btrfs dmesg calltrace

[2195605.419924] wbrdg-0afe0044: port 1(wsgj51bidtp3-0) entered blocking state
[2195605.419927] wbrdg-0afe0044: port 1(wsgj51bidtp3-0) entered forwarding state
[2195605.421406] wbrdg-0afe0044: port 1(wsgj51bidtp3-0) entered disabled state
[2195608.972838] wbrdg-0afe0044: port 1(wsgj51bidtp3-0) entered blocking state
[2195608.972842] wbrdg-0afe0044: port 1(wsgj51bidtp3-0) entered forwarding state
[2195609.478141] wbrdg-0afe011c: port 1(wsgj51bidtjq-0) entered disabled state
[2195609.494125] device wsgj51bidtjq-0 left promiscuous mode
[2195609.494148] wbrdg-0afe011c: port 1(wsgj51bidtjq-0) entered disabled state
[2195637.396542] wbrdg-0afe00e4: port 1(wsgj51bidtjk-0) entered disabled state
[2195637.400387] device wsgj51bidtjk-0 left promiscuous mode
[2195637.400404] wbrdg-0afe00e4: port 1(wsgj51bidtjk-0) entered disabled state
[2195806.753283] INFO: task monit:4840 blocked for more than 120 seconds.
[2195806.760257]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.766872] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.775287] monit           D    0  4840   1396 0x00000080
[2195806.775292] Call Trace:
[2195806.775302]  __schedule+0x3d6/0x8b0
[2195806.775305]  schedule+0x36/0x80
[2195806.775308]  rwsem_down_read_failed+0x10a/0x170
[2195806.775314]  ? __alloc_pages_nodemask+0xfb/0x280
[2195806.775317]  call_rwsem_down_read_failed+0x18/0x30
[2195806.775319]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.775321]  down_read+0x20/0x40
[2195806.775327]  proc_pid_cmdline_read+0xc2/0x4f0
[2195806.775332]  __vfs_read+0x1b/0x40
[2195806.775334]  ? environ_read+0x1f0/0x1f0
[2195806.775335]  ? __vfs_read+0x1b/0x40
[2195806.775336]  vfs_read+0x93/0x130
[2195806.775338]  SyS_read+0x55/0xc0
[2195806.775343]  do_syscall_64+0x73/0x130
[2195806.775347]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.775349] RIP: 0033:0x7f9c9575b51d
[2195806.775350] RSP: 002b:00007ffc583d4a60 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
[2195806.775352] RAX: ffffffffffffffda RBX: 0000000000000400 RCX: 00007f9c9575b51d
[2195806.775353] RDX: 00000000000003ff RSI: 00007ffc583d4d60 RDI: 0000000000000004
[2195806.775354] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000015
[2195806.775355] R10: 0000000000000007 R11: 0000000000000293 R12: 00007ffc583d4d60
[2195806.775356] R13: 00007ffc583d4a70 R14: 00007ffc583d4bd0 R15: 00007ffc583d4d6e
[2195806.775367] INFO: task baggageclaim:4912 blocked for more than 120 seconds.
[2195806.782844]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.789427] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.797665] baggageclaim    D    0  4912      1 0x00000080
[2195806.797668] Call Trace:
[2195806.797674]  __schedule+0x3d6/0x8b0
[2195806.797703]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.797705]  schedule+0x36/0x80
[2195806.797708]  rwsem_down_read_failed+0x10a/0x170
[2195806.797711]  call_rwsem_down_read_failed+0x18/0x30
[2195806.797713]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.797715]  down_read+0x20/0x40
[2195806.797718]  lookup_slow+0x60/0x170
[2195806.797719]  ? lookup_fast+0x218/0x300
[2195806.797721]  walk_component+0x1c5/0x360
[2195806.797723]  ? path_init+0x1d9/0x310
[2195806.797725]  path_lookupat+0x76/0x230
[2195806.797729]  ? __audit_inode+0x1b9/0x320
[2195806.797731]  filename_lookup+0xb8/0x1a0
[2195806.797734]  ? __check_object_size+0xfc/0x1a0
[2195806.797736]  ? path_get+0x27/0x30
[2195806.797738]  ? __audit_getname+0x9a/0xb0
[2195806.797741]  user_path_at_empty+0x36/0x40
[2195806.797742]  ? user_path_at_empty+0x36/0x40
[2195806.797745]  vfs_statx+0x77/0xe0
[2195806.797747]  SYSC_newlstat+0x3d/0x70
[2195806.797751]  ? __audit_syscall_entry+0xac/0x100
[2195806.797760]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.797768]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.797775]  SyS_newlstat+0xe/0x10
[2195806.797782]  do_syscall_64+0x73/0x130
[2195806.797786]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.797789] RIP: 0033:0x47c720
[2195806.797795] RSP: 002b:000000c0001fac80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.797801] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.797802] RDX: 0000000000000000 RSI: 000000c00043ced8 RDI: 000000c000545090
[2195806.797803] RBP: 000000c0001face0 R08: 0000000000000000 R09: 0000000000000000
[2195806.797804] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.797806] R13: 0000000000000036 R14: 0000000000000035 R15: 0000000000000066
[2195806.797810] INFO: task baggageclaim:5661 blocked for more than 120 seconds.
[2195806.805194]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.811954] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.820219] baggageclaim    D    0  5661      1 0x00000080
[2195806.820222] Call Trace:
[2195806.820236]  __schedule+0x3d6/0x8b0
[2195806.820238]  schedule+0x36/0x80
[2195806.820273]  wait_current_trans+0xc8/0x100 [btrfs]
[2195806.820278]  ? wait_woken+0x80/0x80
[2195806.820293]  start_transaction+0x2b0/0x440 [btrfs]
[2195806.820308]  btrfs_start_transaction+0x1e/0x20 [btrfs]
[2195806.820323]  btrfs_mkdir+0x65/0x200 [btrfs]
[2195806.820327]  vfs_mkdir+0x112/0x1b0
[2195806.820330]  SyS_mkdirat+0xcf/0x100
[2195806.820334]  do_syscall_64+0x73/0x130
[2195806.820337]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.820338] RIP: 0033:0x47c720
[2195806.820339] RSP: 002b:000000c0004c9840 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
[2195806.820341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.820342] RDX: 00000000000001ed RSI: 000000c000542a00 RDI: ffffffffffffff9c
[2195806.820343] RBP: 000000c0004c9898 R08: 0000000000000000 R09: 0000000000000000
[2195806.820344] R10: 0000000000000000 R11: 0000000000000202 R12: ffffffffffffffff
[2195806.820345] R13: 0000000000000021 R14: 0000000000000020 R15: 0000000000000066
[2195806.820350] INFO: task baggageclaim:11083 blocked for more than 120 seconds.
[2195806.827907]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.834672] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.842920] baggageclaim    D    0 11083      1 0x00000080
[2195806.842924] Call Trace:
[2195806.842931]  __schedule+0x3d6/0x8b0
[2195806.842956]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.842959]  schedule+0x36/0x80
[2195806.842961]  rwsem_down_read_failed+0x10a/0x170
[2195806.842964]  call_rwsem_down_read_failed+0x18/0x30
[2195806.842966]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.842970]  down_read+0x20/0x40
[2195806.842975]  lookup_slow+0x60/0x170
[2195806.842977]  ? lookup_fast+0x218/0x300
[2195806.842979]  walk_component+0x1c5/0x360
[2195806.842980]  ? path_init+0x1d9/0x310
[2195806.842984]  path_lookupat+0x76/0x230
[2195806.842988]  ? __audit_inode+0x1b9/0x320
[2195806.842990]  filename_lookup+0xb8/0x1a0
[2195806.842997]  ? __check_object_size+0xfc/0x1a0
[2195806.843000]  ? path_get+0x27/0x30
[2195806.843006]  ? __audit_getname+0x9a/0xb0
[2195806.843011]  user_path_at_empty+0x36/0x40
[2195806.843015]  ? user_path_at_empty+0x36/0x40
[2195806.843018]  vfs_statx+0x77/0xe0
[2195806.843020]  SYSC_newlstat+0x3d/0x70
[2195806.843022]  ? __audit_syscall_entry+0xac/0x100
[2195806.843025]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.843027]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.843030]  SyS_newlstat+0xe/0x10
[2195806.843032]  do_syscall_64+0x73/0x130
[2195806.843034]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.843036] RIP: 0033:0x47c720
[2195806.843037] RSP: 002b:000000c00004ac80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.843038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.843039] RDX: 0000000000000000 RSI: 000000c000173ca8 RDI: 000000c000543d10
[2195806.843040] RBP: 000000c00004ace0 R08: 0000000000000000 R09: 0000000000000000
[2195806.843041] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.843042] R13: 000000000000005e R14: 000000000000005d R15: 0000000000000066
[2195806.843052] INFO: task baggageclaim:15127 blocked for more than 120 seconds.
[2195806.850596]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.857266] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.865525] baggageclaim    D    0 15127      1 0x00000080
[2195806.865529] Call Trace:
[2195806.865536]  __schedule+0x3d6/0x8b0
[2195806.865560]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.865565]  schedule+0x36/0x80
[2195806.865568]  rwsem_down_read_failed+0x10a/0x170
[2195806.865571]  call_rwsem_down_read_failed+0x18/0x30
[2195806.865573]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.865575]  down_read+0x20/0x40
[2195806.865579]  lookup_slow+0x60/0x170
[2195806.865580]  ? lookup_fast+0x218/0x300
[2195806.865582]  walk_component+0x1c5/0x360
[2195806.865584]  ? path_init+0x1d9/0x310
[2195806.865586]  path_lookupat+0x76/0x230
[2195806.865589]  ? __audit_inode+0x1b9/0x320
[2195806.865591]  filename_lookup+0xb8/0x1a0
[2195806.865594]  ? __check_object_size+0xfc/0x1a0
[2195806.865596]  ? path_get+0x27/0x30
[2195806.865597]  ? __audit_getname+0x9a/0xb0
[2195806.865600]  user_path_at_empty+0x36/0x40
[2195806.865601]  ? user_path_at_empty+0x36/0x40
[2195806.865603]  vfs_statx+0x77/0xe0
[2195806.865606]  SYSC_newlstat+0x3d/0x70
[2195806.865608]  ? __audit_syscall_entry+0xac/0x100
[2195806.865611]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.865613]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.865615]  SyS_newlstat+0xe/0x10
[2195806.865617]  do_syscall_64+0x73/0x130
[2195806.865619]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.865621] RIP: 0033:0x47c720
[2195806.865621] RSP: 002b:000000c0001b6c80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.865623] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.865624] RDX: 0000000000000000 RSI: 000000c0003fc108 RDI: 000000c000307ae0
[2195806.865625] RBP: 000000c0001b6ce0 R08: 0000000000000000 R09: 0000000000000000
[2195806.865628] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.865629] R13: 0000000000000057 R14: 0000000000000056 R15: 0000000000000066
[2195806.865632] INFO: task baggageclaim:298571 blocked for more than 120 seconds.
[2195806.873193]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.879806] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.888063] baggageclaim    D    0 298571      1 0x00000080
[2195806.888066] Call Trace:
[2195806.888074]  __schedule+0x3d6/0x8b0
[2195806.888101]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.888104]  schedule+0x36/0x80
[2195806.888111]  rwsem_down_read_failed+0x10a/0x170
[2195806.888114]  call_rwsem_down_read_failed+0x18/0x30
[2195806.888116]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.888118]  down_read+0x20/0x40
[2195806.888121]  lookup_slow+0x60/0x170
[2195806.888123]  ? lookup_fast+0x218/0x300
[2195806.888124]  walk_component+0x1c5/0x360
[2195806.888126]  ? path_init+0x1d9/0x310
[2195806.888128]  path_lookupat+0x76/0x230
[2195806.888132]  ? __audit_inode+0x1b9/0x320
[2195806.888143]  filename_lookup+0xb8/0x1a0
[2195806.888146]  ? __check_object_size+0xfc/0x1a0
[2195806.888148]  ? path_get+0x27/0x30
[2195806.888150]  ? __audit_getname+0x9a/0xb0
[2195806.888152]  user_path_at_empty+0x36/0x40
[2195806.888161]  ? user_path_at_empty+0x36/0x40
[2195806.888167]  vfs_statx+0x77/0xe0
[2195806.888171]  SYSC_newlstat+0x3d/0x70
[2195806.888176]  ? __audit_syscall_entry+0xac/0x100
[2195806.888180]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.888182]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.888184]  SyS_newlstat+0xe/0x10
[2195806.888186]  do_syscall_64+0x73/0x130
[2195806.888188]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.888190] RIP: 0033:0x47c720
[2195806.888191] RSP: 002b:000000c0001b5c80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.888193] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.888194] RDX: 0000000000000000 RSI: 000000c0003fc2a8 RDI: 000000c000307c20
[2195806.888195] RBP: 000000c0001b5ce0 R08: 0000000000000000 R09: 0000000000000000
[2195806.888196] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.888197] R13: 000000000000005b R14: 000000000000005a R15: 0000000000000066
[2195806.888202] INFO: task baggageclaim:298580 blocked for more than 120 seconds.
[2195806.895759]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.902429] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.910670] baggageclaim    D    0 298580      1 0x00000080
[2195806.910673] Call Trace:
[2195806.910679]  __schedule+0x3d6/0x8b0
[2195806.910705]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.910707]  schedule+0x36/0x80
[2195806.910710]  rwsem_down_read_failed+0x10a/0x170
[2195806.910713]  call_rwsem_down_read_failed+0x18/0x30
[2195806.910715]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.910717]  down_read+0x20/0x40
[2195806.910721]  lookup_slow+0x60/0x170
[2195806.910722]  ? lookup_fast+0x218/0x300
[2195806.910724]  walk_component+0x1c5/0x360
[2195806.910726]  ? path_init+0x1d9/0x310
[2195806.910728]  path_lookupat+0x76/0x230
[2195806.910731]  ? __audit_inode+0x1b9/0x320
[2195806.910733]  filename_lookup+0xb8/0x1a0
[2195806.910737]  ? generic_file_read_iter+0x93a/0xba0
[2195806.910740]  ? __check_object_size+0xfc/0x1a0
[2195806.910743]  ? path_get+0x27/0x30
[2195806.910745]  ? __audit_getname+0x9a/0xb0
[2195806.910747]  user_path_at_empty+0x36/0x40
[2195806.910748]  ? user_path_at_empty+0x36/0x40
[2195806.910750]  vfs_statx+0x77/0xe0
[2195806.910753]  SYSC_newlstat+0x3d/0x70
[2195806.910755]  ? __audit_syscall_entry+0xac/0x100
[2195806.910758]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.910760]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.910762]  SyS_newlstat+0xe/0x10
[2195806.910764]  do_syscall_64+0x73/0x130
[2195806.910767]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.910769] RIP: 0033:0x47c720
[2195806.910770] RSP: 002b:000000c0001b2c80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.910772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.910773] RDX: 0000000000000000 RSI: 000000c000173b08 RDI: 000000c000543bd0
[2195806.910774] RBP: 000000c0001b2ce0 R08: 0000000000000000 R09: 0000000000000000
[2195806.910775] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.910776] R13: 000000000000005a R14: 0000000000000059 R15: 0000000000000066
[2195806.910779] INFO: task baggageclaim:298586 blocked for more than 120 seconds.
[2195806.918332]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.924930] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.933263] baggageclaim    D    0 298586      1 0x00000080
[2195806.933267] Call Trace:
[2195806.933274]  __schedule+0x3d6/0x8b0
[2195806.933301]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.933303]  schedule+0x36/0x80
[2195806.933306]  rwsem_down_read_failed+0x10a/0x170
[2195806.933309]  call_rwsem_down_read_failed+0x18/0x30
[2195806.933311]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.933313]  down_read+0x20/0x40
[2195806.933316]  lookup_slow+0x60/0x170
[2195806.933318]  ? lookup_fast+0x218/0x300
[2195806.933319]  walk_component+0x1c5/0x360
[2195806.933321]  ? path_init+0x1d9/0x310
[2195806.933323]  path_lookupat+0x76/0x230
[2195806.933326]  ? __audit_inode+0x1b9/0x320
[2195806.933329]  filename_lookup+0xb8/0x1a0
[2195806.933332]  ? __check_object_size+0xfc/0x1a0
[2195806.933334]  ? path_get+0x27/0x30
[2195806.933336]  ? __audit_getname+0x9a/0xb0
[2195806.933338]  user_path_at_empty+0x36/0x40
[2195806.933339]  ? user_path_at_empty+0x36/0x40
[2195806.933342]  vfs_statx+0x77/0xe0
[2195806.933344]  SYSC_newlstat+0x3d/0x70
[2195806.933347]  ? __audit_syscall_entry+0xac/0x100
[2195806.933350]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.933352]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.933354]  SyS_newlstat+0xe/0x10
[2195806.933356]  do_syscall_64+0x73/0x130
[2195806.933359]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.933361] RIP: 0033:0x47c720
[2195806.933362] RSP: 002b:000000c0006e3c80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.933364] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.933365] RDX: 0000000000000000 RSI: 000000c00043cd38 RDI: 000000c000544f50
[2195806.933366] RBP: 000000c0006e3ce0 R08: 0000000000000000 R09: 0000000000000000
[2195806.933367] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.933368] R13: 0000000000000032 R14: 0000000000000031 R15: 0000000000000066
[2195806.933374] INFO: task baggageclaim:298600 blocked for more than 120 seconds.
[2195806.941122]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.947802] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.956051] baggageclaim    D    0 298600      1 0x00000080
[2195806.956054] Call Trace:
[2195806.956060]  __schedule+0x3d6/0x8b0
[2195806.956062]  schedule+0x36/0x80
[2195806.956066]  rwsem_down_write_failed+0x20f/0x3a0
[2195806.956069]  ? getname_flags+0x56/0x1f0
[2195806.956072]  call_rwsem_down_write_failed+0x17/0x30
[2195806.956074]  ? call_rwsem_down_write_failed+0x17/0x30
[2195806.956100]  ? btrfs_free_path+0x26/0x30 [btrfs]
[2195806.956103]  down_write+0x2d/0x40
[2195806.956109]  lock_rename+0xd2/0xe0
[2195806.956113]  SyS_renameat+0x19f/0x3f0
[2195806.956118]  do_syscall_64+0x73/0x130
[2195806.956127]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.956128] RIP: 0033:0x47c79a
[2195806.956129] RSP: 002b:000000c0001f4ca0 EFLAGS: 00000202 ORIG_RAX: 0000000000000108
[2195806.956131] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c79a
[2195806.956132] RDX: ffffffffffffff9c RSI: 000000c000543a40 RDI: ffffffffffffff9c
[2195806.956133] RBP: 000000c0001f4d20 R08: 0000000000000000 R09: 0000000000000000
[2195806.956134] R10: 000000c000543a90 R11: 0000000000000202 R12: ffffffffffffffff
[2195806.956135] R13: 0000000000000056 R14: 0000000000000055 R15: 0000000000000066
[2195806.956137] INFO: task baggageclaim:298601 blocked for more than 120 seconds.
[2195806.963784]       Not tainted 4.15.0-42-generic #45~16.04.1-Ubuntu
[2195806.970368] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[2195806.978734] baggageclaim    D    0 298601      1 0x00000080
[2195806.978738] Call Trace:
[2195806.978744]  __schedule+0x3d6/0x8b0
[2195806.978767]  ? btrfs_set_path_blocking+0x3e/0x70 [btrfs]
[2195806.978769]  schedule+0x36/0x80
[2195806.978771]  rwsem_down_read_failed+0x10a/0x170
[2195806.978774]  call_rwsem_down_read_failed+0x18/0x30
[2195806.978776]  ? call_rwsem_down_read_failed+0x18/0x30
[2195806.978779]  down_read+0x20/0x40
[2195806.978782]  lookup_slow+0x60/0x170
[2195806.978783]  ? lookup_fast+0x218/0x300
[2195806.978785]  walk_component+0x1c5/0x360
[2195806.978787]  ? path_init+0x1d9/0x310
[2195806.978789]  path_lookupat+0x76/0x230
[2195806.978792]  ? __audit_inode+0x1b9/0x320
[2195806.978795]  filename_lookup+0xb8/0x1a0
[2195806.978799]  ? __check_object_size+0xfc/0x1a0
[2195806.978800]  ? path_get+0x27/0x30
[2195806.978802]  ? __audit_getname+0x9a/0xb0
[2195806.978804]  user_path_at_empty+0x36/0x40
[2195806.978806]  ? user_path_at_empty+0x36/0x40
[2195806.978809]  vfs_statx+0x77/0xe0
[2195806.978811]  SYSC_newlstat+0x3d/0x70
[2195806.978813]  ? __audit_syscall_entry+0xac/0x100
[2195806.978816]  ? syscall_trace_enter+0x1d6/0x2f0
[2195806.978818]  ? __audit_syscall_exit+0x230/0x2c0
[2195806.978820]  SyS_newlstat+0xe/0x10
[2195806.978822]  do_syscall_64+0x73/0x130
[2195806.978825]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[2195806.978827] RIP: 0033:0x47c720
[2195806.978828] RSP: 002b:000000c0001f5c80 EFLAGS: 00000206 ORIG_RAX: 0000000000000006
[2195806.978829] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c720
[2195806.978830] RDX: 0000000000000000 RSI: 000000c0004b2928 RDI: 000000c0000e2d20
[2195806.978831] RBP: 000000c0001f5ce0 R08: 0000000000000000 R09: 0000000000000000
[2195806.978832] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff
[2195806.978833] R13: 000000000000002b R14: 000000000000002a R15: 0000000000000066