linux-kernel - Re: [regression] Bug 216851 - btrfs write time corrupting for log tree

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Message-ID: <CAL3q7H75DScFAnUGHFn9x=ZmnCbd_u3+KsLU6qKOGPeVogOQwg@mail.gmail.com>
Date:   Wed, 4 Jan 2023 19:29:00 +0000
From:   Filipe Manana <fdmanana@...nel.org>
To:     David Arendt <admin@...et.org>
Cc:     Qu Wenruo <quwenruo.btrfs@....com>, dsterba@...e.cz,
        Thorsten Leemhuis <regressions@...mhuis.info>,
        linux-btrfs <linux-btrfs@...r.kernel.org>,
        Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Subject: Re: [regression] Bug 216851 - btrfs write time corrupting for log tree

On Wed, Jan 4, 2023 at 7:26 PM David Arendt <admin@...et.org> wrote:
>
> On 1/3/23 00:38, Qu Wenruo wrote:
> >
> >
> > On 2023/1/2 23:40, David Sterba wrote:
> >> On Tue, Dec 27, 2022 at 03:01:34PM +0100, Thorsten Leemhuis wrote:
> >>> Hi, this is your Linux kernel regression tracker speaking.
> >>>
> >>> I noticed a regression report in bugzilla.kernel.org. As many (most?)
> >>> kernel developer don't keep an eye on it, I decided to forward it by
> >>> mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=216851 :
> >>>
> >>>> I am experiencing btrfs file system errors followed by a switch to
> >>>> readony with kernel 6.1 and 6.1.1. It never happened with kernel
> >>>> versions before.
> >>>>
> >>>> A btrfs scrub and a btrfs check --readonly returned 0 errors.
> >>>>
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS
> >>>> critical (device sda2): corrupt leaf: root=18446744073709551610
> >>>> block=203366612992 slot=73, bad key order, prev (484119 96 1312873)
> >>>> current (484119 96 1312849)
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS info
> >>>> (device sda2): leaf 203366612992 gen 5068802 total ptrs 105 free
> >>>> space 10820 owner 18446744073709551610
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 0
> >>>> key (484119 1 0) itemoff 16123 itemsize 160
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09inode generation 45 size 2250 mode 40700
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 1
> >>>> key (484119 12 484118) itemoff 16097 itemsize 26
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 2
> >>>> key (484119 72 15) itemoff 16089 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 3
> >>>> key (484119 72 20) itemoff 16081 itemsize 8
> >>>> ...
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 82
> >>>> key (484119 96 1312873) itemoff 14665 itemsize 51
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 83
> >>>> key (484119 96 1312877) itemoff 14609 itemsize 56
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 84
> >>>> key (484128 1 0) itemoff 14449 itemsize 160
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09inode generation 45 size 98304 mode 100644
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 85
> >>>> key (484128 108 0) itemoff 14396 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10674830381056 nr 65536
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 65536 ram 65536
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 86
> >>>> key (484129 1 0) itemoff 14236 itemsize 160
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09inode generation 45 size 26214400 mode 100644
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 87
> >>>> key (484129 108 589824) itemoff 14183 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665699962880 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 88
> >>>> key (484129 108 2850816) itemoff 14130 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665848733696 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 89
> >>>> key (484129 108 11042816) itemoff 14077 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10660869349376 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 90
> >>>> key (484129 108 13402112) itemoff 14024 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10660207378432 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 91
> >>>> key (484129 108 19628032) itemoff 13971 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665835618304 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 92
> >>>> key (484129 108 21266432) itemoff 13918 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10661222666240 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 93
> >>>> key (484129 108 22740992) itemoff 13865 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665565814784 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 94
> >>>> key (484129 108 23101440) itemoff 13812 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665836371968 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 95
> >>>> key (484129 108 24084480) itemoff 13759 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665836404736 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 96
> >>>> key (484129 108 24150016) itemoff 13706 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665849159680 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 97
> >>>> key (484129 108 24313856) itemoff 13653 itemsize 53
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data disk bytenr 10665849192448 nr 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09extent data offset 0 nr 32768 ram 32768
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 98
> >>>> key (484147 1 0) itemoff 13493 itemsize 160
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - -
> >>>> \x09\x09inode generation 45 size 886 mode 40755
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 99
> >>>> key (484147 72 4) itemoff 13485 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 100
> >>>> key (484147 72 27) itemoff 13477 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 101
> >>>> key (484147 72 35) itemoff 13469 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 102
> >>>> key (484147 72 40) itemoff 13461 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 103
> >>>> key (484147 72 45) itemoff 13453 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - \x09item 104
> >>>> key (484147 72 52) itemoff 13445 itemsize 8
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS error
> >>>> (device sda2): block=203366612992 write time tree block corruption
> >>>> detected
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS: error
> >>>> (device sda2: state AL) in free_log_tree:3284: errno=-5 IO failure
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS info
> >>>> (device sda2: state EAL): forced readonly
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS
> >>>> warning (device sda2: state EAL): Skipping commit of aborted
> >>>> transaction.
> >>>> 2022-12-26T07:44:45.000000+01:00 server02 kernel - - - BTRFS: error
> >>>> (device sda2: state EAL) in cleanup_transaction:1958: errno=-5 IO
> >>>> failure
> >>>>
> >>>>
> >>>> There are no SSD access errors in the kernel logs. Smart data for
> >>>> the SSD is normal. I also did a 12 hour memtest to rule out bad RAM.
> >>>>
> >>>> The filesystem consists of a single 480GB SATA SSD (Corsair Neutron
> >>>> XTI). The problems occurs only on one machine.
> >>>>
> >>>> The error appears about every few days and seems to be triggered by
> >>>> a cspecially under high cpu utilization combined with some disk IO.
> >>>> CPU temperature never exceeds 60 degrees.
> >>>
> >>> See the ticket for more details.
> >>>
> >>> For the record, the issue is apparently different from the 6.2-rc
> >>> regression currently discussed, as stated here:
> >>> https://lore.kernel.org/lkml/462e7bd3-d1f2-3718-fde9-77b418e9fd91@gmx.com/
> >>>
> >>>
> >>> BTW, let me use this mail to also add the report to the list of tracked
> >>> regressions to ensure it's doesn't fall through the cracks:
> >>>
> >>> #regzbot introduced: v6.0..v6.1
> >>> https://bugzilla.kernel.org/show_bug.cgi?id=216851
> >>> #regzbot title: btrfs: write time corrupting for log tree in 6.1
> >>> #regzbot ignore-activity
> >>
> >> #regzbot fix: 'btrfs: fix false alert on bad tree level check'
> >
> > Oh no, this is a different one, this one is not level mismatch.
> >
> > Thanks,
> > Qu
>
> Hi,
>
> Here the logging from another crash, this time on kernel 6.1.3, about 1
> hour after boot. Again during high CPU usage combined with lots of io.
>
> [ 1989.025015] BTRFS critical (device sda2): corrupt leaf:
> root=18446744073709551610 block=574078976 slot=70, bad key order, prev
> (484119 96 1328571) current (484119 96 1328553)
> [ 1989.025022] BTRFS info (device sda2): leaf 574078976 gen 5089233
> total ptrs 108 free space 10370 owner 18446744073709551610
> [ 1989.025024]  item 0 key (484119 1 0) itemoff 16123 itemsize 160
> [ 1989.025025]          inode generation 45 size 2198 mode 40700
> [ 1989.025026]  item 1 key (484119 12 484118) itemoff 16097 itemsize 26
> [ 1989.025027]  item 2 key (484119 72 15) itemoff 16089 itemsize 8
> [ 1989.025027]  item 3 key (484119 72 20) itemoff 16081 itemsize 8
>
> ...

Can you please paste the full message?
If an error/warning, don't just paste a section of the message, paste
the full thing.

I've previously commented on that in the other thread:

https://lore.kernel.org/linux-btrfs/CAL3q7H6RbPsa9Ff9or6+0d4R5vzVcR=RPxHA0=3A_KeSmf7hcQ@mail.gmail.com/

Thanks.


>
> [ 1989.025135]  item 105 key (484147 1 0) itemoff 13086 itemsize 160
> [ 1989.025137]          inode generation 45 size 886 mode 40755
> [ 1989.025138]  item 106 key (484147 72 4) itemoff 13078 itemsize 8
> [ 1989.025139]  item 107 key (484147 72 27) itemoff 13070 itemsize 8
> [ 1989.025140] BTRFS error (device sda2): block=574078976 write time
> tree block corruption detected
> [ 1989.053710] BTRFS: error (device sda2: state AL) in
> free_log_tree:3284: errno=-5 IO failure
> [ 1989.053717] BTRFS info (device sda2: state EAL): forced readonly
> [ 1989.055442] BTRFS warning (device sda2: state EAL): Skipping commit
> of aborted transaction.
> [ 1989.055444] BTRFS: error (device sda2: state EAL) in
> cleanup_transaction:1958: errno=-5 IO failure
>
> Thanks in advance,
>
> David Arendt
>