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Bug#908216: btrfs blocked for more than 120 seconds

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From "Russell Mosemann" <rmosemann@futurefoam.com>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#908216: btrfs blocked for more than 120 seconds
Date Thu, 21 Feb 2019 15:30:01 +0100
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Package: src:linux
Version: 4.19.16-1~bpo9+1
Severity: important
 
 
 
Feb 20 18:34:42 lxc008 kernel: INFO: task fbackup main:27837 blocked for more than 120 seconds.
Feb 20 18:34:58 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 20 18:34:58 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 20 18:34:58 lxc008 kernel: fbackup main    D    0 27837   1720 0x00000100
Feb 20 18:34:58 lxc008 kernel: Call Trace:
Feb 20 18:34:58 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 20 18:34:58 lxc008 kernel:  ? btrfs_put_transaction+0x22/0x150 [btrfs]
Feb 20 18:34:58 lxc008 kernel:  schedule+0x32/0x80
Feb 20 18:34:58 lxc008 kernel:  io_schedule+0x12/0x40
Feb 20 18:34:58 lxc008 kernel:  wait_on_page_bit+0x116/0x160
Feb 20 18:34:58 lxc008 kernel:  ? page_cache_tree_insert+0xe0/0xe0
Feb 20 18:34:58 lxc008 kernel:  btrfs_page_mkwrite+0x178/0x510 [btrfs]
Feb 20 18:34:58 lxc008 kernel:  do_page_mkwrite+0x30/0x90
Feb 20 18:34:58 lxc008 kernel:  do_wp_page+0x1ae/0x5f0
Feb 20 18:34:58 lxc008 kernel:  __handle_mm_fault+0x7d5/0x1210
Feb 20 18:34:58 lxc008 kernel:  handle_mm_fault+0xfc/0x1f0
Feb 20 18:34:58 lxc008 kernel:  __do_page_fault+0x255/0x4f0
Feb 20 18:34:58 lxc008 kernel:  ? page_fault+0x8/0x30
Feb 20 18:34:58 lxc008 kernel:  page_fault+0x1e/0x30
Feb 20 18:34:58 lxc008 kernel: RIP: 0033:0x557dbecdc184
Feb 20 18:34:58 lxc008 kernel: Code: Bad RIP value.
Feb 20 18:34:58 lxc008 kernel: RSP: 002b:00007fc837fef240 EFLAGS: 00010246
Feb 20 18:34:58 lxc008 kernel: RAX: 00000000000094b0 RBX: 00007fc8080bd460 RCX: 00007fc892cac2e0
Feb 20 18:34:58 lxc008 kernel: RDX: 00007fc894405080 RSI: 0000000000000000 RDI: 0000000000000010
Feb 20 18:34:58 lxc008 kernel: RBP: 0000557dbf6e5670 R08: 00007fc808000618 R09: 0000000000000100
Feb 20 18:34:58 lxc008 kernel: R10: 0000000000000000 R11: 00007fc89285ee40 R12: 0000000000020000
Feb 20 18:34:58 lxc008 kernel: R13: 0000000000000000 R14: 00007fc8080bd4e8 R15: 00007fc894405000

Feb 21 07:23:40 lxc008 kernel: INFO: task fbackup main:2260 blocked for more than 120 seconds.
Feb 21 07:23:40 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:23:40 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:23:40 lxc008 kernel: fbackup main    D    0  2260   1744 0x00000100
Feb 21 07:23:40 lxc008 kernel: Call Trace:
Feb 21 07:23:40 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:23:40 lxc008 kernel:  ? btrfs_put_transaction+0x22/0x150 [btrfs]
Feb 21 07:23:40 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:23:40 lxc008 kernel:  io_schedule+0x12/0x40
Feb 21 07:23:40 lxc008 kernel:  wait_on_page_bit+0x116/0x160
Feb 21 07:23:40 lxc008 kernel:  ? page_cache_tree_insert+0xe0/0xe0
Feb 21 07:23:40 lxc008 kernel:  btrfs_page_mkwrite+0x178/0x510 [btrfs]
Feb 21 07:23:40 lxc008 kernel:  do_page_mkwrite+0x30/0x90
Feb 21 07:23:40 lxc008 kernel:  do_wp_page+0x1ae/0x5f0
Feb 21 07:23:40 lxc008 kernel:  ? aa_file_perm+0x10c/0x380
Feb 21 07:23:40 lxc008 kernel:  __handle_mm_fault+0x7d5/0x1210
Feb 21 07:23:40 lxc008 kernel:  handle_mm_fault+0xfc/0x1f0
Feb 21 07:23:40 lxc008 kernel:  __do_page_fault+0x255/0x4f0
Feb 21 07:23:40 lxc008 kernel:  ? page_fault+0x8/0x30
Feb 21 07:23:40 lxc008 kernel:  page_fault+0x1e/0x30
Feb 21 07:23:40 lxc008 kernel: RIP: 0033:0x563c71b99d01
Feb 21 07:23:40 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:23:40 lxc008 kernel: RSP: 002b:00007fe0e7feea00 EFLAGS: 00010216
Feb 21 07:23:40 lxc008 kernel: RAX: 0000000000000704 RBX: 00000000000ad47d RCX: 00007fe1569b3e08
Feb 21 07:23:40 lxc008 kernel: RDX: 000000000000064d RSI: 00007fe1569b3000 RDI: 0000000000000000
Feb 21 07:23:40 lxc008 kernel: RBP: 000000000000064d R08: 00007fe1569b3000 R09: 00007fe0e7feeb30
Feb 21 07:23:40 lxc008 kernel: R10: 00007fe0e7feeb30 R11: 0000000000000000 R12: 0000000000000000
Feb 21 07:23:40 lxc008 kernel: R13: 00007fe0dc075668 R14: 00007fe1569b0930 R15: 00007fe0dc1227d0

Feb 21 07:25:41 lxc008 kernel: INFO: task lightdm-gtk-gre:1778 blocked for more than 120 seconds.
Feb 21 07:25:41 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:25:41 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:25:41 lxc008 kernel: lightdm-gtk-gre D    0  1778   1747 0x00000000
Feb 21 07:25:41 lxc008 kernel: Call Trace:
Feb 21 07:25:41 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:25:41 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:25:41 lxc008 kernel:  io_schedule+0x12/0x40
Feb 21 07:25:41 lxc008 kernel:  wait_on_page_bit+0x116/0x160
Feb 21 07:25:41 lxc008 kernel:  ? page_cache_tree_insert+0xe0/0xe0
Feb 21 07:25:41 lxc008 kernel:  prepare_pages+0x229/0x240 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  btrfs_buffered_write.isra.23+0x248/0x790 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  ? current_time+0x4d/0x90
Feb 21 07:25:41 lxc008 kernel:  btrfs_file_write_iter+0x383/0x530 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  new_sync_write+0xfd/0x160
Feb 21 07:25:41 lxc008 kernel:  vfs_write+0xb0/0x190
Feb 21 07:25:41 lxc008 kernel:  ksys_write+0x52/0xc0
Feb 21 07:25:41 lxc008 kernel:  do_syscall_64+0x55/0x110
Feb 21 07:25:41 lxc008 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Feb 21 07:25:41 lxc008 kernel: RIP: 0033:0x7fcaa40f198d
Feb 21 07:25:41 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:25:41 lxc008 kernel: RSP: 002b:00007ffec8765e00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
Feb 21 07:25:41 lxc008 kernel: RAX: ffffffffffffffda RBX: 000000000000009f RCX: 00007fcaa40f198d
Feb 21 07:25:41 lxc008 kernel: RDX: 000000000000009f RSI: 00007ffec8765fd0 RDI: 0000000000000002
Feb 21 07:25:41 lxc008 kernel: RBP: 00007ffec8765fd0 R08: 00007fcaa69d3a80 R09: 000000000000009f
Feb 21 07:25:41 lxc008 kernel: R10: 0000000000000073 R11: 0000000000000293 R12: 000000000000009f
Feb 21 07:25:41 lxc008 kernel: R13: 0000000000000001 R14: 00007fcaa43b0520 R15: 000000000000009f

Feb 21 07:25:41 lxc008 kernel: INFO: task client main:2258 blocked for more than 120 seconds.
Feb 21 07:25:41 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:25:41 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:25:41 lxc008 kernel: client main     D    0  2258   1744 0x00000100
Feb 21 07:25:41 lxc008 kernel: Call Trace:
Feb 21 07:25:41 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:25:41 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:25:41 lxc008 kernel:  rwsem_down_write_failed+0x216/0x3e0
Feb 21 07:25:41 lxc008 kernel:  ? call_rwsem_down_write_failed+0x13/0x20
Feb 21 07:25:41 lxc008 kernel:  call_rwsem_down_write_failed+0x13/0x20
Feb 21 07:25:41 lxc008 kernel:  down_write+0x29/0x40
Feb 21 07:25:41 lxc008 kernel:  btrfs_file_llseek+0x45/0x2c0 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  ? syscall_trace_enter+0x117/0x2c0
Feb 21 07:25:41 lxc008 kernel:  ksys_lseek+0x80/0xa0
Feb 21 07:25:41 lxc008 kernel:  do_syscall_64+0x55/0x110
Feb 21 07:25:41 lxc008 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Feb 21 07:25:41 lxc008 kernel: RIP: 0033:0x7fe155016727
Feb 21 07:25:41 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:25:41 lxc008 kernel: RSP: 002b:00007fe1217f8268 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
Feb 21 07:25:41 lxc008 kernel: RAX: ffffffffffffffda RBX: 00000000012839f8 RCX: 00007fe155016727
Feb 21 07:25:41 lxc008 kernel: RDX: 0000000000000000 RSI: 00000000012839f8 RDI: 0000000000000045
Feb 21 07:25:41 lxc008 kernel: RBP: 0000000000001000 R08: 0000000000000fde R09: 00007fe0ec001888
Feb 21 07:25:41 lxc008 kernel: R10: 0000000000001269 R11: 0000000000000246 R12: 00007fe0ec020fb8
Feb 21 07:25:41 lxc008 kernel: R13: 0000000000001000 R14: 0000000000000000 R15: 00007fe0ec002518

Feb 21 07:25:41 lxc008 kernel: INFO: task fbackup main:2260 blocked for more than 120 seconds.
Feb 21 07:25:41 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:25:41 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:25:41 lxc008 kernel: fbackup main    D    0  2260   1744 0x00000100
Feb 21 07:25:41 lxc008 kernel: Call Trace:
Feb 21 07:25:41 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:25:41 lxc008 kernel:  ? btrfs_put_transaction+0x22/0x150 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:25:41 lxc008 kernel:  io_schedule+0x12/0x40
Feb 21 07:25:41 lxc008 kernel:  wait_on_page_bit+0x116/0x160
Feb 21 07:25:41 lxc008 kernel:  ? page_cache_tree_insert+0xe0/0xe0
Feb 21 07:25:41 lxc008 kernel:  btrfs_page_mkwrite+0x178/0x510 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  do_page_mkwrite+0x30/0x90
Feb 21 07:25:41 lxc008 kernel:  do_wp_page+0x1ae/0x5f0
Feb 21 07:25:41 lxc008 kernel:  ? aa_file_perm+0x10c/0x380
Feb 21 07:25:41 lxc008 kernel:  __handle_mm_fault+0x7d5/0x1210
Feb 21 07:25:41 lxc008 kernel:  handle_mm_fault+0xfc/0x1f0
Feb 21 07:25:41 lxc008 kernel:  __do_page_fault+0x255/0x4f0
Feb 21 07:25:41 lxc008 kernel:  ? page_fault+0x8/0x30
Feb 21 07:25:41 lxc008 kernel:  page_fault+0x1e/0x30
Feb 21 07:25:41 lxc008 kernel: RIP: 0033:0x563c71b99d01
Feb 21 07:25:41 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:25:41 lxc008 kernel: RSP: 002b:00007fe0e7feea00 EFLAGS: 00010216
Feb 21 07:25:41 lxc008 kernel: RAX: 0000000000000704 RBX: 00000000000ad47d RCX: 00007fe1569b3e08
Feb 21 07:25:41 lxc008 kernel: RDX: 000000000000064d RSI: 00007fe1569b3000 RDI: 0000000000000000
Feb 21 07:25:41 lxc008 kernel: RBP: 000000000000064d R08: 00007fe1569b3000 R09: 00007fe0e7feeb30
Feb 21 07:25:41 lxc008 kernel: R10: 00007fe0e7feeb30 R11: 0000000000000000 R12: 0000000000000000
Feb 21 07:25:41 lxc008 kernel: R13: 00007fe0dc075668 R14: 00007fe1569b0930 R15: 00007fe0dc1227d0

Feb 21 07:25:41 lxc008 kernel: INFO: task fbackup write:2264 blocked for more than 120 seconds.
Feb 21 07:25:41 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:25:41 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:25:41 lxc008 kernel: fbackup write   D    0  2264   1744 0x00000100
Feb 21 07:25:41 lxc008 kernel: Call Trace:
Feb 21 07:25:41 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:25:41 lxc008 kernel:  ? btrfs_put_transaction+0x22/0x150 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:25:41 lxc008 kernel:  io_schedule+0x12/0x40
Feb 21 07:25:41 lxc008 kernel:  wait_on_page_bit+0x116/0x160
Feb 21 07:25:41 lxc008 kernel:  ? page_cache_tree_insert+0xe0/0xe0
Feb 21 07:25:41 lxc008 kernel:  btrfs_page_mkwrite+0x178/0x510 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  do_page_mkwrite+0x30/0x90
Feb 21 07:25:41 lxc008 kernel:  do_wp_page+0x1ae/0x5f0
Feb 21 07:25:41 lxc008 kernel:  __handle_mm_fault+0x7d5/0x1210
Feb 21 07:25:41 lxc008 kernel:  ? __seccomp_filter+0x43/0x4a0
Feb 21 07:25:41 lxc008 kernel:  handle_mm_fault+0xfc/0x1f0
Feb 21 07:25:41 lxc008 kernel:  __do_page_fault+0x255/0x4f0
Feb 21 07:25:41 lxc008 kernel:  ? page_fault+0x8/0x30
Feb 21 07:25:41 lxc008 kernel:  page_fault+0x1e/0x30
Feb 21 07:25:41 lxc008 kernel: RIP: 0033:0x563c71de0184
Feb 21 07:25:41 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:25:41 lxc008 kernel: RSP: 002b:00007fe0e5ff93b0 EFLAGS: 00010246
Feb 21 07:25:41 lxc008 kernel: RAX: 00000000000094e8 RBX: 00007fe0cc039710 RCX: 00007fe15521e2e0
Feb 21 07:25:41 lxc008 kernel: RDX: 00007fe1569d7100 RSI: 0000000000000000 RDI: 0000000000000010
Feb 21 07:25:41 lxc008 kernel: RBP: 0000563c740765c0 R08: 00007fe0cc000188 R09: 0000000000000100
Feb 21 07:25:41 lxc008 kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000020000
Feb 21 07:25:41 lxc008 kernel: R13: 0000000000000000 R14: 00007fe0cc039798 R15: 00007fe1569d7000

Feb 21 07:25:41 lxc008 kernel: INFO: task backup active u:2360 blocked for more than 120 seconds.
Feb 21 07:25:41 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:25:41 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:25:41 lxc008 kernel: backup active u D    0  2360   1744 0x00000100
Feb 21 07:25:41 lxc008 kernel: Call Trace:
Feb 21 07:25:41 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:25:41 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:25:41 lxc008 kernel:  io_schedule+0x12/0x40
Feb 21 07:25:41 lxc008 kernel:  wait_on_page_bit+0x116/0x160
Feb 21 07:25:41 lxc008 kernel:  ? page_cache_tree_insert+0xe0/0xe0
Feb 21 07:25:41 lxc008 kernel:  prepare_pages+0x229/0x240 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  btrfs_buffered_write.isra.23+0x248/0x790 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  ? current_time+0x4d/0x90
Feb 21 07:25:41 lxc008 kernel:  btrfs_file_write_iter+0x383/0x530 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  ? aa_file_perm+0x10c/0x380
Feb 21 07:25:41 lxc008 kernel:  new_sync_write+0xfd/0x160
Feb 21 07:25:41 lxc008 kernel:  vfs_write+0xb0/0x190
Feb 21 07:25:41 lxc008 kernel:  ksys_write+0x52/0xc0
Feb 21 07:25:41 lxc008 kernel:  do_syscall_64+0x55/0x110
Feb 21 07:25:41 lxc008 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Feb 21 07:25:41 lxc008 kernel: RIP: 0033:0x7fe1550161ad
Feb 21 07:25:41 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:25:41 lxc008 kernel: RSP: 002b:00007fe0a2ffc620 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
Feb 21 07:25:41 lxc008 kernel: RAX: ffffffffffffffda RBX: 000000000000007f RCX: 00007fe1550161ad
Feb 21 07:25:41 lxc008 kernel: RDX: 0000000000000018 RSI: 00007fe0a2ffc6a0 RDI: 000000000000007f
Feb 21 07:25:41 lxc008 kernel: RBP: 0000000000000018 R08: 00007fe098020848 R09: 00007fe0a2ffc7d0
Feb 21 07:25:41 lxc008 kernel: R10: 00007fe0a2ffc7d0 R11: 0000000000000293 R12: 00007fe0a2ffc6a0
Feb 21 07:25:41 lxc008 kernel: R13: 00000000012b5e90 R14: 00007fe0a2ffc6a0 R15: 00007fe098020848

Feb 21 07:25:41 lxc008 kernel: INFO: task fbackup load:2361 blocked for more than 120 seconds.
Feb 21 07:25:41 lxc008 kernel:       Tainted: G          I       4.19.0-0.bpo.2-amd64 #1 Debian 4.19.16-1~bpo9+1
Feb 21 07:25:41 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 21 07:25:41 lxc008 kernel: fbackup load    D    0  2361   1744 0x00000100
Feb 21 07:25:41 lxc008 kernel: Call Trace:
Feb 21 07:25:41 lxc008 kernel:  ? __schedule+0x3f5/0x880
Feb 21 07:25:41 lxc008 kernel:  ? aa_path_perm+0xe4/0x130
Feb 21 07:25:41 lxc008 kernel:  schedule+0x32/0x80
Feb 21 07:25:41 lxc008 kernel:  rwsem_down_write_failed+0x216/0x3e0
Feb 21 07:25:41 lxc008 kernel:  ? mpol_misplaced+0x135/0x1a0
Feb 21 07:25:41 lxc008 kernel:  ? call_rwsem_down_write_failed+0x13/0x20
Feb 21 07:25:41 lxc008 kernel:  call_rwsem_down_write_failed+0x13/0x20
Feb 21 07:25:41 lxc008 kernel:  down_write+0x29/0x40
Feb 21 07:25:41 lxc008 kernel:  btrfs_file_llseek+0x45/0x2c0 [btrfs]
Feb 21 07:25:41 lxc008 kernel:  ? syscall_trace_enter+0x117/0x2c0
Feb 21 07:25:41 lxc008 kernel:  ksys_lseek+0x80/0xa0
Feb 21 07:25:41 lxc008 kernel:  do_syscall_64+0x55/0x110
Feb 21 07:25:41 lxc008 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Feb 21 07:25:41 lxc008 kernel: RIP: 0033:0x7fe155016727
Feb 21 07:25:41 lxc008 kernel: Code: Bad RIP value.
Feb 21 07:25:41 lxc008 kernel: RSP: 002b:00007fe0a27f83d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
Feb 21 07:25:41 lxc008 kernel: RAX: ffffffffffffffda RBX: 00000000012839f8 RCX: 00007fe155016727
Feb 21 07:25:41 lxc008 kernel: RDX: 0000000000000000 RSI: 00000000012839f8 RDI: 0000000000000079
Feb 21 07:25:41 lxc008 kernel: RBP: 0000000000001000 R08: 0000000000000fde R09: 00007fe08c00ee38
Feb 21 07:25:41 lxc008 kernel: R10: 0000000000001269 R11: 0000000000000246 R12: 00007fe08c054d50
Feb 21 07:25:41 lxc008 kernel: R13: 0000000000001000 R14: 0000000000000000 R15: 00007fe08c00e448

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Bug#908216: btrfs blocked for more than 120 seconds "Russell Mosemann" <rmosemann@futurefoam.com> - 2019-02-21 15:30 +0100

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