From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: list@jonas-server.de
Cc: Emmanuel Florac <eflorac@intellique.com>,
Brian Foster <bfoster@redhat.com>,
linux-xfs@vger.kernel.org, linux-xfs-owner@vger.kernel.org
Subject: Re: XFS Calltraces by using XFS with Ceph
Date: Fri, 16 Jun 2017 10:46:47 -0700 [thread overview]
Message-ID: <20170616174646.GD5421@birch.djwong.org> (raw)
In-Reply-To: <7c00729f5554099fcf5eae65ee1cb4a0@jonas-server.de>
On Fri, Jun 16, 2017 at 07:37:11AM +0200, list@jonas-server.de wrote:
> Am 2017-06-15 19:20, schrieb Emmanuel Florac:
> >Le Thu, 15 Jun 2017 07:55:12 +0200
> >list@jonas-server.de écrivait:
> >
> >>> Looking at the new Elixir[1], it looks like we're trying to deref
> >>> ((*bpp)->b_addr)->magic, so that might explain the crash you see.
> >>>
> >>> --D
> >>>
> >>> [1]
> >>> http://elixir.free-electrons.com/linux/v4.4.72/source/fs/xfs/libxfs/xfs_da_btree.c#L270
> >>>
> >>>>
> >
> >Indeed that matches exactly the crash Darrick mentioned. Looks like you
> >need either a special hand-patched kernel... or wait for an official
> >fix for this one :/
>
> When will a fix normally be in the ubuntu kernel? I need to have a stable
> distribution kernel, I can not install a patched version.
Like Emmanuel said, first a fix has to go upstream, then it can go to the
4.4 stable kernel, and then it'll probably end up in the Ubuntu kernel.
Can you post a metadump of the xfs filesystem somewhere for further
analysis? I'm pretty sure it's the same problem reported by David Shaw
on this list a couple of weeks ago. Since you can't run one-off test
kernels, send us a metadump for recreation in a lab is the only other
way to figure out if the fix works.
(And yes, I /do/ have a lightly tested fix which I'm about to send out.)
--D
> --
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next prev parent reply other threads:[~2017-06-16 17:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-14 8:22 XFS Calltraces by using XFS with Ceph list
2017-06-14 12:08 ` Brian Foster
2017-06-14 13:22 ` list
2017-06-14 14:07 ` Brian Foster
2017-06-14 15:55 ` Darrick J. Wong
2017-06-15 5:55 ` list
2017-06-15 17:20 ` Emmanuel Florac
2017-06-16 5:37 ` list
2017-06-16 13:15 ` Emmanuel Florac
2017-06-16 17:46 ` Darrick J. Wong [this message]
2017-06-19 10:17 ` list
2017-07-10 6:34 ` list
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