From: David Sterba <dsterba@suse.cz>
To: Liu Bo <bo.li.liu@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 1/2] Btrfs: fix kernel oops while reading compressed data
Date: Sun, 24 Sep 2017 15:04:41 +0200 [thread overview]
Message-ID: <20170924130441.GQ29043@twin.jikos.cz> (raw)
In-Reply-To: <20170920235019.10508-1-bo.li.liu@oracle.com>
On Wed, Sep 20, 2017 at 05:50:18PM -0600, Liu Bo wrote:
> The kernel oops happens at
>
> kernel BUG at fs/btrfs/extent_io.c:2104!
> ...
> RIP: clean_io_failure+0x263/0x2a0 [btrfs]
>
> It's showing that read-repair code is using an improper mirror index.
> This is due to the fact that compression read's endio hasn't recorded
> the failed mirror index in %cb->orig_bio.
This sounds like the corner case of raid1 repair that was reported i the
past and actually is the only thing because of which we are not so
comfortable to mark raid1 'completely ok' in the Status page.
next prev parent reply other threads:[~2017-09-24 13:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 23:50 [PATCH 1/2] Btrfs: fix kernel oops while reading compressed data Liu Bo
2017-09-20 23:50 ` [PATCH 2/2] Btrfs: skip checksum when reading compressed data if some IO have failed Liu Bo
2017-09-24 13:48 ` David Sterba
2017-09-24 13:04 ` David Sterba [this message]
2017-09-24 13:45 ` [PATCH 1/2] Btrfs: fix kernel oops while reading compressed data David Sterba
2017-09-26 8:41 ` Paul Jones
2017-09-26 11:33 ` David Sterba
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=20170924130441.GQ29043@twin.jikos.cz \
--to=dsterba@suse.cz \
--cc=bo.li.liu@oracle.com \
--cc=linux-btrfs@vger.kernel.org \
/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