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Message-ID: <ae169fc6-f504-28f0-a098-6fa6a4dfb612@leemhuis.info>
Date: Tue, 27 Dec 2022 15:01:34 +0100
From: Thorsten Leemhuis <regressions@...mhuis.info>
To: linux-btrfs <linux-btrfs@...r.kernel.org>
Cc: 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: [regression] Bug 216851 - btrfs write time corrupting for log tree
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
Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
P.S.: As the Linux kernel's regression tracker I deal with a lot of
reports and sometimes miss something important when writing mails like
this. If that's the case here, don't hesitate to tell me in a public
reply, it's in everyone's interest to set the public record straight.
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