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Re: xfs deadlock in stable kernel 3.0.4

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: xfs deadlock in stable kernel 3.0.4
From: Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx>
Date: Tue, 13 Sep 2011 21:31:13 +0200
Cc: "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>, "xfs-masters@xxxxxxxxxxx" <xfs-masters@xxxxxxxxxxx>
In-reply-to: <4E6EF274.7050007@xxxxxxxxxxxx>
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Am 13.09.2011 08:04, schrieb Stefan Priebe - Profihost AG:
Hi,

On Mon, Sep 12, 2011 at 06:46:26PM +0200, Stefan Priebe wrote:
What kind of workload are you running? Also did the workload run fine
with an older kernel, and if yes which one?

Mysql, Web, Mail, ftp ;-) yes it was with 2.6.32. I upgraded from
that version.

Just curious, is this the same system that also shows the freezes
reported to the scsi list? If I/Os don't get completed by lower layers
I can see how we get everything in XFS waiting on the log reservations,
given that we never get the log tail pushed.

I just reported it to the scsi list as i didn't knew where the problems
is. But then some people told be it must be a XFS problem.

Some more informations:
1.) It's running with 2.6.32 and 2.6.38
2.) I can also write to another ext2 part on the same disk array(aacraid
driver) while xfs stucks - so i think it must be an xfs problem
3.) I've also tried running 3.1-rc5 but then i'm seeing this error:

> ...


Any idea what we could try next or how to find the problem? At least this is happening with different devices and writing to other partitions is still working.

Greets
Stefan

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