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Bug#908216: btrfs blocked for more than 120 seconds

Started by	"Russell Mosemann" <rmosemann@futurefoam.com>
First post	2018-09-27 13:30 +0200
Last post	2018-09-27 13:30 +0200
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  Bug#908216: btrfs blocked for more than 120 seconds "Russell Mosemann" <rmosemann@futurefoam.com> - 2018-09-27 13:30 +0200

#62241 — Bug#908216: btrfs blocked for more than 120 seconds

From	"Russell Mosemann" <rmosemann@futurefoam.com>
Date	2018-09-27 13:30 +0200
Subject	Bug#908216: btrfs blocked for more than 120 seconds
Message-ID	<wCCEy-2GM-5@gated-at.bofh.it>

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Package: linux-image-4.18.0-0.bpo.1-amd64
Severity: important

 
 
 
Sep 27 01:25:47 lxc008 kernel: INFO: task rsync:24406 blocked for more than 120 seconds.
Sep 27 01:25:47 lxc008 kernel:       Tainted: G          I       4.18.0-0.bpo.1-amd64 #1 Debian 4.18.6-1~bpo9+1
Sep 27 01:25:47 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Sep 27 01:25:47 lxc008 kernel: rsync           D    0 24406  24405 0x00000100
Sep 27 01:25:47 lxc008 kernel: Call Trace:
Sep 27 01:25:47 lxc008 kernel:  ? __schedule+0x3f5/0x880
Sep 27 01:25:47 lxc008 kernel:  schedule+0x32/0x80
Sep 27 01:25:47 lxc008 kernel:  btrfs_start_ordered_extent+0xed/0x120 [btrfs]
Sep 27 01:25:47 lxc008 kernel:  ? remove_wait_queue+0x60/0x60
Sep 27 01:25:47 lxc008 kernel:  __extent_readpages+0x293/0x380 [btrfs]
Sep 27 01:25:47 lxc008 kernel:  extent_readpages+0x1ba/0x230 [btrfs]
Sep 27 01:25:47 lxc008 kernel:  read_pages+0x71/0x1a0
Sep 27 01:25:47 lxc008 kernel:  ? __do_page_cache_readahead+0x1cc/0x1e0
Sep 27 01:25:47 lxc008 kernel:  __do_page_cache_readahead+0x1cc/0x1e0
Sep 27 01:25:47 lxc008 kernel:  ondemand_readahead+0x171/0x290
Sep 27 01:25:47 lxc008 kernel:  generic_file_read_iter+0x7b0/0xb90
Sep 27 01:25:47 lxc008 kernel:  ? aa_file_perm+0x10c/0x380
Sep 27 01:25:47 lxc008 kernel:  ? __seccomp_filter+0x43/0x4a0
Sep 27 01:25:47 lxc008 kernel:  new_sync_read+0x101/0x150
Sep 27 01:25:47 lxc008 kernel:  vfs_read+0x91/0x130
Sep 27 01:25:47 lxc008 kernel:  ksys_read+0x52/0xc0
Sep 27 01:25:47 lxc008 kernel:  do_syscall_64+0x55/0x110
Sep 27 01:25:47 lxc008 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Sep 27 01:25:47 lxc008 kernel: RIP: 0033:0x7fc511f826d0
Sep 27 01:25:47 lxc008 kernel: Code: Bad RIP value.
Sep 27 01:25:47 lxc008 kernel: RSP: 002b:00007ffe82ca2d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
Sep 27 01:25:47 lxc008 kernel: RAX: ffffffffffffffda RBX: 000055c5608ffab0 RCX: 00007fc511f826d0
Sep 27 01:25:47 lxc008 kernel: RDX: 0000000000040000 RSI: 00007fc5129bc010 RDI: 0000000000000001
Sep 27 01:25:47 lxc008 kernel: RBP: 0000000000040000 R08: 0000001000a40000 R09: 00000000a8640000
Sep 27 01:25:47 lxc008 kernel: R10: 000000000006ac20 R11: 0000000000000246 R12: 0000000000000000
Sep 27 01:25:47 lxc008 kernel: R13: 0000000000040000 R14: 0000000000000000 R15: 0000000000000000

 
Sep 27 01:25:49 lxc008 postfix/qmgr[1357]: C93969E16D: removed
Sep 27 01:27:48 lxc008 kernel: INFO: task rsync:24406 blocked for more than 120 seconds.
Sep 27 01:27:48 lxc008 kernel:       Tainted: G          I       4.18.0-0.bpo.1-amd64 #1 Debian 4.18.6-1~bpo9+1
Sep 27 01:27:48 lxc008 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Sep 27 01:27:48 lxc008 kernel: rsync           D    0 24406  24405 0x00000100
Sep 27 01:27:48 lxc008 kernel: Call Trace:
Sep 27 01:27:48 lxc008 kernel:  ? __schedule+0x3f5/0x880
Sep 27 01:27:48 lxc008 kernel:  schedule+0x32/0x80
Sep 27 01:27:48 lxc008 kernel:  btrfs_start_ordered_extent+0xed/0x120 [btrfs]
Sep 27 01:27:48 lxc008 kernel:  ? remove_wait_queue+0x60/0x60
Sep 27 01:27:48 lxc008 kernel:  __extent_readpages+0x293/0x380 [btrfs]
Sep 27 01:27:48 lxc008 kernel:  extent_readpages+0x1ba/0x230 [btrfs]
Sep 27 01:27:48 lxc008 kernel:  read_pages+0x71/0x1a0
Sep 27 01:27:48 lxc008 kernel:  ? __do_page_cache_readahead+0x1cc/0x1e0
Sep 27 01:27:48 lxc008 kernel:  __do_page_cache_readahead+0x1cc/0x1e0
Sep 27 01:27:48 lxc008 kernel:  ondemand_readahead+0x171/0x290
Sep 27 01:27:48 lxc008 kernel:  generic_file_read_iter+0x7b0/0xb90
Sep 27 01:27:48 lxc008 kernel:  ? aa_file_perm+0x10c/0x380
Sep 27 01:27:48 lxc008 kernel:  ? __seccomp_filter+0x43/0x4a0
Sep 27 01:27:48 lxc008 kernel:  new_sync_read+0x101/0x150
Sep 27 01:27:48 lxc008 kernel:  vfs_read+0x91/0x130
Sep 27 01:27:48 lxc008 kernel:  ksys_read+0x52/0xc0
Sep 27 01:27:48 lxc008 kernel:  do_syscall_64+0x55/0x110
Sep 27 01:27:48 lxc008 kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Sep 27 01:27:48 lxc008 kernel: RIP: 0033:0x7fc511f826d0
Sep 27 01:27:48 lxc008 kernel: Code: Bad RIP value.
Sep 27 01:27:48 lxc008 kernel: RSP: 002b:00007ffe82ca2d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
Sep 27 01:27:48 lxc008 kernel: RAX: ffffffffffffffda RBX: 000055c5608ffab0 RCX: 00007fc511f826d0
Sep 27 01:27:48 lxc008 kernel: RDX: 0000000000040000 RSI: 00007fc5129bc010 RDI: 0000000000000001
Sep 27 01:27:48 lxc008 kernel: RBP: 0000000000040000 R08: 0000001000a40000 R09: 00000000a8640000
Sep 27 01:27:48 lxc008 kernel: R10: 000000000006ac20 R11: 0000000000000246 R12: 0000000000000000
Sep 27 01:27:48 lxc008 kernel: R13: 0000000000040000 R14: 0000000000000000 R15: 0000000000000000

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Bug#908216: btrfs blocked for more than 120 seconds

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#62241 — Bug#908216: btrfs blocked for more than 120 seconds