From: Jaegeuk Kim <jaegeuk@kernel.org>
To: "Ondřej Jirman" <megi@xff.cz>
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] kernel BUG at fs/f2fs/extent_cache.c:730 and subsequent warning (6.2-rc8)
Date: Tue, 7 Mar 2023 09:27:45 -0800 [thread overview]
Message-ID: <ZAd0Ee3V+fhXYxES@google.com> (raw)
In-Reply-To: <20230214225704.pqqisa62pfzj6wz2@core>
Hi,
I think this should fix the issue. By any chance, could you give it a try?
https://patchwork.kernel.org/project/f2fs/patch/20230307151408.58490-1-chao@kernel.org/
Thanks,
On 02/14, Ondřej Jirman wrote:
> On Tue, Feb 14, 2023 at 10:07:23PM +0100, megi xff wrote:
> > Hello,
> >
> > I'm trying 6.2-rc8 on my Orange Pi PC and noticed this bug in dmesg and
> > locked-up fsync. (impossible to write to the filesystem)
> >
> > [...]
> >
> > This is a 32bit system.
>
> A bit of followup... I've tried the same kernel on another 32bit system, and
> also on a 64bit system, and this seems specific to 32bit systems (happens
> on almost every boot). I've run -rc8 and earlier on several 64bit systems
> for many days without issues, but the same kernel bugs out on 32bit systems
> very early during boot.
>
> Here is more debugging output that can be helpful:
>
> sysrq w
>
> [ 571.133078] sysrq: Show Blocked State
> [ 571.135646] task:kworker/u8:0 state:D stack:0 pid:9 ppid:2 flags:0x00000000
> [ 571.135682] Workqueue: writeback wb_workfn (flush-179:0)
> [ 571.135720] __schedule from schedule+0x50/0xa0
> [ 571.135744] schedule from schedule_preempt_disabled+0xc/0x10
> [ 571.135763] schedule_preempt_disabled from __mutex_lock.constprop.0+0x208/0x50c
> [ 571.135784] __mutex_lock.constprop.0 from f2fs_write_data_pages+0x1bc/0x268
> [ 571.135807] f2fs_write_data_pages from do_writepages+0x60/0x19c
> [ 571.135828] do_writepages from __writeback_single_inode+0x2c/0x1e0
> [ 571.135845] __writeback_single_inode from writeback_sb_inodes+0x1d0/0x410
> [ 571.135863] writeback_sb_inodes from __writeback_inodes_wb+0x38/0xe4
> [ 571.135880] __writeback_inodes_wb from wb_writeback+0x170/0x1a8
> [ 571.135898] wb_writeback from wb_workfn+0x1ec/0x370
> [ 571.135914] wb_workfn from process_one_work+0x1e8/0x3e8
> [ 571.135941] process_one_work from worker_thread+0x48/0x540
> [ 571.135961] worker_thread from kthread+0xd4/0xf0
> [ 571.135981] kthread from ret_from_fork+0x14/0x1c
> [ 571.136000] Exception stack(0xe0841fb0 to 0xe0841ff8)
> [ 571.136012] 1fa0: 00000000 00000000 00000000 00000000
> [ 571.136024] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [ 571.136036] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [ 571.136071] task:kworker/u8:1 state:D stack:0 pid:47 ppid:2 flags:0x00000000
> [ 571.136088] Workqueue: writeback wb_workfn (flush-179:0)
> [ 571.136108] __schedule from schedule+0x50/0xa0
> [ 571.136125] schedule from schedule_preempt_disabled+0xc/0x10
> [ 571.136142] schedule_preempt_disabled from __mutex_lock.constprop.0+0x208/0x50c
> [ 571.136161] __mutex_lock.constprop.0 from f2fs_write_data_pages+0x1bc/0x268
> [ 571.136181] f2fs_write_data_pages from do_writepages+0x60/0x19c
> [ 571.136197] do_writepages from __writeback_single_inode+0x2c/0x1e0
> [ 571.136213] __writeback_single_inode from writeback_sb_inodes+0x1d0/0x410
> [ 571.136231] writeback_sb_inodes from __writeback_inodes_wb+0x38/0xe4
> [ 571.136248] __writeback_inodes_wb from wb_writeback+0x170/0x1a8
> [ 571.136265] wb_writeback from wb_workfn+0x1ec/0x370
> [ 571.136281] wb_workfn from process_one_work+0x1e8/0x3e8
> [ 571.136303] process_one_work from worker_thread+0x48/0x540
> [ 571.136323] worker_thread from kthread+0xd4/0xf0
> [ 571.136341] kthread from ret_from_fork+0x14/0x1c
> [ 571.136359] Exception stack(0xe08e9fb0 to 0xe08e9ff8)
> [ 571.136370] 9fa0: 00000000 00000000 00000000 00000000
> [ 571.136383] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [ 571.136395] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [ 571.136437] task:kworker/u8:2 state:D stack:0 pid:89 ppid:2 flags:0x00000000
> [ 571.136454] Workqueue: writeback wb_workfn (flush-179:0)
> [ 571.136473] __schedule from schedule+0x50/0xa0
> [ 571.136489] schedule from schedule_preempt_disabled+0xc/0x10
> [ 571.136507] schedule_preempt_disabled from __mutex_lock.constprop.0+0x208/0x50c
> [ 571.136526] __mutex_lock.constprop.0 from f2fs_write_data_pages+0x1bc/0x268
> [ 571.136546] f2fs_write_data_pages from do_writepages+0x60/0x19c
> [ 571.136562] do_writepages from __writeback_single_inode+0x2c/0x1e0
> [ 571.136579] __writeback_single_inode from writeback_sb_inodes+0x1d0/0x410
> [ 571.136596] writeback_sb_inodes from __writeback_inodes_wb+0x38/0xe4
> [ 571.136613] __writeback_inodes_wb from wb_writeback+0x170/0x1a8
> [ 571.136630] wb_writeback from wb_workfn+0x1ec/0x370
> [ 571.136646] wb_workfn from process_one_work+0x1e8/0x3e8
> [ 571.136669] process_one_work from worker_thread+0x48/0x540
> [ 571.136688] worker_thread from kthread+0xd4/0xf0
> [ 571.136706] kthread from ret_from_fork+0x14/0x1c
> [ 571.136724] Exception stack(0xe0a05fb0 to 0xe0a05ff8)
> [ 571.136735] 5fa0: 00000000 00000000 00000000 00000000
> [ 571.136747] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [ 571.136759] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [ 571.136855] task:sshd state:D stack:0 pid:243 ppid:227 flags:0x00000005
> [ 571.136880] __schedule from schedule+0x50/0xa0
> [ 571.136899] schedule from io_schedule+0x34/0x44
> [ 571.136916] io_schedule from folio_wait_bit_common+0x150/0x308
> [ 571.136938] folio_wait_bit_common from __filemap_get_folio+0x1d0/0x3e8
> [ 571.136961] __filemap_get_folio from pagecache_get_page+0xc/0x3c
> [ 571.136980] pagecache_get_page from f2fs_write_begin+0x6c/0xc84
> [ 571.136999] f2fs_write_begin from generic_perform_write+0xa8/0x1b8
> [ 571.137019] generic_perform_write from f2fs_buffered_write_iter+0x40/0x9c
> [ 571.137041] f2fs_buffered_write_iter from f2fs_file_write_iter+0x69c/0x930
> [ 571.137061] f2fs_file_write_iter from vfs_write+0x1bc/0x384
> [ 571.137082] vfs_write from ksys_write+0x54/0xc8
> [ 571.137099] ksys_write from ret_fast_syscall+0x0/0x4c
> [ 571.137114] Exception stack(0xe0c8dfa8 to 0xe0c8dff0)
> [ 571.137126] dfa0: 000dd280 00000000 00000005 bea113d4 00000180 00000000
> [ 571.137140] dfc0: 000dd280 00000000 00000005 00000004 00000002 005b91b8 bea12724 0000001c
> [ 571.137151] dfe0: 00000000 bea11384 b698bf5c b6933c10
>
> Kind regards,
> o.
>
>
> > Any ideas or suggestions?
> >
> > kind regards,
> > o.
>
>
> _______________________________________________
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next prev parent reply other threads:[~2023-03-07 17:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-14 21:07 [f2fs-dev] kernel BUG at fs/f2fs/extent_cache.c:730 and subsequent warning (6.2-rc8) Ondřej Jirman
2023-02-14 22:57 ` Ondřej Jirman
2023-03-07 17:27 ` Jaegeuk Kim [this message]
2023-03-07 17:57 ` Ondřej Jirman
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