* umount btrfs hang
@ 2018-01-30 8:03 Christophe Yayon
2018-01-30 13:07 ` Nikolay Borisov
0 siblings, 1 reply; 3+ messages in thread
From: Christophe Yayon @ 2018-01-30 8:03 UTC (permalink / raw)
To: Majordomo vger.kernel.org
Hi all,
While trying umount a single btrfs volume i get stuck and get a call kernel trace.
My kernel is 4.14.13 (archlinux).
Unable to umount, tried to killed command, no way...
what should i do ? Thanks.
# btrfs fi df /mnt/vol3
Data, single: total=25.97GiB, used=6.84GiB
System, DUP: total=8.00MiB, used=4.00KiB
System, single: total=4.00MiB, used=0.00B
Metadata, DUP: total=1.00GiB, used=111.44MiB
Metadata, single: total=8.00MiB, used=0.00B
GlobalReserve, single: total=16.00MiB, used=0.00B
-------------
Jan 30 08:57:58 daneel.nbux.org kernel: INFO: task kworker/u16:5:4967 blocked for more than 120 seconds.
Jan 30 08:57:58 daneel.nbux.org kernel: Tainted: G C 4.14.13-1-ARCH #1
Jan 30 08:57:58 daneel.nbux.org kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 30 08:57:58 daneel.nbux.org kernel: kworker/u16:5 D 0 4967 2 0x80000000
Jan 30 08:57:58 daneel.nbux.org kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: Call Trace:
Jan 30 08:57:58 daneel.nbux.org kernel: ? __schedule+0x290/0x890
Jan 30 08:57:58 daneel.nbux.org kernel: schedule+0x2f/0x90
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_tree_read_lock+0xb6/0x100 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_read_lock_root_node+0x2f/0x40 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x703/0x9f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_lookup_inode+0x3a/0xc0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? kmem_cache_alloc+0x153/0x1a0
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_iget+0x10e/0x6f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: __lookup_free_space_inode+0x106/0x160 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: lookup_free_space_inode+0x63/0xe0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: load_free_space_cache+0x66/0x180 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? kmem_cache_alloc_trace+0x161/0x1b0
Jan 30 08:57:58 daneel.nbux.org kernel: cache_block_group+0x1c6/0x3e0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
Jan 30 08:57:58 daneel.nbux.org kernel: find_free_extent+0x63e/0xfb0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_reserve_extent+0x9b/0x180 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_alloc_tree_block+0x123/0x4c0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_cow_block+0x121/0x5b0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_cow_block+0xca/0x1c0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x321/0x9f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_del_csums+0x107/0x3c0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_free_extent.isra.61+0x49b/0xd60 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_run_delayed_refs+0x725/0x12f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_run_delayed_refs+0x68/0x240 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: delayed_ref_async_start+0x8d/0xa0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_worker_helper+0x70/0x330 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: process_one_work+0x1db/0x410
Jan 30 08:57:58 daneel.nbux.org kernel: worker_thread+0x2b/0x3d0
Jan 30 08:57:58 daneel.nbux.org kernel: ? process_one_work+0x410/0x410
Jan 30 08:57:58 daneel.nbux.org kernel: kthread+0x118/0x130
Jan 30 08:57:58 daneel.nbux.org kernel: ? kthread_create_on_node+0x70/0x70
Jan 30 08:57:58 daneel.nbux.org kernel: ? SyS_exit+0x13/0x20
Jan 30 08:57:58 daneel.nbux.org kernel: ret_from_fork+0x1f/0x30
Jan 30 08:57:58 daneel.nbux.org kernel: INFO: task kworker/u16:11:13568 blocked for more than 120 seconds.
Jan 30 08:57:58 daneel.nbux.org kernel: Tainted: G C 4.14.13-1-ARCH #1
Jan 30 08:57:58 daneel.nbux.org kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 30 08:57:58 daneel.nbux.org kernel: kworker/u16:11 D 0 13568 2 0x80000000
Jan 30 08:57:58 daneel.nbux.org kernel: Workqueue: btrfs-freespace-write btrfs_freespace_write_helper [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: Call Trace:
Jan 30 08:57:58 daneel.nbux.org kernel: ? __schedule+0x290/0x890
Jan 30 08:57:58 daneel.nbux.org kernel: schedule+0x2f/0x90
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_tree_lock+0xd1/0x1f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x6e7/0x9f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_mark_extent_written+0xb1/0xbb0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? lock_extent_bits+0x54/0x1b0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? join_transaction+0x10c/0x3f0 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? start_transaction+0x9e/0x410 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_finish_ordered_io+0x591/0x810 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: ? pick_next_task_fair+0x171/0x560
Jan 30 08:57:58 daneel.nbux.org kernel: ? __switch_to+0xa2/0x4e0
Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_worker_helper+0x70/0x330 [btrfs]
Jan 30 08:57:58 daneel.nbux.org kernel: process_one_work+0x1db/0x410
Jan 30 08:57:58 daneel.nbux.org kernel: worker_thread+0x2b/0x3d0
Jan 30 08:57:58 daneel.nbux.org kernel: ? process_one_work+0x410/0x410
Jan 30 08:57:58 daneel.nbux.org kernel: kthread+0x118/0x130
Jan 30 08:57:58 daneel.nbux.org kernel: ? kthread_create_on_node+0x70/0x70
Jan 30 08:57:58 daneel.nbux.org kernel: ? SyS_exit+0x13/0x20
Jan 30 08:57:58 daneel.nbux.org kernel: ret_from_fork+0x1f/0x30
-------------
--
Christophe Yayon
cyayon-list@nbux.org
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: umount btrfs hang
2018-01-30 8:03 umount btrfs hang Christophe Yayon
@ 2018-01-30 13:07 ` Nikolay Borisov
2018-01-30 13:28 ` Christophe Yayon
0 siblings, 1 reply; 3+ messages in thread
From: Nikolay Borisov @ 2018-01-30 13:07 UTC (permalink / raw)
To: Christophe Yayon, Majordomo vger.kernel.org
On 30.01.2018 10:03, Christophe Yayon wrote:
> Hi all,
>
> While trying umount a single btrfs volume i get stuck and get a call kernel trace.
> My kernel is 4.14.13 (archlinux).
Is this upstream 4.14.13 or 4.14 with some Arch patches?
>
> Unable to umount, tried to killed command, no way...
>
> what should i do ? Thanks.
When this occurs the next time provide the output of
echo w > /proc/sysrq-trigger. Without it it's impossible to reason what
might have caused the lock up.
>
> # btrfs fi df /mnt/vol3
> Data, single: total=25.97GiB, used=6.84GiB
> System, DUP: total=8.00MiB, used=4.00KiB
> System, single: total=4.00MiB, used=0.00B
> Metadata, DUP: total=1.00GiB, used=111.44MiB
> Metadata, single: total=8.00MiB, used=0.00B
> GlobalReserve, single: total=16.00MiB, used=0.00B
>
> -------------
> Jan 30 08:57:58 daneel.nbux.org kernel: INFO: task kworker/u16:5:4967 blocked for more than 120 seconds.
> Jan 30 08:57:58 daneel.nbux.org kernel: Tainted: G C 4.14.13-1-ARCH #1
> Jan 30 08:57:58 daneel.nbux.org kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Jan 30 08:57:58 daneel.nbux.org kernel: kworker/u16:5 D 0 4967 2 0x80000000
> Jan 30 08:57:58 daneel.nbux.org kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: Call Trace:
> Jan 30 08:57:58 daneel.nbux.org kernel: ? __schedule+0x290/0x890
> Jan 30 08:57:58 daneel.nbux.org kernel: schedule+0x2f/0x90
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_tree_read_lock+0xb6/0x100 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_read_lock_root_node+0x2f/0x40 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x703/0x9f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_lookup_inode+0x3a/0xc0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? kmem_cache_alloc+0x153/0x1a0
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_iget+0x10e/0x6f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: __lookup_free_space_inode+0x106/0x160 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: lookup_free_space_inode+0x63/0xe0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: load_free_space_cache+0x66/0x180 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? kmem_cache_alloc_trace+0x161/0x1b0
> Jan 30 08:57:58 daneel.nbux.org kernel: cache_block_group+0x1c6/0x3e0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
> Jan 30 08:57:58 daneel.nbux.org kernel: find_free_extent+0x63e/0xfb0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_reserve_extent+0x9b/0x180 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_alloc_tree_block+0x123/0x4c0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_cow_block+0x121/0x5b0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_cow_block+0xca/0x1c0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x321/0x9f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_del_csums+0x107/0x3c0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_free_extent.isra.61+0x49b/0xd60 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_run_delayed_refs+0x725/0x12f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_run_delayed_refs+0x68/0x240 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: delayed_ref_async_start+0x8d/0xa0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_worker_helper+0x70/0x330 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: process_one_work+0x1db/0x410
> Jan 30 08:57:58 daneel.nbux.org kernel: worker_thread+0x2b/0x3d0
> Jan 30 08:57:58 daneel.nbux.org kernel: ? process_one_work+0x410/0x410
> Jan 30 08:57:58 daneel.nbux.org kernel: kthread+0x118/0x130
> Jan 30 08:57:58 daneel.nbux.org kernel: ? kthread_create_on_node+0x70/0x70
> Jan 30 08:57:58 daneel.nbux.org kernel: ? SyS_exit+0x13/0x20
> Jan 30 08:57:58 daneel.nbux.org kernel: ret_from_fork+0x1f/0x30
> Jan 30 08:57:58 daneel.nbux.org kernel: INFO: task kworker/u16:11:13568 blocked for more than 120 seconds.
> Jan 30 08:57:58 daneel.nbux.org kernel: Tainted: G C 4.14.13-1-ARCH #1
> Jan 30 08:57:58 daneel.nbux.org kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Jan 30 08:57:58 daneel.nbux.org kernel: kworker/u16:11 D 0 13568 2 0x80000000
> Jan 30 08:57:58 daneel.nbux.org kernel: Workqueue: btrfs-freespace-write btrfs_freespace_write_helper [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: Call Trace:
> Jan 30 08:57:58 daneel.nbux.org kernel: ? __schedule+0x290/0x890
> Jan 30 08:57:58 daneel.nbux.org kernel: schedule+0x2f/0x90
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_tree_lock+0xd1/0x1f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x6e7/0x9f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_mark_extent_written+0xb1/0xbb0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? lock_extent_bits+0x54/0x1b0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? join_transaction+0x10c/0x3f0 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? start_transaction+0x9e/0x410 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_finish_ordered_io+0x591/0x810 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: ? pick_next_task_fair+0x171/0x560
> Jan 30 08:57:58 daneel.nbux.org kernel: ? __switch_to+0xa2/0x4e0
> Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_worker_helper+0x70/0x330 [btrfs]
> Jan 30 08:57:58 daneel.nbux.org kernel: process_one_work+0x1db/0x410
> Jan 30 08:57:58 daneel.nbux.org kernel: worker_thread+0x2b/0x3d0
> Jan 30 08:57:58 daneel.nbux.org kernel: ? process_one_work+0x410/0x410
> Jan 30 08:57:58 daneel.nbux.org kernel: kthread+0x118/0x130
> Jan 30 08:57:58 daneel.nbux.org kernel: ? kthread_create_on_node+0x70/0x70
> Jan 30 08:57:58 daneel.nbux.org kernel: ? SyS_exit+0x13/0x20
> Jan 30 08:57:58 daneel.nbux.org kernel: ret_from_fork+0x1f/0x30
> -------------
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: umount btrfs hang
2018-01-30 13:07 ` Nikolay Borisov
@ 2018-01-30 13:28 ` Christophe Yayon
0 siblings, 0 replies; 3+ messages in thread
From: Christophe Yayon @ 2018-01-30 13:28 UTC (permalink / raw)
To: Nikolay Borisov, Majordomo vger.kernel.org
Hi,
is vanilla 4.14.13 without patch.
thanks for the tips.
--
Christophe Yayon
cyayon-list@nbux.org
On Tue, Jan 30, 2018, at 14:07, Nikolay Borisov wrote:
>
>
> On 30.01.2018 10:03, Christophe Yayon wrote:
> > Hi all,
> >
> > While trying umount a single btrfs volume i get stuck and get a call kernel trace.
> > My kernel is 4.14.13 (archlinux).
>
> Is this upstream 4.14.13 or 4.14 with some Arch patches?
>
> >
> > Unable to umount, tried to killed command, no way...
> >
> > what should i do ? Thanks.
>
> When this occurs the next time provide the output of
> echo w > /proc/sysrq-trigger. Without it it's impossible to reason what
> might have caused the lock up.
>
> >
> > # btrfs fi df /mnt/vol3
> > Data, single: total=25.97GiB, used=6.84GiB
> > System, DUP: total=8.00MiB, used=4.00KiB
> > System, single: total=4.00MiB, used=0.00B
> > Metadata, DUP: total=1.00GiB, used=111.44MiB
> > Metadata, single: total=8.00MiB, used=0.00B
> > GlobalReserve, single: total=16.00MiB, used=0.00B
> >
> > -------------
> > Jan 30 08:57:58 daneel.nbux.org kernel: INFO: task kworker/u16:5:4967 blocked for more than 120 seconds.
> > Jan 30 08:57:58 daneel.nbux.org kernel: Tainted: G C 4.14.13-1-ARCH #1
> > Jan 30 08:57:58 daneel.nbux.org kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jan 30 08:57:58 daneel.nbux.org kernel: kworker/u16:5 D 0 4967 2 0x80000000
> > Jan 30 08:57:58 daneel.nbux.org kernel: Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: Call Trace:
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? __schedule+0x290/0x890
> > Jan 30 08:57:58 daneel.nbux.org kernel: schedule+0x2f/0x90
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_tree_read_lock+0xb6/0x100 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_read_lock_root_node+0x2f/0x40 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x703/0x9f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_lookup_inode+0x3a/0xc0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? kmem_cache_alloc+0x153/0x1a0
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_iget+0x10e/0x6f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: __lookup_free_space_inode+0x106/0x160 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: lookup_free_space_inode+0x63/0xe0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: load_free_space_cache+0x66/0x180 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? kmem_cache_alloc_trace+0x161/0x1b0
> > Jan 30 08:57:58 daneel.nbux.org kernel: cache_block_group+0x1c6/0x3e0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
> > Jan 30 08:57:58 daneel.nbux.org kernel: find_free_extent+0x63e/0xfb0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_reserve_extent+0x9b/0x180 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_alloc_tree_block+0x123/0x4c0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_cow_block+0x121/0x5b0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_cow_block+0xca/0x1c0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x321/0x9f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_del_csums+0x107/0x3c0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_free_extent.isra.61+0x49b/0xd60 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: __btrfs_run_delayed_refs+0x725/0x12f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_run_delayed_refs+0x68/0x240 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: delayed_ref_async_start+0x8d/0xa0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_worker_helper+0x70/0x330 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: process_one_work+0x1db/0x410
> > Jan 30 08:57:58 daneel.nbux.org kernel: worker_thread+0x2b/0x3d0
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? process_one_work+0x410/0x410
> > Jan 30 08:57:58 daneel.nbux.org kernel: kthread+0x118/0x130
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? kthread_create_on_node+0x70/0x70
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? SyS_exit+0x13/0x20
> > Jan 30 08:57:58 daneel.nbux.org kernel: ret_from_fork+0x1f/0x30
> > Jan 30 08:57:58 daneel.nbux.org kernel: INFO: task kworker/u16:11:13568 blocked for more than 120 seconds.
> > Jan 30 08:57:58 daneel.nbux.org kernel: Tainted: G C 4.14.13-1-ARCH #1
> > Jan 30 08:57:58 daneel.nbux.org kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jan 30 08:57:58 daneel.nbux.org kernel: kworker/u16:11 D 0 13568 2 0x80000000
> > Jan 30 08:57:58 daneel.nbux.org kernel: Workqueue: btrfs-freespace-write btrfs_freespace_write_helper [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: Call Trace:
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? __schedule+0x290/0x890
> > Jan 30 08:57:58 daneel.nbux.org kernel: schedule+0x2f/0x90
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_tree_lock+0xd1/0x1f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? wait_woken+0x80/0x80
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_search_slot+0x6e7/0x9f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_mark_extent_written+0xb1/0xbb0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? lock_extent_bits+0x54/0x1b0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? join_transaction+0x10c/0x3f0 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? start_transaction+0x9e/0x410 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_finish_ordered_io+0x591/0x810 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? pick_next_task_fair+0x171/0x560
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? __switch_to+0xa2/0x4e0
> > Jan 30 08:57:58 daneel.nbux.org kernel: btrfs_worker_helper+0x70/0x330 [btrfs]
> > Jan 30 08:57:58 daneel.nbux.org kernel: process_one_work+0x1db/0x410
> > Jan 30 08:57:58 daneel.nbux.org kernel: worker_thread+0x2b/0x3d0
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? process_one_work+0x410/0x410
> > Jan 30 08:57:58 daneel.nbux.org kernel: kthread+0x118/0x130
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? kthread_create_on_node+0x70/0x70
> > Jan 30 08:57:58 daneel.nbux.org kernel: ? SyS_exit+0x13/0x20
> > Jan 30 08:57:58 daneel.nbux.org kernel: ret_from_fork+0x1f/0x30
> > -------------
> >
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2018-01-30 13:28 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-01-30 8:03 umount btrfs hang Christophe Yayon
2018-01-30 13:07 ` Nikolay Borisov
2018-01-30 13:28 ` Christophe Yayon
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).