From: Josef Bacik <jbacik@fb.com>
To: Chris Mason <clm@fb.com>, Dave Jones <davej@codemonkey.org.uk>,
"Andy Lutomirski" <luto@amacapital.net>,
Andy Lutomirski <luto@kernel.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
Jens Axboe <axboe@fb.com>, Al Viro <viro@zeniv.linux.org.uk>,
David Sterba <dsterba@suse.com>,
linux-btrfs <linux-btrfs@vger.kernel.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: bio linked list corruption.
Date: Fri, 21 Oct 2016 16:41:09 -0400 [thread overview]
Message-ID: <411b54cd-c23c-765a-9547-0b43bf422546@fb.com> (raw)
In-Reply-To: <0cbc7ee4-9268-9765-dde7-1e28c4cdf8f0@fb.com>
On 10/21/2016 04:38 PM, Chris Mason wrote:
>
>
> On 10/21/2016 04:23 PM, Dave Jones wrote:
>> On Fri, Oct 21, 2016 at 04:17:48PM -0400, Chris Mason wrote:
>>
>> > > BTRFS warning (device sda3): csum failed ino 130654 off 0 csum 2566472073
>> expected csum 3008371513
>> > > BTRFS warning (device sda3): csum failed ino 131057 off 4096 csum
>> 3563910319 expected csum 738595262
>> > > BTRFS warning (device sda3): csum failed ino 131176 off 4096 csum
>> 1344477721 expected csum 441864825
>> > > BTRFS warning (device sda3): csum failed ino 131241 off 245760 csum
>> 3576232181 expected csum 2566472073
>> > > BTRFS warning (device sda3): csum failed ino 131429 off 0 csum 1494450239
>> expected csum 2646577722
>> > > BTRFS warning (device sda3): csum failed ino 131471 off 0 csum 3949539320
>> expected csum 3828807800
>> > > BTRFS warning (device sda3): csum failed ino 131471 off 4096 csum
>> 3475108475 expected csum 2566472073
>> > > BTRFS warning (device sda3): csum failed ino 131471 off 958464 csum
>> 142982740 expected csum 2566472073
>> > > BTRFS warning (device sda3): csum failed ino 131471 off 0 csum 3949539320
>> expected csum 3828807800
>> > > BTRFS warning (device sda3): csum failed ino 131532 off 270336 csum
>> 3138898528 expected csum 2566472073
>> > > BTRFS warning (device sda3): csum failed ino 131532 off 1249280 csum
>> 2169165042 expected csum 2566472073
>> > > BTRFS warning (device sda3): csum failed ino 131649 off 16384 csum
>> 2914965650 expected csum 1425742005
>> > >
>> > >
>> > > A curious thing: the expected csum 2566472073 turns up a number of times
>> for different inodes, and gets
>> > > differing actual csums each time. I suppose this could be something like
>> a block of all zeros in multiple files,
>> > > but it struck me as surprising.
>> > >
>> > > btrfs people: is there an easy way to map those inodes to a filename ?
>> I'm betting those are the
>> > > test files that trinity generates. If so, it might point to a race
>> somewhere.
>> >
>> > btrfs inspect inode 130654 mntpoint
>>
>> Interesting, they all return
>>
>> ERROR: ino paths ioctl: No such file or directory
>>
>> So these files got deleted perhaps ?
>>
> Yeah, they must have.
>
So one thing that will cause spurious csum errors is if you do things like
change the memory while it is in flight during O_DIRECT. Does trinity do that?
If so then that would explain it. If not we should probably dig into it. Thanks,
Josef
next prev parent reply other threads:[~2016-10-21 20:43 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-11 14:45 btrfs bio linked list corruption Dave Jones
2016-10-11 15:11 ` Al Viro
2016-10-11 15:19 ` Dave Jones
2016-10-11 15:20 ` Chris Mason
2016-10-11 15:49 ` Dave Jones
2016-10-11 15:54 ` Chris Mason
2016-10-11 16:25 ` Dave Jones
2016-10-12 13:47 ` Dave Jones
2016-10-12 14:40 ` Dave Jones
2016-10-12 14:42 ` Chris Mason
2016-10-13 18:16 ` Dave Jones
2016-10-13 21:18 ` Chris Mason
2016-10-13 21:56 ` Dave Jones
2016-10-16 0:42 ` Dave Jones
2016-10-18 1:07 ` Chris Mason
2016-10-18 22:42 ` Dave Jones
2016-10-18 23:12 ` Jens Axboe
2016-10-18 23:31 ` Chris Mason
2016-10-18 23:36 ` Jens Axboe
2016-10-18 23:39 ` Linus Torvalds
2016-10-18 23:42 ` Chris Mason
2016-10-19 0:10 ` Linus Torvalds
2016-10-19 0:19 ` Chris Mason
2016-10-19 0:28 ` Linus Torvalds
2016-10-20 22:48 ` Dave Jones
2016-10-19 1:05 ` Andy Lutomirski
2016-10-20 22:50 ` Dave Jones
2016-10-20 23:01 ` Andy Lutomirski
2016-10-20 23:03 ` Dave Jones
2016-10-20 23:23 ` Andy Lutomirski
2016-10-21 20:02 ` Dave Jones
2016-10-21 20:17 ` Chris Mason
2016-10-21 20:23 ` Dave Jones
2016-10-21 20:38 ` Chris Mason
2016-10-21 20:41 ` Josef Bacik [this message]
2016-10-21 21:11 ` Dave Jones
2016-10-22 15:20 ` Dave Jones
2016-10-23 21:32 ` Chris Mason
2016-10-24 4:40 ` Dave Jones
2016-10-24 13:42 ` Chris Mason
2016-10-26 0:27 ` Dave Jones
2016-10-26 1:33 ` Linus Torvalds
2016-10-26 1:39 ` Linus Torvalds
2016-10-26 16:30 ` Dave Jones
2016-10-26 16:48 ` Linus Torvalds
2016-10-26 18:18 ` Dave Jones
2016-10-26 18:42 ` Dave Jones
2016-10-26 19:06 ` Linus Torvalds
2016-10-26 20:00 ` Chris Mason
2016-10-26 21:52 ` Chris Mason
2016-10-26 22:21 ` Linus Torvalds
2016-10-26 22:40 ` Dave Jones
2016-10-26 22:51 ` Linus Torvalds
2016-10-26 22:55 ` Jens Axboe
2016-10-26 22:58 ` Linus Torvalds
2016-10-26 23:03 ` Jens Axboe
2016-10-26 23:07 ` Dave Jones
2016-10-26 23:08 ` Linus Torvalds
2016-10-26 23:20 ` Jens Axboe
2016-10-26 23:38 ` Chris Mason
2016-10-26 23:47 ` Dave Jones
2016-10-27 0:00 ` Jens Axboe
2016-10-27 13:33 ` Chris Mason
2016-10-31 18:55 ` Dave Jones
2016-10-31 19:35 ` Linus Torvalds
2016-10-31 19:44 ` Chris Mason
2016-11-06 16:55 ` btrfs btree_ctree_super fault Dave Jones
2016-11-08 14:59 ` Dave Jones
2016-11-08 15:08 ` Chris Mason
2016-11-10 14:35 ` Dave Jones
2016-11-10 15:27 ` Chris Mason
2016-11-23 19:34 ` bio linked list corruption Dave Jones
2016-11-23 19:58 ` Dave Jones
2016-12-01 15:32 ` btrfs_destroy_inode warn (outstanding extents) Dave Jones
2016-12-03 16:48 ` Dave Jones
2016-12-07 16:15 ` Dave Jones
2016-12-09 21:12 ` Steven Rostedt
2016-12-04 23:04 ` bio linked list corruption Vegard Nossum
2016-12-05 11:10 ` Vegard Nossum
2016-12-05 17:09 ` Vegard Nossum
2016-12-05 17:21 ` Dave Jones
2016-12-05 17:55 ` Linus Torvalds
2016-12-05 19:11 ` Vegard Nossum
2016-12-05 20:10 ` Linus Torvalds
2016-12-05 20:35 ` Linus Torvalds
2016-12-05 21:33 ` Vegard Nossum
2016-12-06 8:42 ` Vegard Nossum
2016-12-06 8:16 ` Peter Zijlstra
2016-12-06 8:36 ` Ingo Molnar
2016-12-06 16:33 ` Linus Torvalds
2016-12-05 20:10 ` Vegard Nossum
2016-12-05 18:11 ` Andy Lutomirski
2016-12-05 18:25 ` Linus Torvalds
2016-12-05 18:26 ` Vegard Nossum
2016-10-26 23:19 ` Chris Mason
2016-10-26 23:21 ` Jens Axboe
2016-10-27 6:33 ` Christoph Hellwig
2016-10-27 16:34 ` Linus Torvalds
2016-10-27 16:36 ` Jens Axboe
2016-10-26 23:01 ` Dave Jones
2016-10-26 23:05 ` Jens Axboe
2016-10-26 22:52 ` Jens Axboe
2016-10-26 22:07 ` Linus Torvalds
2016-10-26 22:54 ` Chris Mason
2016-10-27 5:41 ` Dave Chinner
2016-10-27 17:23 ` Dave Jones
2016-10-24 20:06 ` Andy Lutomirski
2016-10-24 20:46 ` Linus Torvalds
2016-10-24 21:17 ` Linus Torvalds
2016-10-24 21:50 ` Linus Torvalds
2016-10-24 22:02 ` Chris Mason
2016-10-24 22:42 ` Andy Lutomirski
2016-10-25 0:00 ` Linus Torvalds
2016-10-25 1:09 ` Andy Lutomirski
2016-10-19 17:09 ` Philipp Hahn
2016-10-19 17:43 ` Linus Torvalds
2016-10-20 6:52 ` Ingo Molnar
2016-10-20 7:17 ` Thomas Gleixner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=411b54cd-c23c-765a-9547-0b43bf422546@fb.com \
--to=jbacik@fb.com \
--cc=axboe@fb.com \
--cc=clm@fb.com \
--cc=davej@codemonkey.org.uk \
--cc=dsterba@suse.com \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=luto@kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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).