc/0x1a0
[2938263.897509]  ? path_get+0x27/0x30
[2938263.897511]  ? __audit_getname+0x9a/0xb0
[2938263.897514]  user_path_at_empty+0x36/0x40
[2938263.897515]  ? user_path_at_empty+0x36/0x40
[2938263.897518]  vfs_statx+0x77/0xe0
[2938263.897521]  SYSC_newlstat+0x3d/0x70
[2938263.897523]  ? __audit_syscall_entry+0xac/0x100
[2938263.897527]  ? syscall_trace_enter+0x1d6/0x2f0
[2938263.897536]  ? __audit_syscall_exit+0x230/0x2c0
[2938263.897538]  SyS_newlstat+0xe/0x10
[2938263.897540]  do_syscall_64+0x73/0x130
[2938263.897543]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.897545] RIP: 0033:0x47f210
[2938263.897546] RSP: 002b:000000c00c749c68 EFLAGS: 00000216 ORIG_RAX: 0000000000000006
[2938263.897548] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f210
[2938263.897549] RDX: 0000000000000000 RSI: 000000c00062e9f8 RDI: 000000c0020a5400
[2938263.897550] RBP: 000000c00c749cc8 R08: 0000000000000000 R09: 0000000000000000
[2938263.897551] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000040
[2938263.897552] R13: 0000000000000040 R14: 0000000002404fa5 R15: 0000000000000000
[2938263.897559] INFO: task concourse:723415 blocked for more than 120 seconds.
[2938263.905241]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.913124] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.921475] concourse       D    0 723415 719367 0x00000080
[2938263.921480] Call Trace:
[2938263.921492]  __schedule+0x3d6/0x8b0
[2938263.921497]  ? dev_hard_start_xmit+0xa6/0x210
[2938263.921499]  schedule+0x36/0x80
[2938263.921502]  rwsem_down_read_failed+0x10a/0x170
[2938263.921506]  call_rwsem_down_read_failed+0x18/0x30
[2938263.921508]  ? call_rwsem_down_read_failed+0x18/0x30
[2938263.921510]  down_read+0x20/0x40
[2938263.921515]  lookup_slow+0x60/0x170
[2938263.921516]  ? lookup_fast+0x218/0x300
[2938263.921518]  walk_component+0x1c5/0x360
[2938263.921520]  ? path_init+0x1d9/0x310
[2938263.921522]  path_lookupat+0x76/0x230
[2938263.921532]  ? native_smp_send_reschedule+0x2f/0x50
[2938263.921537]  ? resched_curr+0x6c/0xd0
[2938263.921539]  filename_lookup+0xb8/0x1a0
[2938263.921543]  ? __check_object_size+0xfc/0x1a0
[2938263.921545]  ? path_get+0x27/0x30
[2938263.921550]  ? __audit_getname+0x9a/0xb0
[2938263.921552]  user_path_at_empty+0x36/0x40
[2938263.921554]  ? user_path_at_empty+0x36/0x40
[2938263.921557]  vfs_statx+0x77/0xe0
[2938263.921560]  SYSC_newfstatat+0x35/0x70
[2938263.921562]  ? __audit_syscall_entry+0xac/0x100
[2938263.921567]  ? syscall_trace_enter+0x1d6/0x2f0
[2938263.921570]  SyS_newfstatat+0xe/0x10
[2938263.921572]  do_syscall_64+0x73/0x130
[2938263.921575]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.921578] RIP: 0033:0x47f28a
[2938263.921579] RSP: 002b:000000c0017fb628 EFLAGS: 00000212 ORIG_RAX: 0000000000000106
[2938263.921585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f28a
[2938263.921587] RDX: 000000c004c1c5e8 RSI: 000000c0015d2690 RDI: ffffffffffffff9c
[2938263.921589] RBP: 000000c0017fb6a0 R08: 0000000000000000 R09: 0000000000000000
[2938263.921591] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff
[2938263.921593] R13: 0000000000000016 R14: 0000000000000015 R15: 0000000000000066
[2938263.921614] INFO: task concourse:723479 blocked for more than 120 seconds.
[2938263.928991]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.936890] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.945276] concourse       D    0 723479 719367 0x00000080
[2938263.945280] Call Trace:
[2938263.945292]  __schedule+0x3d6/0x8b0
[2938263.945323]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2938263.945325]  schedule+0x36/0x80
[2938263.945328]  rwsem_down_read_failed+0x10a/0x170
[2938263.945331]  call_rwsem_down_read_failed+0x18/0x30
[2938263.945333]  ? call_rwsem_down_read_failed+0x18/0x30
[2938263.945335]  down_read+0x20/0x40
[2938263.945338]  lookup_slow+0x60/0x170
[2938263.945340]  ? lookup_fast+0x218/0x300
[2938263.945342]  walk_component+0x1c5/0x360
[2938263.945343]  ? path_init+0x1d9/0x310
[2938263.945345]  path_lookupat+0x76/0x230
[2938263.945350]  ? __audit_inode+0x1b9/0x320
[2938263.945352]  filename_lookup+0xb8/0x1a0
[2938263.945356]  ? __check_object_size+0xfc/0x1a0
[2938263.945357]  ? path_get+0x27/0x30
[2938263.945359]  ? __audit_getname+0x9a/0xb0
[2938263.945362]  user_path_at_empty+0x36/0x40
[2938263.945363]  ? user_path_at_empty+0x36/0x40
[2938263.945366]  vfs_statx+0x77/0xe0
[2938263.945368]  SYSC_newlstat+0x3d/0x70
[2938263.945370]  ? __audit_syscall_entry+0xac/0x100
[2938263.945378]  ? syscall_trace_enter+0x1d6/0x2f0
[2938263.945382]  ? __audit_syscall_exit+0x230/0x2c0
[2938263.945386]  SyS_newlstat+0xe/0x10
[2938263.945388]  do_syscall_64+0x73/0x130
[2938263.945397]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.945406] RIP: 0033:0x47f210
[2938263.945407] RSP: 002b:000000c00277bc68 EFLAGS: 00000216 ORIG_RAX: 0000000000000006
[2938263.945409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f210
[2938263.945412] RDX: 0000000000000000 RSI: 000000c00062e858 RDI: 000000c0020a5130
[2938263.945415] RBP: 000000c00277bcc8 R08: 0000000000000000 R09: 0000000000000000
[2938263.945417] R10: 0000000000000000 R11: 0000000000000216 R12: ffffffffffffffff
[2938263.945419] R13: 0000000000000038 R14: 0000000000000037 R15: 0000000000000066
[2938263.945425] INFO: task concourse:723495 blocked for more than 120 seconds.
[2938263.952693]       Tainted: G        W        4.15.0-45-generic #48~16.04.1-Ubuntu
[2938263.960558] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2938263.968980] concourse       D    0 723495 719367 0x00000080
[2938263.968985] Call Trace:
[2938263.968995]  __schedule+0x3d6/0x8b0
[2938263.969035]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2938263.969037]  schedule+0x36/0x80
[2938263.969040]  rwsem_down_read_failed+0x10a/0x170
[2938263.969043]  call_rwsem_down_read_failed+0x18/0x30
[2938263.969045]  ? call_rwsem_down_read_failed+0x18/0x30
[2938263.969048]  down_read+0x20/0x40
[2938263.969051]  lookup_slow+0x60/0x170
[2938263.969053]  ? lookup_fast+0x218/0x300
[2938263.969055]  walk_component+0x1c5/0x360
[2938263.969057]  ? path_init+0x1d9/0x310
[2938263.969059]  path_lookupat+0x76/0x230
[2938263.969062]  ? __audit_inode+0x1b9/0x320
[2938263.969065]  filename_lookup+0xb8/0x1a0
[2938263.969068]  ? _copy_to_user+0x2a/0x40
[2938263.969070]  ? filldir64+0xe3/0x150
[2938263.969073]  ? __check_object_size+0xfc/0x1a0
[2938263.969075]  ? path_get+0x27/0x30
[2938263.969077]  ? __audit_getname+0x9a/0xb0
[2938263.969079]  user_path_at_empty+0x36/0x40
[2938263.969081]  ? user_path_at_empty+0x36/0x40
[2938263.969084]  vfs_statx+0x77/0xe0
[2938263.969086]  SYSC_newlstat+0x3d/0x70
[2938263.969089]  ? __audit_syscall_entry+0xac/0x100
[2938263.969093]  ? syscall_trace_enter+0x1d6/0x2f0
[2938263.969095]  ? __audit_syscall_exit+0x230/0x2c0
[2938263.969098]  SyS_newlstat+0xe/0x10
[2938263.969100]  do_syscall_64+0x73/0x130
[2938263.969103]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2938263.969105] RIP: 0033:0x47f210
[2938263.969106] RSP: 002b:000000c002776c68 EFLAGS: 00000216 ORIG_RAX: 0000000000000006
[2938263.969109] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047f210