From: Mike Snitzer <snitzer@redhat.com>
To: Dave Chinner <david@fromorbit.com>
Cc: dm-devel@redhat.com, xfs@oss.sgi.com, Matteo Frigo <athena@fftw.org>
Subject: Re: pvmove corrupting XFS filesystems (was Re: [BUG] Internal error xfs_dir2_data_reada_verify)
Date: Wed, 27 Feb 2013 10:07:15 -0500 [thread overview]
Message-ID: <20130227150715.GA4492@redhat.com> (raw)
In-Reply-To: <20130227014900.GY5551@dastard>
On Tue, Feb 26 2013 at 8:49pm -0500,
Dave Chinner <david@fromorbit.com> wrote:
> On Wed, Feb 27, 2013 at 01:04:14AM +0000, Alasdair G Kergon wrote:
> > (Quick pointers that might be relevant)
> >
> > EAGAIN, I'm not aware of dm itself returning that on the i/o path.
>
> Neither am I, but it's coming from somewhere in the IO path...
>
> > For 3.8 issues, read dm-devel around https://www.redhat.com/archives/dm-devel/2013-February/msg00086.html
> > (I queued the dm-side fixes for linux-next earlier today)
>
> It's reproducable on lots of different kernels, apparently - 3.8,
> 3.4.33, CentOS 6.3, debian sid/wheezy and Fedora 18 were mentioned
> specifically by the OP - so it doesn't look like a recent
> regression or constrained to a specific kernel.
>
> > For pvmove, check exactly which version and whether discards are enabled: there
> > was a userspace bug for a short period some time ago when discards were enabled.
>
> The version I used to reproduce on a 3.8.0 kernel was:
>
> $ pvmove --version
> LVM version: 2.02.95(2) (2012-03-06)
> Library version: 1.02.74 (2012-03-06)
> Driver version: 4.23.1
Was issue_discards enabled in lvm.conf?
If so, as Alasdair said, this lvm2 2.02.97 fix is needed:
http://git.fedorahosted.org/cgit/lvm2.git/commit/?id=07a25c249b3e
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next prev parent reply other threads:[~2013-02-27 15:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 0:47 [BUG] Internal error xfs_dir2_data_reada_verify Matteo Frigo
2013-02-26 4:40 ` [BUG] pvmove corrupting XFS filesystems (was Re: [BUG] Internal error xfs_dir2_data_reada_verify) Dave Chinner
2013-02-26 11:29 ` Matteo Frigo
2013-02-27 1:04 ` [dm-devel] " Alasdair G Kergon
2013-02-27 1:49 ` Dave Chinner
2013-02-27 2:21 ` Matteo Frigo
2013-02-27 2:29 ` Dave Chinner
2013-03-07 12:13 ` Matteo Frigo
2013-03-07 22:31 ` Dave Chinner
2013-03-07 22:50 ` Dave Chinner
2013-03-08 0:09 ` Matteo Frigo
2013-03-08 1:57 ` Dave Chinner
2013-03-08 11:38 ` Matteo Frigo
2013-02-27 15:07 ` Mike Snitzer [this message]
2013-02-27 15:10 ` Matteo Frigo
2013-02-27 23:07 ` Dave Chinner
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