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Re: xfs deadlock in stable kernel 3.0.4

To: Stefan Priebe <s.priebe@xxxxxxxxxxxx>
Subject: Re: xfs deadlock in stable kernel 3.0.4
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 12 Sep 2011 16:05:43 -0400
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>, "xfs-masters@xxxxxxxxxxx" <xfs-masters@xxxxxxxxxxx>
In-reply-to: <C6515E45-5724-43DD-95A8-1F89AFE29601@xxxxxxxxxxxx>
References: <1D2B34A7-7BB9-4E4E-9CA2-382C210E125F@xxxxxxxxxxxx> <20110912152133.GA8345@xxxxxxxxxxxxx> <C6515E45-5724-43DD-95A8-1F89AFE29601@xxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
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.

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