* 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
[not found] ` <d07620d9-4967-40fe-fa0f-be51f2459dc5@profihost.ag>
@ 2019-09-11 7:09 ` Michal Hocko
2019-09-11 14:09 ` Stefan Priebe - Profihost AG
2019-09-11 14:56 ` Filipe Manana
0 siblings, 2 replies; 7+ messages in thread
From: Michal Hocko @ 2019-09-11 7:09 UTC (permalink / raw)
To: Stefan Priebe - Profihost AG
Cc: linux-mm, l.roehrs, cgroups, Johannes Weiner, Vlastimil Babka,
Jens Axboe, linux-block, linux-fsdevel, David Sterba,
linux-btrfs
This smells like IO/Btrfs issue to me. Cc some more people.
On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
[...]
> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
> on backup disk completely hangs / is blocked at 100% i/o:
> [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
> [54739.066973] Not tainted 5.3.0-rc8 #1
> [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [54739.069065] rsync D 0 9830 9829 0x00004002
> [54739.070146] Call Trace:
> [54739.071183] ? __schedule+0x3cf/0x680
> [54739.072202] ? bit_wait+0x50/0x50
> [54739.073196] schedule+0x39/0xa0
> [54739.074213] io_schedule+0x12/0x40
> [54739.075219] bit_wait_io+0xd/0x50
> [54739.076227] __wait_on_bit+0x66/0x90
> [54739.077239] ? bit_wait+0x50/0x50
> [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
> [54739.078741] ? init_wait_var_entry+0x40/0x40
> [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [54739.080748] do_writepages+0x1a/0x60
> [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
> [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [54739.084608] ? retarget_shared_pending+0x70/0x70
> [54739.085049] do_fsync+0x38/0x60
> [54739.085494] __x64_sys_fdatasync+0x13/0x20
> [54739.085944] do_syscall_64+0x55/0x1a0
> [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [54739.086850] RIP: 0033:0x7f1db3fc85f0
> [54739.087310] Code: Bad RIP value.
> [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
> [54859.900863] Not tainted 5.3.0-rc8 #1
> [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [54859.902909] rsync D 0 9830 9829 0x00004002
> [54859.903930] Call Trace:
> [54859.904888] ? __schedule+0x3cf/0x680
> [54859.905831] ? bit_wait+0x50/0x50
> [54859.906751] schedule+0x39/0xa0
> [54859.907653] io_schedule+0x12/0x40
> [54859.908535] bit_wait_io+0xd/0x50
> [54859.909441] __wait_on_bit+0x66/0x90
> [54859.910306] ? bit_wait+0x50/0x50
> [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
> [54859.912043] ? init_wait_var_entry+0x40/0x40
> [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [54859.914276] do_writepages+0x1a/0x60
> [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
> [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [54859.917903] ? retarget_shared_pending+0x70/0x70
> [54859.918307] do_fsync+0x38/0x60
> [54859.918707] __x64_sys_fdatasync+0x13/0x20
> [54859.919106] do_syscall_64+0x55/0x1a0
> [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [54859.919866] RIP: 0033:0x7f1db3fc85f0
> [54859.920243] Code: Bad RIP value.
> [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
> [54980.734061] Not tainted 5.3.0-rc8 #1
> [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [54980.735209] rsync D 0 9830 9829 0x00004002
> [54980.735802] Call Trace:
> [54980.736473] ? __schedule+0x3cf/0x680
> [54980.737054] ? bit_wait+0x50/0x50
> [54980.737664] schedule+0x39/0xa0
> [54980.738243] io_schedule+0x12/0x40
> [54980.738712] bit_wait_io+0xd/0x50
> [54980.739171] __wait_on_bit+0x66/0x90
> [54980.739623] ? bit_wait+0x50/0x50
> [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
> [54980.740548] ? init_wait_var_entry+0x40/0x40
> [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [54980.743045] do_writepages+0x1a/0x60
> [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
> [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [54980.747575] ? retarget_shared_pending+0x70/0x70
> [54980.748059] do_fsync+0x38/0x60
> [54980.748539] __x64_sys_fdatasync+0x13/0x20
> [54980.749012] do_syscall_64+0x55/0x1a0
> [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [54980.749995] RIP: 0033:0x7f1db3fc85f0
> [54980.750368] Code: Bad RIP value.
> [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
> [55101.567775] Not tainted 5.3.0-rc8 #1
> [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55101.568649] rsync D 0 9830 9829 0x00004002
> [55101.569101] Call Trace:
> [55101.569609] ? __schedule+0x3cf/0x680
> [55101.570052] ? bit_wait+0x50/0x50
> [55101.570504] schedule+0x39/0xa0
> [55101.570938] io_schedule+0x12/0x40
> [55101.571404] bit_wait_io+0xd/0x50
> [55101.571934] __wait_on_bit+0x66/0x90
> [55101.572601] ? bit_wait+0x50/0x50
> [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
> [55101.573599] ? init_wait_var_entry+0x40/0x40
> [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55101.575580] do_writepages+0x1a/0x60
> [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
> [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55101.579139] ? retarget_shared_pending+0x70/0x70
> [55101.579543] do_fsync+0x38/0x60
> [55101.579928] __x64_sys_fdatasync+0x13/0x20
> [55101.580312] do_syscall_64+0x55/0x1a0
> [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55101.581086] RIP: 0033:0x7f1db3fc85f0
> [55101.581463] Code: Bad RIP value.
> [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
> [55222.405773] Not tainted 5.3.0-rc8 #1
> [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55222.407158] rsync D 0 9830 9829 0x00004002
> [55222.407776] Call Trace:
> [55222.408450] ? __schedule+0x3cf/0x680
> [55222.409206] ? bit_wait+0x50/0x50
> [55222.409942] schedule+0x39/0xa0
> [55222.410658] io_schedule+0x12/0x40
> [55222.411346] bit_wait_io+0xd/0x50
> [55222.411946] __wait_on_bit+0x66/0x90
> [55222.412572] ? bit_wait+0x50/0x50
> [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
> [55222.413944] ? init_wait_var_entry+0x40/0x40
> [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55222.417505] do_writepages+0x1a/0x60
> [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
> [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55222.424140] ? retarget_shared_pending+0x70/0x70
> [55222.424861] do_fsync+0x38/0x60
> [55222.425581] __x64_sys_fdatasync+0x13/0x20
> [55222.426308] do_syscall_64+0x55/0x1a0
> [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55222.427732] RIP: 0033:0x7f1db3fc85f0
> [55222.428396] Code: Bad RIP value.
> [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
> [55343.235887] Not tainted 5.3.0-rc8 #1
> [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55343.237213] rsync D 0 9830 9829 0x00004002
> [55343.237766] Call Trace:
> [55343.238353] ? __schedule+0x3cf/0x680
> [55343.238971] ? bit_wait+0x50/0x50
> [55343.239592] schedule+0x39/0xa0
> [55343.240173] io_schedule+0x12/0x40
> [55343.240721] bit_wait_io+0xd/0x50
> [55343.241266] __wait_on_bit+0x66/0x90
> [55343.241835] ? bit_wait+0x50/0x50
> [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
> [55343.242938] ? init_wait_var_entry+0x40/0x40
> [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55343.245843] do_writepages+0x1a/0x60
> [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
> [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55343.251139] ? retarget_shared_pending+0x70/0x70
> [55343.251628] do_fsync+0x38/0x60
> [55343.252208] __x64_sys_fdatasync+0x13/0x20
> [55343.252702] do_syscall_64+0x55/0x1a0
> [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55343.253798] RIP: 0033:0x7f1db3fc85f0
> [55343.254294] Code: Bad RIP value.
> [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
> [55464.069701] Not tainted 5.3.0-rc8 #1
> [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55464.071637] rsync D 0 9830 9829 0x00004002
> [55464.072637] Call Trace:
> [55464.073623] ? __schedule+0x3cf/0x680
> [55464.074604] ? bit_wait+0x50/0x50
> [55464.075577] schedule+0x39/0xa0
> [55464.076531] io_schedule+0x12/0x40
> [55464.077480] bit_wait_io+0xd/0x50
> [55464.078400] __wait_on_bit+0x66/0x90
> [55464.079300] ? bit_wait+0x50/0x50
> [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
> [55464.081107] ? init_wait_var_entry+0x40/0x40
> [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55464.085456] do_writepages+0x1a/0x60
> [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
> [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55464.089043] ? retarget_shared_pending+0x70/0x70
> [55464.089429] do_fsync+0x38/0x60
> [55464.089811] __x64_sys_fdatasync+0x13/0x20
> [55464.090190] do_syscall_64+0x55/0x1a0
> [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55464.090944] RIP: 0033:0x7f1db3fc85f0
> [55464.091321] Code: Bad RIP value.
> [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
> [55584.903748] Not tainted 5.3.0-rc8 #1
> [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55584.906023] rsync D 0 9830 9829 0x00004002
> [55584.907207] Call Trace:
> [55584.908355] ? __schedule+0x3cf/0x680
> [55584.909507] ? bit_wait+0x50/0x50
> [55584.910682] schedule+0x39/0xa0
> [55584.911230] io_schedule+0x12/0x40
> [55584.911666] bit_wait_io+0xd/0x50
> [55584.912092] __wait_on_bit+0x66/0x90
> [55584.912510] ? bit_wait+0x50/0x50
> [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
> [55584.913343] ? init_wait_var_entry+0x40/0x40
> [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55584.915588] do_writepages+0x1a/0x60
> [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
> [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55584.919679] ? retarget_shared_pending+0x70/0x70
> [55584.920122] do_fsync+0x38/0x60
> [55584.920559] __x64_sys_fdatasync+0x13/0x20
> [55584.920996] do_syscall_64+0x55/0x1a0
> [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55584.921865] RIP: 0033:0x7f1db3fc85f0
> [55584.922298] Code: Bad RIP value.
> [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
> [55705.736999] Not tainted 5.3.0-rc8 #1
> [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55705.738411] rsync D 0 9830 9829 0x00004002
> [55705.739072] Call Trace:
> [55705.739455] ? __schedule+0x3cf/0x680
> [55705.739837] ? bit_wait+0x50/0x50
> [55705.740215] schedule+0x39/0xa0
> [55705.740610] io_schedule+0x12/0x40
> [55705.741243] bit_wait_io+0xd/0x50
> [55705.741897] __wait_on_bit+0x66/0x90
> [55705.742524] ? bit_wait+0x50/0x50
> [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
> [55705.743750] ? init_wait_var_entry+0x40/0x40
> [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55705.746753] do_writepages+0x1a/0x60
> [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
> [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55705.752981] ? retarget_shared_pending+0x70/0x70
> [55705.753686] do_fsync+0x38/0x60
> [55705.754340] __x64_sys_fdatasync+0x13/0x20
> [55705.755012] do_syscall_64+0x55/0x1a0
> [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55705.756375] RIP: 0033:0x7f1db3fc85f0
> [55705.757042] Code: Bad RIP value.
> [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
> [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
> [55826.571349] Not tainted 5.3.0-rc8 #1
> [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [55826.573618] rsync D 0 9830 9829 0x00004002
> [55826.574790] Call Trace:
> [55826.575932] ? __schedule+0x3cf/0x680
> [55826.577079] ? bit_wait+0x50/0x50
> [55826.578233] schedule+0x39/0xa0
> [55826.579350] io_schedule+0x12/0x40
> [55826.580451] bit_wait_io+0xd/0x50
> [55826.581527] __wait_on_bit+0x66/0x90
> [55826.582596] ? bit_wait+0x50/0x50
> [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
> [55826.583550] ? init_wait_var_entry+0x40/0x40
> [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
> [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
> [55826.585547] do_writepages+0x1a/0x60
> [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
> [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
> [55826.589219] ? retarget_shared_pending+0x70/0x70
> [55826.589617] do_fsync+0x38/0x60
> [55826.590011] __x64_sys_fdatasync+0x13/0x20
> [55826.590411] do_syscall_64+0x55/0x1a0
> [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [55826.591185] RIP: 0033:0x7f1db3fc85f0
> [55826.591572] Code: Bad RIP value.
> [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> 000000000000004b
> [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> 00007f1db3fc85f0
> [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> 0000000000000001
> [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
> 0000000081c492ca
> [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
> 0000000000000028
> [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> 0000000000000000
>
>
> Greets,
> Stefan
--
Michal Hocko
SUSE Labs
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
2019-09-11 7:09 ` 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI) Michal Hocko
@ 2019-09-11 14:09 ` Stefan Priebe - Profihost AG
2019-09-11 14:56 ` Filipe Manana
1 sibling, 0 replies; 7+ messages in thread
From: Stefan Priebe - Profihost AG @ 2019-09-11 14:09 UTC (permalink / raw)
To: Michal Hocko
Cc: linux-mm, l.roehrs, cgroups, Johannes Weiner, Vlastimil Babka,
Jens Axboe, linux-block, linux-fsdevel, David Sterba,
linux-btrfs
HI,
i've now tried v5.2.14 but that one died with - i don't know which
version to try... now
2019-09-11 15:41:09 ------------[ cut here ]------------
2019-09-11 15:41:09 kernel BUG at mm/page-writeback.c:2655!
2019-09-11 15:41:09 invalid opcode: 0000 [#1] SMP PTI
2019-09-11 15:41:09 CPU: 4 PID: 466 Comm: kworker/u24:6 Not tainted
5.2.14 #1
2019-09-11 15:41:09 Hardware name: Supermicro Super Server/X10SRi-F,
BIOS 1.0b 04/21/2015
2019-09-11 15:41:09 Workqueue: btrfs-delalloc btrfs_delalloc_helper
[btrfs]
2019-09-11 15:41:09 RIP: 0010:clear_page_dirty_for_io+0xfc/0x210
2019-09-11 15:41:09 Code: 01 48 0f 44 d3 f0 48 0f ba 32 03 b8 00 00
00 00 72 1a 4d 85 e4 0f 85 b4 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41
5e 41 5f c3 <0f> 0b 9c 41 5f fa 48 8b 03 48 8b 53 38 48 c1 e8 36 48 85
d2 48 8b
2019-09-11 15:41:09 RSP: 0018:ffffbd4b8d2f3c18 EFLAGS: 00010246
2019-09-11 15:41:09 RAX: 001000000004205c RBX: ffffe660525b3140 RCX:
0000000000000000
2019-09-11 15:41:09 RDX: 0000000000000000 RSI: 0000000000000006 RDI:
ffffe660525b3140
2019-09-11 15:41:09 RBP: ffff9ad639868818 R08: 0000000000000001 R09:
000000000002de18
2019-09-11 15:41:09 R10: 0000000000000002 R11: ffff9ade7ffd6000 R12:
0000000000000000
2019-09-11 15:41:09 R13: 0000000000000001 R14: 0000000000000000 R15:
ffffbd4b8d2f3d08
2019-09-11 15:41:09 FS: 0000000000000000(0000)
GS:ffff9ade3f900000(0000) knlGS:0000000000000000
2019-09-11 15:41:09 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2019-09-11 15:41:09 CR2: 000055fa10d2bf70 CR3: 00000005a420a002 CR4:
00000000001606e0
2019-09-11 15:41:09 Call Trace:
2019-09-11 15:41:09 __process_pages_contig+0x270/0x360 [btrfs]
2019-09-11 15:41:09 submit_compressed_extents+0x39d/0x460 [btrfs]
2019-09-11 15:41:09 normal_work_helper+0x20f/0x320
[btrfs]process_one_work+0x18b/0x380worker_thread+0x4f/0x3a0
2019-09-11 15:41:09 ? rescuer_thread+0x330/0x330kthread+0xf8/0x130
2019-09-11 15:41:09 ?
kthread_create_worker_on_cpu+0x70/0x70ret_from_fork+0x35/0x40
2019-09-11 15:41:09 Modules linked in: netconsole xt_tcpudp xt_owner
xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_multiport
ipt_REJECT nf_reject_ipv4 xt_set iptable_filter bpfilter fuse
ip_set_hash_net ip_set nfnetlink 8021q garp bonding sb_edac
x86_pkg_temp_thermal coretemp kvm_intel ast kvm ttm drm_kms_helper
irqbypass crc32_pclmul drm fb_sys_fops syscopyarea lpc_ich sysfillrect
ghash_clmulni_intel sysimgblt mfd_core sg wmi ipmi_si ipmi_devintf
ipmi_msghandler button ip_tables x_tables btrfs zstd_decompress
zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear
md_mod sd_mod xhci_pci ehci_pci igb xhci_hcd ehci_hcd i2c_algo_bit
i2c_i801 ahci ptp i2c_core usbcore libahci usb_common pps_core megaraid_sas
2019-09-11 15:41:09 ---[ end trace d9a3f99c047dc8bf ]---
2019-09-11 15:41:10 RIP: 0010:clear_page_dirty_for_io+0xfc/0x210
2019-09-11 15:41:10 Code: 01 48 0f 44 d3 f0 48 0f ba 32 03 b8 00 00
00 00 72 1a 4d 85 e4 0f 85 b4 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41
5e 41 5f c3 <0f> 0b 9c 41 5f fa 48 8b 03 48 8b 53 38 48 c1 e8 36 48 85
d2 48 8b
2019-09-11 15:41:10 RSP: 0018:ffffbd4b8d2f3c18 EFLAGS: 00010246
2019-09-11 15:41:10 RAX: 001000000004205c RBX: ffffe660525b3140 RCX:
0000000000000000
2019-09-11 15:41:10 RDX: 0000000000000000 RSI: 0000000000000006 RDI:
ffffe660525b3140
2019-09-11 15:41:10 RBP: ffff9ad639868818 R08: 0000000000000001 R09:
000000000002de18
2019-09-11 15:41:10 R10: 0000000000000002 R11: ffff9ade7ffd6000 R12:
0000000000000000
2019-09-11 15:41:10 R13: 0000000000000001 R14: 0000000000000000 R15:
ffffbd4b8d2f3d08
2019-09-11 15:41:10 FS: 0000000000000000(0000)
GS:ffff9ade3f900000(0000) knlGS:0000000000000000
2019-09-11 15:41:10 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2019-09-11 15:41:10 CR2: 000055fa10d2bf70 CR3: 00000005a420a002 CR4:
00000000001606e0
2019-09-11 15:41:10 Kernel panic - not syncing: Fatal exception
2019-09-11 15:41:10 Kernel Offset: 0x1a000000 from
0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
2019-09-11 15:41:10 Rebooting in 20 seconds..
2019-09-11 15:41:29 ACPI MEMORY or I/O RESET_REG.
Am 11.09.19 um 09:09 schrieb Michal Hocko:
> This smells like IO/Btrfs issue to me. Cc some more people.
>
> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
> [...]
>> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
>> on backup disk completely hangs / is blocked at 100% i/o:
>> [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
>> [54739.066973] Not tainted 5.3.0-rc8 #1
>> [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [54739.069065] rsync D 0 9830 9829 0x00004002
>> [54739.070146] Call Trace:
>> [54739.071183] ? __schedule+0x3cf/0x680
>> [54739.072202] ? bit_wait+0x50/0x50
>> [54739.073196] schedule+0x39/0xa0
>> [54739.074213] io_schedule+0x12/0x40
>> [54739.075219] bit_wait_io+0xd/0x50
>> [54739.076227] __wait_on_bit+0x66/0x90
>> [54739.077239] ? bit_wait+0x50/0x50
>> [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
>> [54739.078741] ? init_wait_var_entry+0x40/0x40
>> [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [54739.080748] do_writepages+0x1a/0x60
>> [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
>> [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [54739.084608] ? retarget_shared_pending+0x70/0x70
>> [54739.085049] do_fsync+0x38/0x60
>> [54739.085494] __x64_sys_fdatasync+0x13/0x20
>> [54739.085944] do_syscall_64+0x55/0x1a0
>> [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [54739.086850] RIP: 0033:0x7f1db3fc85f0
>> [54739.087310] Code: Bad RIP value.
>> [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
>> [54859.900863] Not tainted 5.3.0-rc8 #1
>> [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [54859.902909] rsync D 0 9830 9829 0x00004002
>> [54859.903930] Call Trace:
>> [54859.904888] ? __schedule+0x3cf/0x680
>> [54859.905831] ? bit_wait+0x50/0x50
>> [54859.906751] schedule+0x39/0xa0
>> [54859.907653] io_schedule+0x12/0x40
>> [54859.908535] bit_wait_io+0xd/0x50
>> [54859.909441] __wait_on_bit+0x66/0x90
>> [54859.910306] ? bit_wait+0x50/0x50
>> [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
>> [54859.912043] ? init_wait_var_entry+0x40/0x40
>> [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [54859.914276] do_writepages+0x1a/0x60
>> [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
>> [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [54859.917903] ? retarget_shared_pending+0x70/0x70
>> [54859.918307] do_fsync+0x38/0x60
>> [54859.918707] __x64_sys_fdatasync+0x13/0x20
>> [54859.919106] do_syscall_64+0x55/0x1a0
>> [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [54859.919866] RIP: 0033:0x7f1db3fc85f0
>> [54859.920243] Code: Bad RIP value.
>> [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
>> [54980.734061] Not tainted 5.3.0-rc8 #1
>> [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [54980.735209] rsync D 0 9830 9829 0x00004002
>> [54980.735802] Call Trace:
>> [54980.736473] ? __schedule+0x3cf/0x680
>> [54980.737054] ? bit_wait+0x50/0x50
>> [54980.737664] schedule+0x39/0xa0
>> [54980.738243] io_schedule+0x12/0x40
>> [54980.738712] bit_wait_io+0xd/0x50
>> [54980.739171] __wait_on_bit+0x66/0x90
>> [54980.739623] ? bit_wait+0x50/0x50
>> [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
>> [54980.740548] ? init_wait_var_entry+0x40/0x40
>> [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [54980.743045] do_writepages+0x1a/0x60
>> [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
>> [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [54980.747575] ? retarget_shared_pending+0x70/0x70
>> [54980.748059] do_fsync+0x38/0x60
>> [54980.748539] __x64_sys_fdatasync+0x13/0x20
>> [54980.749012] do_syscall_64+0x55/0x1a0
>> [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [54980.749995] RIP: 0033:0x7f1db3fc85f0
>> [54980.750368] Code: Bad RIP value.
>> [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
>> [55101.567775] Not tainted 5.3.0-rc8 #1
>> [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55101.568649] rsync D 0 9830 9829 0x00004002
>> [55101.569101] Call Trace:
>> [55101.569609] ? __schedule+0x3cf/0x680
>> [55101.570052] ? bit_wait+0x50/0x50
>> [55101.570504] schedule+0x39/0xa0
>> [55101.570938] io_schedule+0x12/0x40
>> [55101.571404] bit_wait_io+0xd/0x50
>> [55101.571934] __wait_on_bit+0x66/0x90
>> [55101.572601] ? bit_wait+0x50/0x50
>> [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
>> [55101.573599] ? init_wait_var_entry+0x40/0x40
>> [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55101.575580] do_writepages+0x1a/0x60
>> [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
>> [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55101.579139] ? retarget_shared_pending+0x70/0x70
>> [55101.579543] do_fsync+0x38/0x60
>> [55101.579928] __x64_sys_fdatasync+0x13/0x20
>> [55101.580312] do_syscall_64+0x55/0x1a0
>> [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55101.581086] RIP: 0033:0x7f1db3fc85f0
>> [55101.581463] Code: Bad RIP value.
>> [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
>> [55222.405773] Not tainted 5.3.0-rc8 #1
>> [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55222.407158] rsync D 0 9830 9829 0x00004002
>> [55222.407776] Call Trace:
>> [55222.408450] ? __schedule+0x3cf/0x680
>> [55222.409206] ? bit_wait+0x50/0x50
>> [55222.409942] schedule+0x39/0xa0
>> [55222.410658] io_schedule+0x12/0x40
>> [55222.411346] bit_wait_io+0xd/0x50
>> [55222.411946] __wait_on_bit+0x66/0x90
>> [55222.412572] ? bit_wait+0x50/0x50
>> [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
>> [55222.413944] ? init_wait_var_entry+0x40/0x40
>> [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55222.417505] do_writepages+0x1a/0x60
>> [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
>> [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55222.424140] ? retarget_shared_pending+0x70/0x70
>> [55222.424861] do_fsync+0x38/0x60
>> [55222.425581] __x64_sys_fdatasync+0x13/0x20
>> [55222.426308] do_syscall_64+0x55/0x1a0
>> [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55222.427732] RIP: 0033:0x7f1db3fc85f0
>> [55222.428396] Code: Bad RIP value.
>> [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
>> [55343.235887] Not tainted 5.3.0-rc8 #1
>> [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55343.237213] rsync D 0 9830 9829 0x00004002
>> [55343.237766] Call Trace:
>> [55343.238353] ? __schedule+0x3cf/0x680
>> [55343.238971] ? bit_wait+0x50/0x50
>> [55343.239592] schedule+0x39/0xa0
>> [55343.240173] io_schedule+0x12/0x40
>> [55343.240721] bit_wait_io+0xd/0x50
>> [55343.241266] __wait_on_bit+0x66/0x90
>> [55343.241835] ? bit_wait+0x50/0x50
>> [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
>> [55343.242938] ? init_wait_var_entry+0x40/0x40
>> [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55343.245843] do_writepages+0x1a/0x60
>> [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
>> [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55343.251139] ? retarget_shared_pending+0x70/0x70
>> [55343.251628] do_fsync+0x38/0x60
>> [55343.252208] __x64_sys_fdatasync+0x13/0x20
>> [55343.252702] do_syscall_64+0x55/0x1a0
>> [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55343.253798] RIP: 0033:0x7f1db3fc85f0
>> [55343.254294] Code: Bad RIP value.
>> [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
>> [55464.069701] Not tainted 5.3.0-rc8 #1
>> [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55464.071637] rsync D 0 9830 9829 0x00004002
>> [55464.072637] Call Trace:
>> [55464.073623] ? __schedule+0x3cf/0x680
>> [55464.074604] ? bit_wait+0x50/0x50
>> [55464.075577] schedule+0x39/0xa0
>> [55464.076531] io_schedule+0x12/0x40
>> [55464.077480] bit_wait_io+0xd/0x50
>> [55464.078400] __wait_on_bit+0x66/0x90
>> [55464.079300] ? bit_wait+0x50/0x50
>> [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
>> [55464.081107] ? init_wait_var_entry+0x40/0x40
>> [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55464.085456] do_writepages+0x1a/0x60
>> [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
>> [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55464.089043] ? retarget_shared_pending+0x70/0x70
>> [55464.089429] do_fsync+0x38/0x60
>> [55464.089811] __x64_sys_fdatasync+0x13/0x20
>> [55464.090190] do_syscall_64+0x55/0x1a0
>> [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55464.090944] RIP: 0033:0x7f1db3fc85f0
>> [55464.091321] Code: Bad RIP value.
>> [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
>> [55584.903748] Not tainted 5.3.0-rc8 #1
>> [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55584.906023] rsync D 0 9830 9829 0x00004002
>> [55584.907207] Call Trace:
>> [55584.908355] ? __schedule+0x3cf/0x680
>> [55584.909507] ? bit_wait+0x50/0x50
>> [55584.910682] schedule+0x39/0xa0
>> [55584.911230] io_schedule+0x12/0x40
>> [55584.911666] bit_wait_io+0xd/0x50
>> [55584.912092] __wait_on_bit+0x66/0x90
>> [55584.912510] ? bit_wait+0x50/0x50
>> [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
>> [55584.913343] ? init_wait_var_entry+0x40/0x40
>> [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55584.915588] do_writepages+0x1a/0x60
>> [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
>> [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55584.919679] ? retarget_shared_pending+0x70/0x70
>> [55584.920122] do_fsync+0x38/0x60
>> [55584.920559] __x64_sys_fdatasync+0x13/0x20
>> [55584.920996] do_syscall_64+0x55/0x1a0
>> [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55584.921865] RIP: 0033:0x7f1db3fc85f0
>> [55584.922298] Code: Bad RIP value.
>> [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
>> [55705.736999] Not tainted 5.3.0-rc8 #1
>> [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55705.738411] rsync D 0 9830 9829 0x00004002
>> [55705.739072] Call Trace:
>> [55705.739455] ? __schedule+0x3cf/0x680
>> [55705.739837] ? bit_wait+0x50/0x50
>> [55705.740215] schedule+0x39/0xa0
>> [55705.740610] io_schedule+0x12/0x40
>> [55705.741243] bit_wait_io+0xd/0x50
>> [55705.741897] __wait_on_bit+0x66/0x90
>> [55705.742524] ? bit_wait+0x50/0x50
>> [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
>> [55705.743750] ? init_wait_var_entry+0x40/0x40
>> [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55705.746753] do_writepages+0x1a/0x60
>> [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
>> [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55705.752981] ? retarget_shared_pending+0x70/0x70
>> [55705.753686] do_fsync+0x38/0x60
>> [55705.754340] __x64_sys_fdatasync+0x13/0x20
>> [55705.755012] do_syscall_64+0x55/0x1a0
>> [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55705.756375] RIP: 0033:0x7f1db3fc85f0
>> [55705.757042] Code: Bad RIP value.
>> [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>> [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
>> [55826.571349] Not tainted 5.3.0-rc8 #1
>> [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [55826.573618] rsync D 0 9830 9829 0x00004002
>> [55826.574790] Call Trace:
>> [55826.575932] ? __schedule+0x3cf/0x680
>> [55826.577079] ? bit_wait+0x50/0x50
>> [55826.578233] schedule+0x39/0xa0
>> [55826.579350] io_schedule+0x12/0x40
>> [55826.580451] bit_wait_io+0xd/0x50
>> [55826.581527] __wait_on_bit+0x66/0x90
>> [55826.582596] ? bit_wait+0x50/0x50
>> [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
>> [55826.583550] ? init_wait_var_entry+0x40/0x40
>> [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>> [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
>> [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>> [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
>> [55826.585547] do_writepages+0x1a/0x60
>> [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
>> [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>> [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>> [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>> [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>> [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>> [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
>> [55826.589219] ? retarget_shared_pending+0x70/0x70
>> [55826.589617] do_fsync+0x38/0x60
>> [55826.590011] __x64_sys_fdatasync+0x13/0x20
>> [55826.590411] do_syscall_64+0x55/0x1a0
>> [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [55826.591185] RIP: 0033:0x7f1db3fc85f0
>> [55826.591572] Code: Bad RIP value.
>> [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>> 000000000000004b
>> [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>> 00007f1db3fc85f0
>> [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>> 0000000000000001
>> [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
>> 0000000081c492ca
>> [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
>> 0000000000000028
>> [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>> 0000000000000000
>>
>>
>> Greets,
>> Stefan
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
2019-09-11 7:09 ` 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI) Michal Hocko
2019-09-11 14:09 ` Stefan Priebe - Profihost AG
@ 2019-09-11 14:56 ` Filipe Manana
2019-09-11 15:39 ` Stefan Priebe - Profihost AG
1 sibling, 1 reply; 7+ messages in thread
From: Filipe Manana @ 2019-09-11 14:56 UTC (permalink / raw)
To: Michal Hocko
Cc: Stefan Priebe - Profihost AG, linux-mm, l.roehrs, cgroups,
Johannes Weiner, Vlastimil Babka, Jens Axboe, linux-block,
linux-fsdevel, David Sterba, linux-btrfs
On Wed, Sep 11, 2019 at 8:10 AM Michal Hocko <mhocko@kernel.org> wrote:
>
> This smells like IO/Btrfs issue to me. Cc some more people.
>
> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
> [...]
> > Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
> > on backup disk completely hangs / is blocked at 100% i/o:
> > [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
> > [54739.066973] Not tainted 5.3.0-rc8 #1
> > [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [54739.069065] rsync D 0 9830 9829 0x00004002
> > [54739.070146] Call Trace:
> > [54739.071183] ? __schedule+0x3cf/0x680
> > [54739.072202] ? bit_wait+0x50/0x50
> > [54739.073196] schedule+0x39/0xa0
> > [54739.074213] io_schedule+0x12/0x40
> > [54739.075219] bit_wait_io+0xd/0x50
> > [54739.076227] __wait_on_bit+0x66/0x90
> > [54739.077239] ? bit_wait+0x50/0x50
> > [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
> > [54739.078741] ? init_wait_var_entry+0x40/0x40
> > [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [54739.080748] do_writepages+0x1a/0x60
> > [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
> > [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [54739.084608] ? retarget_shared_pending+0x70/0x70
> > [54739.085049] do_fsync+0x38/0x60
> > [54739.085494] __x64_sys_fdatasync+0x13/0x20
> > [54739.085944] do_syscall_64+0x55/0x1a0
> > [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [54739.086850] RIP: 0033:0x7f1db3fc85f0
> > [54739.087310] Code: Bad RIP value.
It's a regression introduced in 5.2
Fix just sent: https://lore.kernel.org/linux-btrfs/20190911145542.1125-1-fdmanana@kernel.org/T/#u
Thanks.
> > [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
> > [54859.900863] Not tainted 5.3.0-rc8 #1
> > [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [54859.902909] rsync D 0 9830 9829 0x00004002
> > [54859.903930] Call Trace:
> > [54859.904888] ? __schedule+0x3cf/0x680
> > [54859.905831] ? bit_wait+0x50/0x50
> > [54859.906751] schedule+0x39/0xa0
> > [54859.907653] io_schedule+0x12/0x40
> > [54859.908535] bit_wait_io+0xd/0x50
> > [54859.909441] __wait_on_bit+0x66/0x90
> > [54859.910306] ? bit_wait+0x50/0x50
> > [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
> > [54859.912043] ? init_wait_var_entry+0x40/0x40
> > [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [54859.914276] do_writepages+0x1a/0x60
> > [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
> > [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [54859.917903] ? retarget_shared_pending+0x70/0x70
> > [54859.918307] do_fsync+0x38/0x60
> > [54859.918707] __x64_sys_fdatasync+0x13/0x20
> > [54859.919106] do_syscall_64+0x55/0x1a0
> > [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [54859.919866] RIP: 0033:0x7f1db3fc85f0
> > [54859.920243] Code: Bad RIP value.
> > [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
> > [54980.734061] Not tainted 5.3.0-rc8 #1
> > [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [54980.735209] rsync D 0 9830 9829 0x00004002
> > [54980.735802] Call Trace:
> > [54980.736473] ? __schedule+0x3cf/0x680
> > [54980.737054] ? bit_wait+0x50/0x50
> > [54980.737664] schedule+0x39/0xa0
> > [54980.738243] io_schedule+0x12/0x40
> > [54980.738712] bit_wait_io+0xd/0x50
> > [54980.739171] __wait_on_bit+0x66/0x90
> > [54980.739623] ? bit_wait+0x50/0x50
> > [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
> > [54980.740548] ? init_wait_var_entry+0x40/0x40
> > [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [54980.743045] do_writepages+0x1a/0x60
> > [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
> > [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [54980.747575] ? retarget_shared_pending+0x70/0x70
> > [54980.748059] do_fsync+0x38/0x60
> > [54980.748539] __x64_sys_fdatasync+0x13/0x20
> > [54980.749012] do_syscall_64+0x55/0x1a0
> > [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [54980.749995] RIP: 0033:0x7f1db3fc85f0
> > [54980.750368] Code: Bad RIP value.
> > [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
> > [55101.567775] Not tainted 5.3.0-rc8 #1
> > [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55101.568649] rsync D 0 9830 9829 0x00004002
> > [55101.569101] Call Trace:
> > [55101.569609] ? __schedule+0x3cf/0x680
> > [55101.570052] ? bit_wait+0x50/0x50
> > [55101.570504] schedule+0x39/0xa0
> > [55101.570938] io_schedule+0x12/0x40
> > [55101.571404] bit_wait_io+0xd/0x50
> > [55101.571934] __wait_on_bit+0x66/0x90
> > [55101.572601] ? bit_wait+0x50/0x50
> > [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
> > [55101.573599] ? init_wait_var_entry+0x40/0x40
> > [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55101.575580] do_writepages+0x1a/0x60
> > [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
> > [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55101.579139] ? retarget_shared_pending+0x70/0x70
> > [55101.579543] do_fsync+0x38/0x60
> > [55101.579928] __x64_sys_fdatasync+0x13/0x20
> > [55101.580312] do_syscall_64+0x55/0x1a0
> > [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55101.581086] RIP: 0033:0x7f1db3fc85f0
> > [55101.581463] Code: Bad RIP value.
> > [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
> > [55222.405773] Not tainted 5.3.0-rc8 #1
> > [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55222.407158] rsync D 0 9830 9829 0x00004002
> > [55222.407776] Call Trace:
> > [55222.408450] ? __schedule+0x3cf/0x680
> > [55222.409206] ? bit_wait+0x50/0x50
> > [55222.409942] schedule+0x39/0xa0
> > [55222.410658] io_schedule+0x12/0x40
> > [55222.411346] bit_wait_io+0xd/0x50
> > [55222.411946] __wait_on_bit+0x66/0x90
> > [55222.412572] ? bit_wait+0x50/0x50
> > [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
> > [55222.413944] ? init_wait_var_entry+0x40/0x40
> > [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55222.417505] do_writepages+0x1a/0x60
> > [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
> > [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55222.424140] ? retarget_shared_pending+0x70/0x70
> > [55222.424861] do_fsync+0x38/0x60
> > [55222.425581] __x64_sys_fdatasync+0x13/0x20
> > [55222.426308] do_syscall_64+0x55/0x1a0
> > [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55222.427732] RIP: 0033:0x7f1db3fc85f0
> > [55222.428396] Code: Bad RIP value.
> > [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
> > [55343.235887] Not tainted 5.3.0-rc8 #1
> > [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55343.237213] rsync D 0 9830 9829 0x00004002
> > [55343.237766] Call Trace:
> > [55343.238353] ? __schedule+0x3cf/0x680
> > [55343.238971] ? bit_wait+0x50/0x50
> > [55343.239592] schedule+0x39/0xa0
> > [55343.240173] io_schedule+0x12/0x40
> > [55343.240721] bit_wait_io+0xd/0x50
> > [55343.241266] __wait_on_bit+0x66/0x90
> > [55343.241835] ? bit_wait+0x50/0x50
> > [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
> > [55343.242938] ? init_wait_var_entry+0x40/0x40
> > [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55343.245843] do_writepages+0x1a/0x60
> > [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
> > [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55343.251139] ? retarget_shared_pending+0x70/0x70
> > [55343.251628] do_fsync+0x38/0x60
> > [55343.252208] __x64_sys_fdatasync+0x13/0x20
> > [55343.252702] do_syscall_64+0x55/0x1a0
> > [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55343.253798] RIP: 0033:0x7f1db3fc85f0
> > [55343.254294] Code: Bad RIP value.
> > [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
> > [55464.069701] Not tainted 5.3.0-rc8 #1
> > [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55464.071637] rsync D 0 9830 9829 0x00004002
> > [55464.072637] Call Trace:
> > [55464.073623] ? __schedule+0x3cf/0x680
> > [55464.074604] ? bit_wait+0x50/0x50
> > [55464.075577] schedule+0x39/0xa0
> > [55464.076531] io_schedule+0x12/0x40
> > [55464.077480] bit_wait_io+0xd/0x50
> > [55464.078400] __wait_on_bit+0x66/0x90
> > [55464.079300] ? bit_wait+0x50/0x50
> > [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
> > [55464.081107] ? init_wait_var_entry+0x40/0x40
> > [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55464.085456] do_writepages+0x1a/0x60
> > [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
> > [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55464.089043] ? retarget_shared_pending+0x70/0x70
> > [55464.089429] do_fsync+0x38/0x60
> > [55464.089811] __x64_sys_fdatasync+0x13/0x20
> > [55464.090190] do_syscall_64+0x55/0x1a0
> > [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55464.090944] RIP: 0033:0x7f1db3fc85f0
> > [55464.091321] Code: Bad RIP value.
> > [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
> > [55584.903748] Not tainted 5.3.0-rc8 #1
> > [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55584.906023] rsync D 0 9830 9829 0x00004002
> > [55584.907207] Call Trace:
> > [55584.908355] ? __schedule+0x3cf/0x680
> > [55584.909507] ? bit_wait+0x50/0x50
> > [55584.910682] schedule+0x39/0xa0
> > [55584.911230] io_schedule+0x12/0x40
> > [55584.911666] bit_wait_io+0xd/0x50
> > [55584.912092] __wait_on_bit+0x66/0x90
> > [55584.912510] ? bit_wait+0x50/0x50
> > [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
> > [55584.913343] ? init_wait_var_entry+0x40/0x40
> > [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55584.915588] do_writepages+0x1a/0x60
> > [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
> > [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55584.919679] ? retarget_shared_pending+0x70/0x70
> > [55584.920122] do_fsync+0x38/0x60
> > [55584.920559] __x64_sys_fdatasync+0x13/0x20
> > [55584.920996] do_syscall_64+0x55/0x1a0
> > [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55584.921865] RIP: 0033:0x7f1db3fc85f0
> > [55584.922298] Code: Bad RIP value.
> > [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
> > [55705.736999] Not tainted 5.3.0-rc8 #1
> > [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55705.738411] rsync D 0 9830 9829 0x00004002
> > [55705.739072] Call Trace:
> > [55705.739455] ? __schedule+0x3cf/0x680
> > [55705.739837] ? bit_wait+0x50/0x50
> > [55705.740215] schedule+0x39/0xa0
> > [55705.740610] io_schedule+0x12/0x40
> > [55705.741243] bit_wait_io+0xd/0x50
> > [55705.741897] __wait_on_bit+0x66/0x90
> > [55705.742524] ? bit_wait+0x50/0x50
> > [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
> > [55705.743750] ? init_wait_var_entry+0x40/0x40
> > [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55705.746753] do_writepages+0x1a/0x60
> > [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
> > [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55705.752981] ? retarget_shared_pending+0x70/0x70
> > [55705.753686] do_fsync+0x38/0x60
> > [55705.754340] __x64_sys_fdatasync+0x13/0x20
> > [55705.755012] do_syscall_64+0x55/0x1a0
> > [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55705.756375] RIP: 0033:0x7f1db3fc85f0
> > [55705.757042] Code: Bad RIP value.
> > [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> > [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
> > [55826.571349] Not tainted 5.3.0-rc8 #1
> > [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > [55826.573618] rsync D 0 9830 9829 0x00004002
> > [55826.574790] Call Trace:
> > [55826.575932] ? __schedule+0x3cf/0x680
> > [55826.577079] ? bit_wait+0x50/0x50
> > [55826.578233] schedule+0x39/0xa0
> > [55826.579350] io_schedule+0x12/0x40
> > [55826.580451] bit_wait_io+0xd/0x50
> > [55826.581527] __wait_on_bit+0x66/0x90
> > [55826.582596] ? bit_wait+0x50/0x50
> > [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
> > [55826.583550] ? init_wait_var_entry+0x40/0x40
> > [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> > [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
> > [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> > [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
> > [55826.585547] do_writepages+0x1a/0x60
> > [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
> > [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> > [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> > [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> > [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> > [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> > [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
> > [55826.589219] ? retarget_shared_pending+0x70/0x70
> > [55826.589617] do_fsync+0x38/0x60
> > [55826.590011] __x64_sys_fdatasync+0x13/0x20
> > [55826.590411] do_syscall_64+0x55/0x1a0
> > [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> > [55826.591185] RIP: 0033:0x7f1db3fc85f0
> > [55826.591572] Code: Bad RIP value.
> > [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> > 000000000000004b
> > [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> > 00007f1db3fc85f0
> > [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> > 0000000000000001
> > [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
> > 0000000081c492ca
> > [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
> > 0000000000000028
> > [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> > 0000000000000000
> >
> >
> > Greets,
> > Stefan
>
> --
> Michal Hocko
> SUSE Labs
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
2019-09-11 14:56 ` Filipe Manana
@ 2019-09-11 15:39 ` Stefan Priebe - Profihost AG
2019-09-11 15:56 ` Filipe Manana
0 siblings, 1 reply; 7+ messages in thread
From: Stefan Priebe - Profihost AG @ 2019-09-11 15:39 UTC (permalink / raw)
To: Filipe Manana
Cc: Michal Hocko, linux-mm, l.roehrs, cgroups, Johannes Weiner,
Vlastimil Babka, Jens Axboe, linux-block, linux-fsdevel,
David Sterba, linux-btrfs
Thanks! Is this the same as for the 5.3-rc8 I tested? Stacktrace looked different to me.
Stefan
> Am 11.09.2019 um 16:56 schrieb Filipe Manana <fdmanana@kernel.org>:
>
>> On Wed, Sep 11, 2019 at 8:10 AM Michal Hocko <mhocko@kernel.org> wrote:
>>
>> This smells like IO/Btrfs issue to me. Cc some more people.
>>
>>> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
>>> [...]
>>> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
>>> on backup disk completely hangs / is blocked at 100% i/o:
>>> [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
>>> [54739.066973] Not tainted 5.3.0-rc8 #1
>>> [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [54739.069065] rsync D 0 9830 9829 0x00004002
>>> [54739.070146] Call Trace:
>>> [54739.071183] ? __schedule+0x3cf/0x680
>>> [54739.072202] ? bit_wait+0x50/0x50
>>> [54739.073196] schedule+0x39/0xa0
>>> [54739.074213] io_schedule+0x12/0x40
>>> [54739.075219] bit_wait_io+0xd/0x50
>>> [54739.076227] __wait_on_bit+0x66/0x90
>>> [54739.077239] ? bit_wait+0x50/0x50
>>> [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
>>> [54739.078741] ? init_wait_var_entry+0x40/0x40
>>> [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [54739.080748] do_writepages+0x1a/0x60
>>> [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
>>> [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [54739.084608] ? retarget_shared_pending+0x70/0x70
>>> [54739.085049] do_fsync+0x38/0x60
>>> [54739.085494] __x64_sys_fdatasync+0x13/0x20
>>> [54739.085944] do_syscall_64+0x55/0x1a0
>>> [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [54739.086850] RIP: 0033:0x7f1db3fc85f0
>>> [54739.087310] Code: Bad RIP value.
>
> It's a regression introduced in 5.2
> Fix just sent: https://lore.kernel.org/linux-btrfs/20190911145542.1125-1-fdmanana@kernel.org/T/#u
>
> Thanks.
>
>>> [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
>>> [54859.900863] Not tainted 5.3.0-rc8 #1
>>> [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [54859.902909] rsync D 0 9830 9829 0x00004002
>>> [54859.903930] Call Trace:
>>> [54859.904888] ? __schedule+0x3cf/0x680
>>> [54859.905831] ? bit_wait+0x50/0x50
>>> [54859.906751] schedule+0x39/0xa0
>>> [54859.907653] io_schedule+0x12/0x40
>>> [54859.908535] bit_wait_io+0xd/0x50
>>> [54859.909441] __wait_on_bit+0x66/0x90
>>> [54859.910306] ? bit_wait+0x50/0x50
>>> [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
>>> [54859.912043] ? init_wait_var_entry+0x40/0x40
>>> [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [54859.914276] do_writepages+0x1a/0x60
>>> [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
>>> [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [54859.917903] ? retarget_shared_pending+0x70/0x70
>>> [54859.918307] do_fsync+0x38/0x60
>>> [54859.918707] __x64_sys_fdatasync+0x13/0x20
>>> [54859.919106] do_syscall_64+0x55/0x1a0
>>> [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [54859.919866] RIP: 0033:0x7f1db3fc85f0
>>> [54859.920243] Code: Bad RIP value.
>>> [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
>>> [54980.734061] Not tainted 5.3.0-rc8 #1
>>> [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [54980.735209] rsync D 0 9830 9829 0x00004002
>>> [54980.735802] Call Trace:
>>> [54980.736473] ? __schedule+0x3cf/0x680
>>> [54980.737054] ? bit_wait+0x50/0x50
>>> [54980.737664] schedule+0x39/0xa0
>>> [54980.738243] io_schedule+0x12/0x40
>>> [54980.738712] bit_wait_io+0xd/0x50
>>> [54980.739171] __wait_on_bit+0x66/0x90
>>> [54980.739623] ? bit_wait+0x50/0x50
>>> [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
>>> [54980.740548] ? init_wait_var_entry+0x40/0x40
>>> [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [54980.743045] do_writepages+0x1a/0x60
>>> [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
>>> [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [54980.747575] ? retarget_shared_pending+0x70/0x70
>>> [54980.748059] do_fsync+0x38/0x60
>>> [54980.748539] __x64_sys_fdatasync+0x13/0x20
>>> [54980.749012] do_syscall_64+0x55/0x1a0
>>> [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [54980.749995] RIP: 0033:0x7f1db3fc85f0
>>> [54980.750368] Code: Bad RIP value.
>>> [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
>>> [55101.567775] Not tainted 5.3.0-rc8 #1
>>> [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55101.568649] rsync D 0 9830 9829 0x00004002
>>> [55101.569101] Call Trace:
>>> [55101.569609] ? __schedule+0x3cf/0x680
>>> [55101.570052] ? bit_wait+0x50/0x50
>>> [55101.570504] schedule+0x39/0xa0
>>> [55101.570938] io_schedule+0x12/0x40
>>> [55101.571404] bit_wait_io+0xd/0x50
>>> [55101.571934] __wait_on_bit+0x66/0x90
>>> [55101.572601] ? bit_wait+0x50/0x50
>>> [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55101.573599] ? init_wait_var_entry+0x40/0x40
>>> [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55101.575580] do_writepages+0x1a/0x60
>>> [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
>>> [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55101.579139] ? retarget_shared_pending+0x70/0x70
>>> [55101.579543] do_fsync+0x38/0x60
>>> [55101.579928] __x64_sys_fdatasync+0x13/0x20
>>> [55101.580312] do_syscall_64+0x55/0x1a0
>>> [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55101.581086] RIP: 0033:0x7f1db3fc85f0
>>> [55101.581463] Code: Bad RIP value.
>>> [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
>>> [55222.405773] Not tainted 5.3.0-rc8 #1
>>> [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55222.407158] rsync D 0 9830 9829 0x00004002
>>> [55222.407776] Call Trace:
>>> [55222.408450] ? __schedule+0x3cf/0x680
>>> [55222.409206] ? bit_wait+0x50/0x50
>>> [55222.409942] schedule+0x39/0xa0
>>> [55222.410658] io_schedule+0x12/0x40
>>> [55222.411346] bit_wait_io+0xd/0x50
>>> [55222.411946] __wait_on_bit+0x66/0x90
>>> [55222.412572] ? bit_wait+0x50/0x50
>>> [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55222.413944] ? init_wait_var_entry+0x40/0x40
>>> [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55222.417505] do_writepages+0x1a/0x60
>>> [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
>>> [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55222.424140] ? retarget_shared_pending+0x70/0x70
>>> [55222.424861] do_fsync+0x38/0x60
>>> [55222.425581] __x64_sys_fdatasync+0x13/0x20
>>> [55222.426308] do_syscall_64+0x55/0x1a0
>>> [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55222.427732] RIP: 0033:0x7f1db3fc85f0
>>> [55222.428396] Code: Bad RIP value.
>>> [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
>>> [55343.235887] Not tainted 5.3.0-rc8 #1
>>> [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55343.237213] rsync D 0 9830 9829 0x00004002
>>> [55343.237766] Call Trace:
>>> [55343.238353] ? __schedule+0x3cf/0x680
>>> [55343.238971] ? bit_wait+0x50/0x50
>>> [55343.239592] schedule+0x39/0xa0
>>> [55343.240173] io_schedule+0x12/0x40
>>> [55343.240721] bit_wait_io+0xd/0x50
>>> [55343.241266] __wait_on_bit+0x66/0x90
>>> [55343.241835] ? bit_wait+0x50/0x50
>>> [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55343.242938] ? init_wait_var_entry+0x40/0x40
>>> [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55343.245843] do_writepages+0x1a/0x60
>>> [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
>>> [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55343.251139] ? retarget_shared_pending+0x70/0x70
>>> [55343.251628] do_fsync+0x38/0x60
>>> [55343.252208] __x64_sys_fdatasync+0x13/0x20
>>> [55343.252702] do_syscall_64+0x55/0x1a0
>>> [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55343.253798] RIP: 0033:0x7f1db3fc85f0
>>> [55343.254294] Code: Bad RIP value.
>>> [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
>>> [55464.069701] Not tainted 5.3.0-rc8 #1
>>> [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55464.071637] rsync D 0 9830 9829 0x00004002
>>> [55464.072637] Call Trace:
>>> [55464.073623] ? __schedule+0x3cf/0x680
>>> [55464.074604] ? bit_wait+0x50/0x50
>>> [55464.075577] schedule+0x39/0xa0
>>> [55464.076531] io_schedule+0x12/0x40
>>> [55464.077480] bit_wait_io+0xd/0x50
>>> [55464.078400] __wait_on_bit+0x66/0x90
>>> [55464.079300] ? bit_wait+0x50/0x50
>>> [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55464.081107] ? init_wait_var_entry+0x40/0x40
>>> [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55464.085456] do_writepages+0x1a/0x60
>>> [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
>>> [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55464.089043] ? retarget_shared_pending+0x70/0x70
>>> [55464.089429] do_fsync+0x38/0x60
>>> [55464.089811] __x64_sys_fdatasync+0x13/0x20
>>> [55464.090190] do_syscall_64+0x55/0x1a0
>>> [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55464.090944] RIP: 0033:0x7f1db3fc85f0
>>> [55464.091321] Code: Bad RIP value.
>>> [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
>>> [55584.903748] Not tainted 5.3.0-rc8 #1
>>> [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55584.906023] rsync D 0 9830 9829 0x00004002
>>> [55584.907207] Call Trace:
>>> [55584.908355] ? __schedule+0x3cf/0x680
>>> [55584.909507] ? bit_wait+0x50/0x50
>>> [55584.910682] schedule+0x39/0xa0
>>> [55584.911230] io_schedule+0x12/0x40
>>> [55584.911666] bit_wait_io+0xd/0x50
>>> [55584.912092] __wait_on_bit+0x66/0x90
>>> [55584.912510] ? bit_wait+0x50/0x50
>>> [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55584.913343] ? init_wait_var_entry+0x40/0x40
>>> [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55584.915588] do_writepages+0x1a/0x60
>>> [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
>>> [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55584.919679] ? retarget_shared_pending+0x70/0x70
>>> [55584.920122] do_fsync+0x38/0x60
>>> [55584.920559] __x64_sys_fdatasync+0x13/0x20
>>> [55584.920996] do_syscall_64+0x55/0x1a0
>>> [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55584.921865] RIP: 0033:0x7f1db3fc85f0
>>> [55584.922298] Code: Bad RIP value.
>>> [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
>>> [55705.736999] Not tainted 5.3.0-rc8 #1
>>> [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55705.738411] rsync D 0 9830 9829 0x00004002
>>> [55705.739072] Call Trace:
>>> [55705.739455] ? __schedule+0x3cf/0x680
>>> [55705.739837] ? bit_wait+0x50/0x50
>>> [55705.740215] schedule+0x39/0xa0
>>> [55705.740610] io_schedule+0x12/0x40
>>> [55705.741243] bit_wait_io+0xd/0x50
>>> [55705.741897] __wait_on_bit+0x66/0x90
>>> [55705.742524] ? bit_wait+0x50/0x50
>>> [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55705.743750] ? init_wait_var_entry+0x40/0x40
>>> [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55705.746753] do_writepages+0x1a/0x60
>>> [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
>>> [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55705.752981] ? retarget_shared_pending+0x70/0x70
>>> [55705.753686] do_fsync+0x38/0x60
>>> [55705.754340] __x64_sys_fdatasync+0x13/0x20
>>> [55705.755012] do_syscall_64+0x55/0x1a0
>>> [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55705.756375] RIP: 0033:0x7f1db3fc85f0
>>> [55705.757042] Code: Bad RIP value.
>>> [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>> [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
>>> [55826.571349] Not tainted 5.3.0-rc8 #1
>>> [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>> disables this message.
>>> [55826.573618] rsync D 0 9830 9829 0x00004002
>>> [55826.574790] Call Trace:
>>> [55826.575932] ? __schedule+0x3cf/0x680
>>> [55826.577079] ? bit_wait+0x50/0x50
>>> [55826.578233] schedule+0x39/0xa0
>>> [55826.579350] io_schedule+0x12/0x40
>>> [55826.580451] bit_wait_io+0xd/0x50
>>> [55826.581527] __wait_on_bit+0x66/0x90
>>> [55826.582596] ? bit_wait+0x50/0x50
>>> [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
>>> [55826.583550] ? init_wait_var_entry+0x40/0x40
>>> [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>> [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>> [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>> [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>> [55826.585547] do_writepages+0x1a/0x60
>>> [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
>>> [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>> [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>> [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>> [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>> [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>> [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>> [55826.589219] ? retarget_shared_pending+0x70/0x70
>>> [55826.589617] do_fsync+0x38/0x60
>>> [55826.590011] __x64_sys_fdatasync+0x13/0x20
>>> [55826.590411] do_syscall_64+0x55/0x1a0
>>> [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>> [55826.591185] RIP: 0033:0x7f1db3fc85f0
>>> [55826.591572] Code: Bad RIP value.
>>> [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>> 000000000000004b
>>> [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>> 00007f1db3fc85f0
>>> [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>> 0000000000000001
>>> [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>> 0000000081c492ca
>>> [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
>>> 0000000000000028
>>> [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>> 0000000000000000
>>>
>>>
>>> Greets,
>>> Stefan
>>
>> --
>> Michal Hocko
>> SUSE Labs
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
2019-09-11 15:39 ` Stefan Priebe - Profihost AG
@ 2019-09-11 15:56 ` Filipe Manana
2019-09-11 16:15 ` Stefan Priebe - Profihost AG
0 siblings, 1 reply; 7+ messages in thread
From: Filipe Manana @ 2019-09-11 15:56 UTC (permalink / raw)
To: Stefan Priebe - Profihost AG
Cc: Michal Hocko, linux-mm, l.roehrs, cgroups, Johannes Weiner,
Vlastimil Babka, Jens Axboe, linux-block, linux-fsdevel,
David Sterba, linux-btrfs
On Wed, Sep 11, 2019 at 4:39 PM Stefan Priebe - Profihost AG
<s.priebe@profihost.ag> wrote:
>
> Thanks! Is this the same as for the 5.3-rc8 I tested? Stacktrace looked different to me.
I don't know, I can't see that backtrace. The thread was split and
I've only seen the one sent to the btrfs list.
>
> Stefan
>
> > Am 11.09.2019 um 16:56 schrieb Filipe Manana <fdmanana@kernel.org>:
> >
> >> On Wed, Sep 11, 2019 at 8:10 AM Michal Hocko <mhocko@kernel.org> wrote:
> >>
> >> This smells like IO/Btrfs issue to me. Cc some more people.
> >>
> >>> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
> >>> [...]
> >>> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
> >>> on backup disk completely hangs / is blocked at 100% i/o:
> >>> [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
> >>> [54739.066973] Not tainted 5.3.0-rc8 #1
> >>> [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [54739.069065] rsync D 0 9830 9829 0x00004002
> >>> [54739.070146] Call Trace:
> >>> [54739.071183] ? __schedule+0x3cf/0x680
> >>> [54739.072202] ? bit_wait+0x50/0x50
> >>> [54739.073196] schedule+0x39/0xa0
> >>> [54739.074213] io_schedule+0x12/0x40
> >>> [54739.075219] bit_wait_io+0xd/0x50
> >>> [54739.076227] __wait_on_bit+0x66/0x90
> >>> [54739.077239] ? bit_wait+0x50/0x50
> >>> [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [54739.078741] ? init_wait_var_entry+0x40/0x40
> >>> [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [54739.080748] do_writepages+0x1a/0x60
> >>> [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
> >>> [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [54739.084608] ? retarget_shared_pending+0x70/0x70
> >>> [54739.085049] do_fsync+0x38/0x60
> >>> [54739.085494] __x64_sys_fdatasync+0x13/0x20
> >>> [54739.085944] do_syscall_64+0x55/0x1a0
> >>> [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [54739.086850] RIP: 0033:0x7f1db3fc85f0
> >>> [54739.087310] Code: Bad RIP value.
> >
> > It's a regression introduced in 5.2
> > Fix just sent: https://lore.kernel.org/linux-btrfs/20190911145542.1125-1-fdmanana@kernel.org/T/#u
> >
> > Thanks.
> >
> >>> [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
> >>> [54859.900863] Not tainted 5.3.0-rc8 #1
> >>> [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [54859.902909] rsync D 0 9830 9829 0x00004002
> >>> [54859.903930] Call Trace:
> >>> [54859.904888] ? __schedule+0x3cf/0x680
> >>> [54859.905831] ? bit_wait+0x50/0x50
> >>> [54859.906751] schedule+0x39/0xa0
> >>> [54859.907653] io_schedule+0x12/0x40
> >>> [54859.908535] bit_wait_io+0xd/0x50
> >>> [54859.909441] __wait_on_bit+0x66/0x90
> >>> [54859.910306] ? bit_wait+0x50/0x50
> >>> [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [54859.912043] ? init_wait_var_entry+0x40/0x40
> >>> [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [54859.914276] do_writepages+0x1a/0x60
> >>> [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
> >>> [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [54859.917903] ? retarget_shared_pending+0x70/0x70
> >>> [54859.918307] do_fsync+0x38/0x60
> >>> [54859.918707] __x64_sys_fdatasync+0x13/0x20
> >>> [54859.919106] do_syscall_64+0x55/0x1a0
> >>> [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [54859.919866] RIP: 0033:0x7f1db3fc85f0
> >>> [54859.920243] Code: Bad RIP value.
> >>> [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
> >>> [54980.734061] Not tainted 5.3.0-rc8 #1
> >>> [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [54980.735209] rsync D 0 9830 9829 0x00004002
> >>> [54980.735802] Call Trace:
> >>> [54980.736473] ? __schedule+0x3cf/0x680
> >>> [54980.737054] ? bit_wait+0x50/0x50
> >>> [54980.737664] schedule+0x39/0xa0
> >>> [54980.738243] io_schedule+0x12/0x40
> >>> [54980.738712] bit_wait_io+0xd/0x50
> >>> [54980.739171] __wait_on_bit+0x66/0x90
> >>> [54980.739623] ? bit_wait+0x50/0x50
> >>> [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [54980.740548] ? init_wait_var_entry+0x40/0x40
> >>> [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [54980.743045] do_writepages+0x1a/0x60
> >>> [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
> >>> [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [54980.747575] ? retarget_shared_pending+0x70/0x70
> >>> [54980.748059] do_fsync+0x38/0x60
> >>> [54980.748539] __x64_sys_fdatasync+0x13/0x20
> >>> [54980.749012] do_syscall_64+0x55/0x1a0
> >>> [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [54980.749995] RIP: 0033:0x7f1db3fc85f0
> >>> [54980.750368] Code: Bad RIP value.
> >>> [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
> >>> [55101.567775] Not tainted 5.3.0-rc8 #1
> >>> [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55101.568649] rsync D 0 9830 9829 0x00004002
> >>> [55101.569101] Call Trace:
> >>> [55101.569609] ? __schedule+0x3cf/0x680
> >>> [55101.570052] ? bit_wait+0x50/0x50
> >>> [55101.570504] schedule+0x39/0xa0
> >>> [55101.570938] io_schedule+0x12/0x40
> >>> [55101.571404] bit_wait_io+0xd/0x50
> >>> [55101.571934] __wait_on_bit+0x66/0x90
> >>> [55101.572601] ? bit_wait+0x50/0x50
> >>> [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55101.573599] ? init_wait_var_entry+0x40/0x40
> >>> [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55101.575580] do_writepages+0x1a/0x60
> >>> [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55101.579139] ? retarget_shared_pending+0x70/0x70
> >>> [55101.579543] do_fsync+0x38/0x60
> >>> [55101.579928] __x64_sys_fdatasync+0x13/0x20
> >>> [55101.580312] do_syscall_64+0x55/0x1a0
> >>> [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55101.581086] RIP: 0033:0x7f1db3fc85f0
> >>> [55101.581463] Code: Bad RIP value.
> >>> [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
> >>> [55222.405773] Not tainted 5.3.0-rc8 #1
> >>> [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55222.407158] rsync D 0 9830 9829 0x00004002
> >>> [55222.407776] Call Trace:
> >>> [55222.408450] ? __schedule+0x3cf/0x680
> >>> [55222.409206] ? bit_wait+0x50/0x50
> >>> [55222.409942] schedule+0x39/0xa0
> >>> [55222.410658] io_schedule+0x12/0x40
> >>> [55222.411346] bit_wait_io+0xd/0x50
> >>> [55222.411946] __wait_on_bit+0x66/0x90
> >>> [55222.412572] ? bit_wait+0x50/0x50
> >>> [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55222.413944] ? init_wait_var_entry+0x40/0x40
> >>> [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55222.417505] do_writepages+0x1a/0x60
> >>> [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55222.424140] ? retarget_shared_pending+0x70/0x70
> >>> [55222.424861] do_fsync+0x38/0x60
> >>> [55222.425581] __x64_sys_fdatasync+0x13/0x20
> >>> [55222.426308] do_syscall_64+0x55/0x1a0
> >>> [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55222.427732] RIP: 0033:0x7f1db3fc85f0
> >>> [55222.428396] Code: Bad RIP value.
> >>> [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
> >>> [55343.235887] Not tainted 5.3.0-rc8 #1
> >>> [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55343.237213] rsync D 0 9830 9829 0x00004002
> >>> [55343.237766] Call Trace:
> >>> [55343.238353] ? __schedule+0x3cf/0x680
> >>> [55343.238971] ? bit_wait+0x50/0x50
> >>> [55343.239592] schedule+0x39/0xa0
> >>> [55343.240173] io_schedule+0x12/0x40
> >>> [55343.240721] bit_wait_io+0xd/0x50
> >>> [55343.241266] __wait_on_bit+0x66/0x90
> >>> [55343.241835] ? bit_wait+0x50/0x50
> >>> [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55343.242938] ? init_wait_var_entry+0x40/0x40
> >>> [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55343.245843] do_writepages+0x1a/0x60
> >>> [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55343.251139] ? retarget_shared_pending+0x70/0x70
> >>> [55343.251628] do_fsync+0x38/0x60
> >>> [55343.252208] __x64_sys_fdatasync+0x13/0x20
> >>> [55343.252702] do_syscall_64+0x55/0x1a0
> >>> [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55343.253798] RIP: 0033:0x7f1db3fc85f0
> >>> [55343.254294] Code: Bad RIP value.
> >>> [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
> >>> [55464.069701] Not tainted 5.3.0-rc8 #1
> >>> [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55464.071637] rsync D 0 9830 9829 0x00004002
> >>> [55464.072637] Call Trace:
> >>> [55464.073623] ? __schedule+0x3cf/0x680
> >>> [55464.074604] ? bit_wait+0x50/0x50
> >>> [55464.075577] schedule+0x39/0xa0
> >>> [55464.076531] io_schedule+0x12/0x40
> >>> [55464.077480] bit_wait_io+0xd/0x50
> >>> [55464.078400] __wait_on_bit+0x66/0x90
> >>> [55464.079300] ? bit_wait+0x50/0x50
> >>> [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55464.081107] ? init_wait_var_entry+0x40/0x40
> >>> [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55464.085456] do_writepages+0x1a/0x60
> >>> [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55464.089043] ? retarget_shared_pending+0x70/0x70
> >>> [55464.089429] do_fsync+0x38/0x60
> >>> [55464.089811] __x64_sys_fdatasync+0x13/0x20
> >>> [55464.090190] do_syscall_64+0x55/0x1a0
> >>> [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55464.090944] RIP: 0033:0x7f1db3fc85f0
> >>> [55464.091321] Code: Bad RIP value.
> >>> [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
> >>> [55584.903748] Not tainted 5.3.0-rc8 #1
> >>> [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55584.906023] rsync D 0 9830 9829 0x00004002
> >>> [55584.907207] Call Trace:
> >>> [55584.908355] ? __schedule+0x3cf/0x680
> >>> [55584.909507] ? bit_wait+0x50/0x50
> >>> [55584.910682] schedule+0x39/0xa0
> >>> [55584.911230] io_schedule+0x12/0x40
> >>> [55584.911666] bit_wait_io+0xd/0x50
> >>> [55584.912092] __wait_on_bit+0x66/0x90
> >>> [55584.912510] ? bit_wait+0x50/0x50
> >>> [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55584.913343] ? init_wait_var_entry+0x40/0x40
> >>> [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55584.915588] do_writepages+0x1a/0x60
> >>> [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55584.919679] ? retarget_shared_pending+0x70/0x70
> >>> [55584.920122] do_fsync+0x38/0x60
> >>> [55584.920559] __x64_sys_fdatasync+0x13/0x20
> >>> [55584.920996] do_syscall_64+0x55/0x1a0
> >>> [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55584.921865] RIP: 0033:0x7f1db3fc85f0
> >>> [55584.922298] Code: Bad RIP value.
> >>> [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
> >>> [55705.736999] Not tainted 5.3.0-rc8 #1
> >>> [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55705.738411] rsync D 0 9830 9829 0x00004002
> >>> [55705.739072] Call Trace:
> >>> [55705.739455] ? __schedule+0x3cf/0x680
> >>> [55705.739837] ? bit_wait+0x50/0x50
> >>> [55705.740215] schedule+0x39/0xa0
> >>> [55705.740610] io_schedule+0x12/0x40
> >>> [55705.741243] bit_wait_io+0xd/0x50
> >>> [55705.741897] __wait_on_bit+0x66/0x90
> >>> [55705.742524] ? bit_wait+0x50/0x50
> >>> [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55705.743750] ? init_wait_var_entry+0x40/0x40
> >>> [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55705.746753] do_writepages+0x1a/0x60
> >>> [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55705.752981] ? retarget_shared_pending+0x70/0x70
> >>> [55705.753686] do_fsync+0x38/0x60
> >>> [55705.754340] __x64_sys_fdatasync+0x13/0x20
> >>> [55705.755012] do_syscall_64+0x55/0x1a0
> >>> [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55705.756375] RIP: 0033:0x7f1db3fc85f0
> >>> [55705.757042] Code: Bad RIP value.
> >>> [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>> [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
> >>> [55826.571349] Not tainted 5.3.0-rc8 #1
> >>> [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>> disables this message.
> >>> [55826.573618] rsync D 0 9830 9829 0x00004002
> >>> [55826.574790] Call Trace:
> >>> [55826.575932] ? __schedule+0x3cf/0x680
> >>> [55826.577079] ? bit_wait+0x50/0x50
> >>> [55826.578233] schedule+0x39/0xa0
> >>> [55826.579350] io_schedule+0x12/0x40
> >>> [55826.580451] bit_wait_io+0xd/0x50
> >>> [55826.581527] __wait_on_bit+0x66/0x90
> >>> [55826.582596] ? bit_wait+0x50/0x50
> >>> [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
> >>> [55826.583550] ? init_wait_var_entry+0x40/0x40
> >>> [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>> [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>> [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>> [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>> [55826.585547] do_writepages+0x1a/0x60
> >>> [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
> >>> [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>> [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>> [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>> [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>> [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>> [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>> [55826.589219] ? retarget_shared_pending+0x70/0x70
> >>> [55826.589617] do_fsync+0x38/0x60
> >>> [55826.590011] __x64_sys_fdatasync+0x13/0x20
> >>> [55826.590411] do_syscall_64+0x55/0x1a0
> >>> [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>> [55826.591185] RIP: 0033:0x7f1db3fc85f0
> >>> [55826.591572] Code: Bad RIP value.
> >>> [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>> 000000000000004b
> >>> [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>> 00007f1db3fc85f0
> >>> [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>> 0000000000000001
> >>> [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>> 0000000081c492ca
> >>> [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>> 0000000000000028
> >>> [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>> 0000000000000000
> >>>
> >>>
> >>> Greets,
> >>> Stefan
> >>
> >> --
> >> Michal Hocko
> >> SUSE Labs
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
2019-09-11 15:56 ` Filipe Manana
@ 2019-09-11 16:15 ` Stefan Priebe - Profihost AG
2019-09-11 16:19 ` Filipe Manana
0 siblings, 1 reply; 7+ messages in thread
From: Stefan Priebe - Profihost AG @ 2019-09-11 16:15 UTC (permalink / raw)
To: Filipe Manana
Cc: Michal Hocko, linux-mm, l.roehrs, cgroups, Johannes Weiner,
Vlastimil Babka, Jens Axboe, linux-block, linux-fsdevel,
David Sterba, linux-btrfs
Am 11.09.19 um 17:56 schrieb Filipe Manana:
> On Wed, Sep 11, 2019 at 4:39 PM Stefan Priebe - Profihost AG
> <s.priebe@profihost.ag> wrote:
>>
>> Thanks! Is this the same as for the 5.3-rc8 I tested? Stacktrace looked different to me.
>
> I don't know, I can't see that backtrace. The thread was split and
> I've only seen the one sent to the btrfs list.
Hi,
strange.
This is the 5.3-rc8 stacktrace:
https://lore.kernel.org/linux-mm/d07620d9-4967-40fe-fa0f-be51f2459dc5@profihost.ag/
and this the 5.2.14:
https://lore.kernel.org/linux-mm/289fbe71-0472-520f-64e2-b6d07ced5436@profihost.ag/
Greets,
Stefan
>>
>> Stefan
>>
>>> Am 11.09.2019 um 16:56 schrieb Filipe Manana <fdmanana@kernel.org>:
>>>
>>>> On Wed, Sep 11, 2019 at 8:10 AM Michal Hocko <mhocko@kernel.org> wrote:
>>>>
>>>> This smells like IO/Btrfs issue to me. Cc some more people.
>>>>
>>>>> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
>>>>> [...]
>>>>> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
>>>>> on backup disk completely hangs / is blocked at 100% i/o:
>>>>> [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
>>>>> [54739.066973] Not tainted 5.3.0-rc8 #1
>>>>> [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [54739.069065] rsync D 0 9830 9829 0x00004002
>>>>> [54739.070146] Call Trace:
>>>>> [54739.071183] ? __schedule+0x3cf/0x680
>>>>> [54739.072202] ? bit_wait+0x50/0x50
>>>>> [54739.073196] schedule+0x39/0xa0
>>>>> [54739.074213] io_schedule+0x12/0x40
>>>>> [54739.075219] bit_wait_io+0xd/0x50
>>>>> [54739.076227] __wait_on_bit+0x66/0x90
>>>>> [54739.077239] ? bit_wait+0x50/0x50
>>>>> [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [54739.078741] ? init_wait_var_entry+0x40/0x40
>>>>> [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [54739.080748] do_writepages+0x1a/0x60
>>>>> [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [54739.084608] ? retarget_shared_pending+0x70/0x70
>>>>> [54739.085049] do_fsync+0x38/0x60
>>>>> [54739.085494] __x64_sys_fdatasync+0x13/0x20
>>>>> [54739.085944] do_syscall_64+0x55/0x1a0
>>>>> [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [54739.086850] RIP: 0033:0x7f1db3fc85f0
>>>>> [54739.087310] Code: Bad RIP value.
>>>
>>> It's a regression introduced in 5.2
>>> Fix just sent: https://lore.kernel.org/linux-btrfs/20190911145542.1125-1-fdmanana@kernel.org/T/#u
>>>
>>> Thanks.
>>>
>>>>> [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
>>>>> [54859.900863] Not tainted 5.3.0-rc8 #1
>>>>> [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [54859.902909] rsync D 0 9830 9829 0x00004002
>>>>> [54859.903930] Call Trace:
>>>>> [54859.904888] ? __schedule+0x3cf/0x680
>>>>> [54859.905831] ? bit_wait+0x50/0x50
>>>>> [54859.906751] schedule+0x39/0xa0
>>>>> [54859.907653] io_schedule+0x12/0x40
>>>>> [54859.908535] bit_wait_io+0xd/0x50
>>>>> [54859.909441] __wait_on_bit+0x66/0x90
>>>>> [54859.910306] ? bit_wait+0x50/0x50
>>>>> [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [54859.912043] ? init_wait_var_entry+0x40/0x40
>>>>> [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [54859.914276] do_writepages+0x1a/0x60
>>>>> [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [54859.917903] ? retarget_shared_pending+0x70/0x70
>>>>> [54859.918307] do_fsync+0x38/0x60
>>>>> [54859.918707] __x64_sys_fdatasync+0x13/0x20
>>>>> [54859.919106] do_syscall_64+0x55/0x1a0
>>>>> [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [54859.919866] RIP: 0033:0x7f1db3fc85f0
>>>>> [54859.920243] Code: Bad RIP value.
>>>>> [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
>>>>> [54980.734061] Not tainted 5.3.0-rc8 #1
>>>>> [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [54980.735209] rsync D 0 9830 9829 0x00004002
>>>>> [54980.735802] Call Trace:
>>>>> [54980.736473] ? __schedule+0x3cf/0x680
>>>>> [54980.737054] ? bit_wait+0x50/0x50
>>>>> [54980.737664] schedule+0x39/0xa0
>>>>> [54980.738243] io_schedule+0x12/0x40
>>>>> [54980.738712] bit_wait_io+0xd/0x50
>>>>> [54980.739171] __wait_on_bit+0x66/0x90
>>>>> [54980.739623] ? bit_wait+0x50/0x50
>>>>> [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [54980.740548] ? init_wait_var_entry+0x40/0x40
>>>>> [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [54980.743045] do_writepages+0x1a/0x60
>>>>> [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [54980.747575] ? retarget_shared_pending+0x70/0x70
>>>>> [54980.748059] do_fsync+0x38/0x60
>>>>> [54980.748539] __x64_sys_fdatasync+0x13/0x20
>>>>> [54980.749012] do_syscall_64+0x55/0x1a0
>>>>> [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [54980.749995] RIP: 0033:0x7f1db3fc85f0
>>>>> [54980.750368] Code: Bad RIP value.
>>>>> [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
>>>>> [55101.567775] Not tainted 5.3.0-rc8 #1
>>>>> [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55101.568649] rsync D 0 9830 9829 0x00004002
>>>>> [55101.569101] Call Trace:
>>>>> [55101.569609] ? __schedule+0x3cf/0x680
>>>>> [55101.570052] ? bit_wait+0x50/0x50
>>>>> [55101.570504] schedule+0x39/0xa0
>>>>> [55101.570938] io_schedule+0x12/0x40
>>>>> [55101.571404] bit_wait_io+0xd/0x50
>>>>> [55101.571934] __wait_on_bit+0x66/0x90
>>>>> [55101.572601] ? bit_wait+0x50/0x50
>>>>> [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55101.573599] ? init_wait_var_entry+0x40/0x40
>>>>> [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55101.575580] do_writepages+0x1a/0x60
>>>>> [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55101.579139] ? retarget_shared_pending+0x70/0x70
>>>>> [55101.579543] do_fsync+0x38/0x60
>>>>> [55101.579928] __x64_sys_fdatasync+0x13/0x20
>>>>> [55101.580312] do_syscall_64+0x55/0x1a0
>>>>> [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55101.581086] RIP: 0033:0x7f1db3fc85f0
>>>>> [55101.581463] Code: Bad RIP value.
>>>>> [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
>>>>> [55222.405773] Not tainted 5.3.0-rc8 #1
>>>>> [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55222.407158] rsync D 0 9830 9829 0x00004002
>>>>> [55222.407776] Call Trace:
>>>>> [55222.408450] ? __schedule+0x3cf/0x680
>>>>> [55222.409206] ? bit_wait+0x50/0x50
>>>>> [55222.409942] schedule+0x39/0xa0
>>>>> [55222.410658] io_schedule+0x12/0x40
>>>>> [55222.411346] bit_wait_io+0xd/0x50
>>>>> [55222.411946] __wait_on_bit+0x66/0x90
>>>>> [55222.412572] ? bit_wait+0x50/0x50
>>>>> [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55222.413944] ? init_wait_var_entry+0x40/0x40
>>>>> [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55222.417505] do_writepages+0x1a/0x60
>>>>> [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55222.424140] ? retarget_shared_pending+0x70/0x70
>>>>> [55222.424861] do_fsync+0x38/0x60
>>>>> [55222.425581] __x64_sys_fdatasync+0x13/0x20
>>>>> [55222.426308] do_syscall_64+0x55/0x1a0
>>>>> [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55222.427732] RIP: 0033:0x7f1db3fc85f0
>>>>> [55222.428396] Code: Bad RIP value.
>>>>> [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
>>>>> [55343.235887] Not tainted 5.3.0-rc8 #1
>>>>> [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55343.237213] rsync D 0 9830 9829 0x00004002
>>>>> [55343.237766] Call Trace:
>>>>> [55343.238353] ? __schedule+0x3cf/0x680
>>>>> [55343.238971] ? bit_wait+0x50/0x50
>>>>> [55343.239592] schedule+0x39/0xa0
>>>>> [55343.240173] io_schedule+0x12/0x40
>>>>> [55343.240721] bit_wait_io+0xd/0x50
>>>>> [55343.241266] __wait_on_bit+0x66/0x90
>>>>> [55343.241835] ? bit_wait+0x50/0x50
>>>>> [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55343.242938] ? init_wait_var_entry+0x40/0x40
>>>>> [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55343.245843] do_writepages+0x1a/0x60
>>>>> [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55343.251139] ? retarget_shared_pending+0x70/0x70
>>>>> [55343.251628] do_fsync+0x38/0x60
>>>>> [55343.252208] __x64_sys_fdatasync+0x13/0x20
>>>>> [55343.252702] do_syscall_64+0x55/0x1a0
>>>>> [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55343.253798] RIP: 0033:0x7f1db3fc85f0
>>>>> [55343.254294] Code: Bad RIP value.
>>>>> [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
>>>>> [55464.069701] Not tainted 5.3.0-rc8 #1
>>>>> [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55464.071637] rsync D 0 9830 9829 0x00004002
>>>>> [55464.072637] Call Trace:
>>>>> [55464.073623] ? __schedule+0x3cf/0x680
>>>>> [55464.074604] ? bit_wait+0x50/0x50
>>>>> [55464.075577] schedule+0x39/0xa0
>>>>> [55464.076531] io_schedule+0x12/0x40
>>>>> [55464.077480] bit_wait_io+0xd/0x50
>>>>> [55464.078400] __wait_on_bit+0x66/0x90
>>>>> [55464.079300] ? bit_wait+0x50/0x50
>>>>> [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55464.081107] ? init_wait_var_entry+0x40/0x40
>>>>> [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55464.085456] do_writepages+0x1a/0x60
>>>>> [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55464.089043] ? retarget_shared_pending+0x70/0x70
>>>>> [55464.089429] do_fsync+0x38/0x60
>>>>> [55464.089811] __x64_sys_fdatasync+0x13/0x20
>>>>> [55464.090190] do_syscall_64+0x55/0x1a0
>>>>> [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55464.090944] RIP: 0033:0x7f1db3fc85f0
>>>>> [55464.091321] Code: Bad RIP value.
>>>>> [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
>>>>> [55584.903748] Not tainted 5.3.0-rc8 #1
>>>>> [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55584.906023] rsync D 0 9830 9829 0x00004002
>>>>> [55584.907207] Call Trace:
>>>>> [55584.908355] ? __schedule+0x3cf/0x680
>>>>> [55584.909507] ? bit_wait+0x50/0x50
>>>>> [55584.910682] schedule+0x39/0xa0
>>>>> [55584.911230] io_schedule+0x12/0x40
>>>>> [55584.911666] bit_wait_io+0xd/0x50
>>>>> [55584.912092] __wait_on_bit+0x66/0x90
>>>>> [55584.912510] ? bit_wait+0x50/0x50
>>>>> [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55584.913343] ? init_wait_var_entry+0x40/0x40
>>>>> [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55584.915588] do_writepages+0x1a/0x60
>>>>> [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55584.919679] ? retarget_shared_pending+0x70/0x70
>>>>> [55584.920122] do_fsync+0x38/0x60
>>>>> [55584.920559] __x64_sys_fdatasync+0x13/0x20
>>>>> [55584.920996] do_syscall_64+0x55/0x1a0
>>>>> [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55584.921865] RIP: 0033:0x7f1db3fc85f0
>>>>> [55584.922298] Code: Bad RIP value.
>>>>> [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
>>>>> [55705.736999] Not tainted 5.3.0-rc8 #1
>>>>> [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55705.738411] rsync D 0 9830 9829 0x00004002
>>>>> [55705.739072] Call Trace:
>>>>> [55705.739455] ? __schedule+0x3cf/0x680
>>>>> [55705.739837] ? bit_wait+0x50/0x50
>>>>> [55705.740215] schedule+0x39/0xa0
>>>>> [55705.740610] io_schedule+0x12/0x40
>>>>> [55705.741243] bit_wait_io+0xd/0x50
>>>>> [55705.741897] __wait_on_bit+0x66/0x90
>>>>> [55705.742524] ? bit_wait+0x50/0x50
>>>>> [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55705.743750] ? init_wait_var_entry+0x40/0x40
>>>>> [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55705.746753] do_writepages+0x1a/0x60
>>>>> [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55705.752981] ? retarget_shared_pending+0x70/0x70
>>>>> [55705.753686] do_fsync+0x38/0x60
>>>>> [55705.754340] __x64_sys_fdatasync+0x13/0x20
>>>>> [55705.755012] do_syscall_64+0x55/0x1a0
>>>>> [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55705.756375] RIP: 0033:0x7f1db3fc85f0
>>>>> [55705.757042] Code: Bad RIP value.
>>>>> [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>> [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
>>>>> [55826.571349] Not tainted 5.3.0-rc8 #1
>>>>> [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>>>>> disables this message.
>>>>> [55826.573618] rsync D 0 9830 9829 0x00004002
>>>>> [55826.574790] Call Trace:
>>>>> [55826.575932] ? __schedule+0x3cf/0x680
>>>>> [55826.577079] ? bit_wait+0x50/0x50
>>>>> [55826.578233] schedule+0x39/0xa0
>>>>> [55826.579350] io_schedule+0x12/0x40
>>>>> [55826.580451] bit_wait_io+0xd/0x50
>>>>> [55826.581527] __wait_on_bit+0x66/0x90
>>>>> [55826.582596] ? bit_wait+0x50/0x50
>>>>> [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
>>>>> [55826.583550] ? init_wait_var_entry+0x40/0x40
>>>>> [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
>>>>> [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
>>>>> [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
>>>>> [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
>>>>> [55826.585547] do_writepages+0x1a/0x60
>>>>> [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
>>>>> [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
>>>>> [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
>>>>> [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
>>>>> [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
>>>>> [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
>>>>> [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
>>>>> [55826.589219] ? retarget_shared_pending+0x70/0x70
>>>>> [55826.589617] do_fsync+0x38/0x60
>>>>> [55826.590011] __x64_sys_fdatasync+0x13/0x20
>>>>> [55826.590411] do_syscall_64+0x55/0x1a0
>>>>> [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>>>>> [55826.591185] RIP: 0033:0x7f1db3fc85f0
>>>>> [55826.591572] Code: Bad RIP value.
>>>>> [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
>>>>> 000000000000004b
>>>>> [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
>>>>> 00007f1db3fc85f0
>>>>> [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
>>>>> 0000000000000001
>>>>> [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
>>>>> 0000000081c492ca
>>>>> [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
>>>>> 0000000000000028
>>>>> [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
>>>>> 0000000000000000
>>>>>
>>>>>
>>>>> Greets,
>>>>> Stefan
>>>>
>>>> --
>>>> Michal Hocko
>>>> SUSE Labs
>>
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)
2019-09-11 16:15 ` Stefan Priebe - Profihost AG
@ 2019-09-11 16:19 ` Filipe Manana
0 siblings, 0 replies; 7+ messages in thread
From: Filipe Manana @ 2019-09-11 16:19 UTC (permalink / raw)
To: Stefan Priebe - Profihost AG
Cc: Michal Hocko, linux-mm, l.roehrs, cgroups, Johannes Weiner,
Vlastimil Babka, Jens Axboe, linux-block, linux-fsdevel,
David Sterba, linux-btrfs
On Wed, Sep 11, 2019 at 5:15 PM Stefan Priebe - Profihost AG
<s.priebe@profihost.ag> wrote:
>
> Am 11.09.19 um 17:56 schrieb Filipe Manana:
> > On Wed, Sep 11, 2019 at 4:39 PM Stefan Priebe - Profihost AG
> > <s.priebe@profihost.ag> wrote:
> >>
> >> Thanks! Is this the same as for the 5.3-rc8 I tested? Stacktrace looked different to me.
> >
> > I don't know, I can't see that backtrace. The thread was split and
> > I've only seen the one sent to the btrfs list.
>
> Hi,
>
> strange.
>
> This is the 5.3-rc8 stacktrace:
> https://lore.kernel.org/linux-mm/d07620d9-4967-40fe-fa0f-be51f2459dc5@profihost.ag/
It's the same.
>
> and this the 5.2.14:
> https://lore.kernel.org/linux-mm/289fbe71-0472-520f-64e2-b6d07ced5436@profihost.ag/
>
> Greets,
> Stefan
>
> >>
> >> Stefan
> >>
> >>> Am 11.09.2019 um 16:56 schrieb Filipe Manana <fdmanana@kernel.org>:
> >>>
> >>>> On Wed, Sep 11, 2019 at 8:10 AM Michal Hocko <mhocko@kernel.org> wrote:
> >>>>
> >>>> This smells like IO/Btrfs issue to me. Cc some more people.
> >>>>
> >>>>> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote:
> >>>>> [...]
> >>>>> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process
> >>>>> on backup disk completely hangs / is blocked at 100% i/o:
> >>>>> [54739.065906] INFO: task rsync:9830 blocked for more than 120 seconds.
> >>>>> [54739.066973] Not tainted 5.3.0-rc8 #1
> >>>>> [54739.067988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [54739.069065] rsync D 0 9830 9829 0x00004002
> >>>>> [54739.070146] Call Trace:
> >>>>> [54739.071183] ? __schedule+0x3cf/0x680
> >>>>> [54739.072202] ? bit_wait+0x50/0x50
> >>>>> [54739.073196] schedule+0x39/0xa0
> >>>>> [54739.074213] io_schedule+0x12/0x40
> >>>>> [54739.075219] bit_wait_io+0xd/0x50
> >>>>> [54739.076227] __wait_on_bit+0x66/0x90
> >>>>> [54739.077239] ? bit_wait+0x50/0x50
> >>>>> [54739.078273] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [54739.078741] ? init_wait_var_entry+0x40/0x40
> >>>>> [54739.079162] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [54739.079557] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [54739.079956] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [54739.080357] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [54739.080748] do_writepages+0x1a/0x60
> >>>>> [54739.081140] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [54739.081558] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [54739.081985] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [54739.082412] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [54739.082847] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [54739.083280] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [54739.083725] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [54739.084170] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [54739.084608] ? retarget_shared_pending+0x70/0x70
> >>>>> [54739.085049] do_fsync+0x38/0x60
> >>>>> [54739.085494] __x64_sys_fdatasync+0x13/0x20
> >>>>> [54739.085944] do_syscall_64+0x55/0x1a0
> >>>>> [54739.086395] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [54739.086850] RIP: 0033:0x7f1db3fc85f0
> >>>>> [54739.087310] Code: Bad RIP value.
> >>>
> >>> It's a regression introduced in 5.2
> >>> Fix just sent: https://lore.kernel.org/linux-btrfs/20190911145542.1125-1-fdmanana@kernel.org/T/#u
> >>>
> >>> Thanks.
> >>>
> >>>>> [54739.087772] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [54739.088249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [54739.088733] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [54739.089234] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [54739.089722] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [54739.090205] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [54859.899715] INFO: task rsync:9830 blocked for more than 241 seconds.
> >>>>> [54859.900863] Not tainted 5.3.0-rc8 #1
> >>>>> [54859.901885] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [54859.902909] rsync D 0 9830 9829 0x00004002
> >>>>> [54859.903930] Call Trace:
> >>>>> [54859.904888] ? __schedule+0x3cf/0x680
> >>>>> [54859.905831] ? bit_wait+0x50/0x50
> >>>>> [54859.906751] schedule+0x39/0xa0
> >>>>> [54859.907653] io_schedule+0x12/0x40
> >>>>> [54859.908535] bit_wait_io+0xd/0x50
> >>>>> [54859.909441] __wait_on_bit+0x66/0x90
> >>>>> [54859.910306] ? bit_wait+0x50/0x50
> >>>>> [54859.911177] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [54859.912043] ? init_wait_var_entry+0x40/0x40
> >>>>> [54859.912727] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [54859.913113] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [54859.913501] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [54859.913894] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [54859.914276] do_writepages+0x1a/0x60
> >>>>> [54859.914656] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [54859.915052] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [54859.915449] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [54859.915855] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [54859.916256] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [54859.916658] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [54859.917078] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [54859.917497] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [54859.917903] ? retarget_shared_pending+0x70/0x70
> >>>>> [54859.918307] do_fsync+0x38/0x60
> >>>>> [54859.918707] __x64_sys_fdatasync+0x13/0x20
> >>>>> [54859.919106] do_syscall_64+0x55/0x1a0
> >>>>> [54859.919482] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [54859.919866] RIP: 0033:0x7f1db3fc85f0
> >>>>> [54859.920243] Code: Bad RIP value.
> >>>>> [54859.920614] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [54859.920997] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [54859.921383] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [54859.921773] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [54859.922165] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [54859.922551] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [54980.733463] INFO: task rsync:9830 blocked for more than 362 seconds.
> >>>>> [54980.734061] Not tainted 5.3.0-rc8 #1
> >>>>> [54980.734619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [54980.735209] rsync D 0 9830 9829 0x00004002
> >>>>> [54980.735802] Call Trace:
> >>>>> [54980.736473] ? __schedule+0x3cf/0x680
> >>>>> [54980.737054] ? bit_wait+0x50/0x50
> >>>>> [54980.737664] schedule+0x39/0xa0
> >>>>> [54980.738243] io_schedule+0x12/0x40
> >>>>> [54980.738712] bit_wait_io+0xd/0x50
> >>>>> [54980.739171] __wait_on_bit+0x66/0x90
> >>>>> [54980.739623] ? bit_wait+0x50/0x50
> >>>>> [54980.740073] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [54980.740548] ? init_wait_var_entry+0x40/0x40
> >>>>> [54980.741033] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [54980.741579] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [54980.742076] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [54980.742560] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [54980.743045] do_writepages+0x1a/0x60
> >>>>> [54980.743516] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [54980.744019] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [54980.744513] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [54980.745026] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [54980.745563] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [54980.746073] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [54980.746575] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [54980.747074] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [54980.747575] ? retarget_shared_pending+0x70/0x70
> >>>>> [54980.748059] do_fsync+0x38/0x60
> >>>>> [54980.748539] __x64_sys_fdatasync+0x13/0x20
> >>>>> [54980.749012] do_syscall_64+0x55/0x1a0
> >>>>> [54980.749512] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [54980.749995] RIP: 0033:0x7f1db3fc85f0
> >>>>> [54980.750368] Code: Bad RIP value.
> >>>>> [54980.750735] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [54980.751117] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [54980.751505] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [54980.751895] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [54980.752291] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [54980.752680] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55101.567251] INFO: task rsync:9830 blocked for more than 483 seconds.
> >>>>> [55101.567775] Not tainted 5.3.0-rc8 #1
> >>>>> [55101.568218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55101.568649] rsync D 0 9830 9829 0x00004002
> >>>>> [55101.569101] Call Trace:
> >>>>> [55101.569609] ? __schedule+0x3cf/0x680
> >>>>> [55101.570052] ? bit_wait+0x50/0x50
> >>>>> [55101.570504] schedule+0x39/0xa0
> >>>>> [55101.570938] io_schedule+0x12/0x40
> >>>>> [55101.571404] bit_wait_io+0xd/0x50
> >>>>> [55101.571934] __wait_on_bit+0x66/0x90
> >>>>> [55101.572601] ? bit_wait+0x50/0x50
> >>>>> [55101.573235] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55101.573599] ? init_wait_var_entry+0x40/0x40
> >>>>> [55101.574008] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55101.574394] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55101.574783] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55101.575184] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55101.575580] do_writepages+0x1a/0x60
> >>>>> [55101.575959] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55101.576351] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55101.576746] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55101.577144] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55101.577543] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55101.577939] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55101.578343] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55101.578746] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55101.579139] ? retarget_shared_pending+0x70/0x70
> >>>>> [55101.579543] do_fsync+0x38/0x60
> >>>>> [55101.579928] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55101.580312] do_syscall_64+0x55/0x1a0
> >>>>> [55101.580706] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55101.581086] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55101.581463] Code: Bad RIP value.
> >>>>> [55101.581834] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55101.582219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55101.582607] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55101.582998] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55101.583397] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55101.583784] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55222.405056] INFO: task rsync:9830 blocked for more than 604 seconds.
> >>>>> [55222.405773] Not tainted 5.3.0-rc8 #1
> >>>>> [55222.406456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55222.407158] rsync D 0 9830 9829 0x00004002
> >>>>> [55222.407776] Call Trace:
> >>>>> [55222.408450] ? __schedule+0x3cf/0x680
> >>>>> [55222.409206] ? bit_wait+0x50/0x50
> >>>>> [55222.409942] schedule+0x39/0xa0
> >>>>> [55222.410658] io_schedule+0x12/0x40
> >>>>> [55222.411346] bit_wait_io+0xd/0x50
> >>>>> [55222.411946] __wait_on_bit+0x66/0x90
> >>>>> [55222.412572] ? bit_wait+0x50/0x50
> >>>>> [55222.413249] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55222.413944] ? init_wait_var_entry+0x40/0x40
> >>>>> [55222.414675] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55222.415362] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55222.416085] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55222.416796] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55222.417505] do_writepages+0x1a/0x60
> >>>>> [55222.418243] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55222.418969] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55222.419713] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55222.420453] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55222.421206] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55222.421925] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55222.422656] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55222.423400] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55222.424140] ? retarget_shared_pending+0x70/0x70
> >>>>> [55222.424861] do_fsync+0x38/0x60
> >>>>> [55222.425581] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55222.426308] do_syscall_64+0x55/0x1a0
> >>>>> [55222.427025] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55222.427732] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55222.428396] Code: Bad RIP value.
> >>>>> [55222.429087] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55222.429757] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55222.430451] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55222.431159] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55222.431856] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55222.432544] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55343.234863] INFO: task rsync:9830 blocked for more than 724 seconds.
> >>>>> [55343.235887] Not tainted 5.3.0-rc8 #1
> >>>>> [55343.236611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55343.237213] rsync D 0 9830 9829 0x00004002
> >>>>> [55343.237766] Call Trace:
> >>>>> [55343.238353] ? __schedule+0x3cf/0x680
> >>>>> [55343.238971] ? bit_wait+0x50/0x50
> >>>>> [55343.239592] schedule+0x39/0xa0
> >>>>> [55343.240173] io_schedule+0x12/0x40
> >>>>> [55343.240721] bit_wait_io+0xd/0x50
> >>>>> [55343.241266] __wait_on_bit+0x66/0x90
> >>>>> [55343.241835] ? bit_wait+0x50/0x50
> >>>>> [55343.242418] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55343.242938] ? init_wait_var_entry+0x40/0x40
> >>>>> [55343.243496] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55343.244090] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55343.244720] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55343.245296] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55343.245843] do_writepages+0x1a/0x60
> >>>>> [55343.246407] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55343.247014] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55343.247631] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55343.248186] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55343.248743] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55343.249326] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55343.249931] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55343.250562] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55343.251139] ? retarget_shared_pending+0x70/0x70
> >>>>> [55343.251628] do_fsync+0x38/0x60
> >>>>> [55343.252208] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55343.252702] do_syscall_64+0x55/0x1a0
> >>>>> [55343.253212] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55343.253798] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55343.254294] Code: Bad RIP value.
> >>>>> [55343.254821] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55343.255404] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55343.255989] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55343.256521] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55343.257073] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55343.257649] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55464.068704] INFO: task rsync:9830 blocked for more than 845 seconds.
> >>>>> [55464.069701] Not tainted 5.3.0-rc8 #1
> >>>>> [55464.070655] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55464.071637] rsync D 0 9830 9829 0x00004002
> >>>>> [55464.072637] Call Trace:
> >>>>> [55464.073623] ? __schedule+0x3cf/0x680
> >>>>> [55464.074604] ? bit_wait+0x50/0x50
> >>>>> [55464.075577] schedule+0x39/0xa0
> >>>>> [55464.076531] io_schedule+0x12/0x40
> >>>>> [55464.077480] bit_wait_io+0xd/0x50
> >>>>> [55464.078400] __wait_on_bit+0x66/0x90
> >>>>> [55464.079300] ? bit_wait+0x50/0x50
> >>>>> [55464.080184] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55464.081107] ? init_wait_var_entry+0x40/0x40
> >>>>> [55464.082047] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55464.083001] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55464.083963] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55464.084944] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55464.085456] do_writepages+0x1a/0x60
> >>>>> [55464.085840] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55464.086231] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55464.086625] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55464.087019] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55464.087417] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55464.087814] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55464.088219] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55464.088652] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55464.089043] ? retarget_shared_pending+0x70/0x70
> >>>>> [55464.089429] do_fsync+0x38/0x60
> >>>>> [55464.089811] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55464.090190] do_syscall_64+0x55/0x1a0
> >>>>> [55464.090568] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55464.090944] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55464.091321] Code: Bad RIP value.
> >>>>> [55464.091693] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55464.092078] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55464.092467] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55464.092863] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55464.093254] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55464.093643] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55584.902564] INFO: task rsync:9830 blocked for more than 966 seconds.
> >>>>> [55584.903748] Not tainted 5.3.0-rc8 #1
> >>>>> [55584.904868] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55584.906023] rsync D 0 9830 9829 0x00004002
> >>>>> [55584.907207] Call Trace:
> >>>>> [55584.908355] ? __schedule+0x3cf/0x680
> >>>>> [55584.909507] ? bit_wait+0x50/0x50
> >>>>> [55584.910682] schedule+0x39/0xa0
> >>>>> [55584.911230] io_schedule+0x12/0x40
> >>>>> [55584.911666] bit_wait_io+0xd/0x50
> >>>>> [55584.912092] __wait_on_bit+0x66/0x90
> >>>>> [55584.912510] ? bit_wait+0x50/0x50
> >>>>> [55584.912924] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55584.913343] ? init_wait_var_entry+0x40/0x40
> >>>>> [55584.913795] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55584.914242] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55584.914698] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55584.915152] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55584.915588] do_writepages+0x1a/0x60
> >>>>> [55584.916022] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55584.916474] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55584.916928] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55584.917386] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55584.917844] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55584.918300] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55584.918772] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55584.919233] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55584.919679] ? retarget_shared_pending+0x70/0x70
> >>>>> [55584.920122] do_fsync+0x38/0x60
> >>>>> [55584.920559] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55584.920996] do_syscall_64+0x55/0x1a0
> >>>>> [55584.921429] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55584.921865] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55584.922298] Code: Bad RIP value.
> >>>>> [55584.922734] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55584.923174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55584.923568] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55584.923982] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55584.924378] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55584.924774] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55705.736285] INFO: task rsync:9830 blocked for more than 1087 seconds.
> >>>>> [55705.736999] Not tainted 5.3.0-rc8 #1
> >>>>> [55705.737694] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55705.738411] rsync D 0 9830 9829 0x00004002
> >>>>> [55705.739072] Call Trace:
> >>>>> [55705.739455] ? __schedule+0x3cf/0x680
> >>>>> [55705.739837] ? bit_wait+0x50/0x50
> >>>>> [55705.740215] schedule+0x39/0xa0
> >>>>> [55705.740610] io_schedule+0x12/0x40
> >>>>> [55705.741243] bit_wait_io+0xd/0x50
> >>>>> [55705.741897] __wait_on_bit+0x66/0x90
> >>>>> [55705.742524] ? bit_wait+0x50/0x50
> >>>>> [55705.743131] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55705.743750] ? init_wait_var_entry+0x40/0x40
> >>>>> [55705.744128] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55705.744766] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55705.745440] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55705.746118] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55705.746753] do_writepages+0x1a/0x60
> >>>>> [55705.747411] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55705.748106] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55705.748807] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55705.749495] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55705.750190] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55705.750890] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55705.751580] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55705.752293] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55705.752981] ? retarget_shared_pending+0x70/0x70
> >>>>> [55705.753686] do_fsync+0x38/0x60
> >>>>> [55705.754340] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55705.755012] do_syscall_64+0x55/0x1a0
> >>>>> [55705.755678] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55705.756375] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55705.757042] Code: Bad RIP value.
> >>>>> [55705.757690] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55705.758300] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55705.758678] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55705.759107] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55705.759785] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55705.760471] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>> [55826.570182] INFO: task rsync:9830 blocked for more than 1208 seconds.
> >>>>> [55826.571349] Not tainted 5.3.0-rc8 #1
> >>>>> [55826.572469] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> >>>>> disables this message.
> >>>>> [55826.573618] rsync D 0 9830 9829 0x00004002
> >>>>> [55826.574790] Call Trace:
> >>>>> [55826.575932] ? __schedule+0x3cf/0x680
> >>>>> [55826.577079] ? bit_wait+0x50/0x50
> >>>>> [55826.578233] schedule+0x39/0xa0
> >>>>> [55826.579350] io_schedule+0x12/0x40
> >>>>> [55826.580451] bit_wait_io+0xd/0x50
> >>>>> [55826.581527] __wait_on_bit+0x66/0x90
> >>>>> [55826.582596] ? bit_wait+0x50/0x50
> >>>>> [55826.583178] out_of_line_wait_on_bit+0x8b/0xb0
> >>>>> [55826.583550] ? init_wait_var_entry+0x40/0x40
> >>>>> [55826.583953] lock_extent_buffer_for_io+0x10b/0x2c0 [btrfs]
> >>>>> [55826.584356] btree_write_cache_pages+0x17d/0x350 [btrfs]
> >>>>> [55826.584755] ? btrfs_set_token_32+0x72/0x130 [btrfs]
> >>>>> [55826.585155] ? merge_state.part.47+0x3f/0x160 [btrfs]
> >>>>> [55826.585547] do_writepages+0x1a/0x60
> >>>>> [55826.585937] __filemap_fdatawrite_range+0xc8/0x100
> >>>>> [55826.586352] ? convert_extent_bit+0x2e8/0x580 [btrfs]
> >>>>> [55826.586761] btrfs_write_marked_extents+0x141/0x160 [btrfs]
> >>>>> [55826.587171] btrfs_write_and_wait_transaction.isra.26+0x58/0xb0 [btrfs]
> >>>>> [55826.587581] ? btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55826.587990] btrfs_commit_transaction+0x752/0x9d0 [btrfs]
> >>>>> [55826.588406] ? btrfs_log_dentry_safe+0x54/0x70 [btrfs]
> >>>>> [55826.588818] btrfs_sync_file+0x395/0x3e0 [btrfs]
> >>>>> [55826.589219] ? retarget_shared_pending+0x70/0x70
> >>>>> [55826.589617] do_fsync+0x38/0x60
> >>>>> [55826.590011] __x64_sys_fdatasync+0x13/0x20
> >>>>> [55826.590411] do_syscall_64+0x55/0x1a0
> >>>>> [55826.590798] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> >>>>> [55826.591185] RIP: 0033:0x7f1db3fc85f0
> >>>>> [55826.591572] Code: Bad RIP value.
> >>>>> [55826.591952] RSP: 002b:00007ffe6f827db8 EFLAGS: 00000246 ORIG_RAX:
> >>>>> 000000000000004b
> >>>>> [55826.592347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX:
> >>>>> 00007f1db3fc85f0
> >>>>> [55826.592743] RDX: 00007f1db4aa6060 RSI: 0000000000000003 RDI:
> >>>>> 0000000000000001
> >>>>> [55826.593143] RBP: 0000000000000001 R08: 0000000000000000 R09:
> >>>>> 0000000081c492ca
> >>>>> [55826.593543] R10: 0000000000000008 R11: 0000000000000246 R12:
> >>>>> 0000000000000028
> >>>>> [55826.593941] R13: 00007ffe6f827e40 R14: 0000000000000000 R15:
> >>>>> 0000000000000000
> >>>>>
> >>>>>
> >>>>> Greets,
> >>>>> Stefan
> >>>>
> >>>> --
> >>>> Michal Hocko
> >>>> SUSE Labs
> >>
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2019-09-11 16:19 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <132e1fd0-c392-c158-8f3a-20e340e542f0@profihost.ag>
[not found] ` <20190910090241.GM2063@dhcp22.suse.cz>
[not found] ` <743a047e-a46f-32fa-1fe4-a9bd8f09ed87@profihost.ag>
[not found] ` <20190910110741.GR2063@dhcp22.suse.cz>
[not found] ` <364d4c2e-9c9a-d8b3-43a8-aa17cccae9c7@profihost.ag>
[not found] ` <20190910125756.GB2063@dhcp22.suse.cz>
[not found] ` <d7448f13-899a-5805-bd36-8922fa17b8a9@profihost.ag>
[not found] ` <b1fe902f-fce6-1aa9-f371-ceffdad85968@profihost.ag>
[not found] ` <20190910132418.GC2063@dhcp22.suse.cz>
[not found] ` <d07620d9-4967-40fe-fa0f-be51f2459dc5@profihost.ag>
2019-09-11 7:09 ` 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI) Michal Hocko
2019-09-11 14:09 ` Stefan Priebe - Profihost AG
2019-09-11 14:56 ` Filipe Manana
2019-09-11 15:39 ` Stefan Priebe - Profihost AG
2019-09-11 15:56 ` Filipe Manana
2019-09-11 16:15 ` Stefan Priebe - Profihost AG
2019-09-11 16:19 ` Filipe Manana
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).