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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 11:21:33 -0400
Cc: "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>, "xfs-masters@xxxxxxxxxxx" <xfs-masters@xxxxxxxxxxx>
In-reply-to: <1D2B34A7-7BB9-4E4E-9CA2-382C210E125F@xxxxxxxxxxxx>
References: <1D2B34A7-7BB9-4E4E-9CA2-382C210E125F@xxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Sat, Sep 10, 2011 at 02:23:12PM +0200, Stefan Priebe wrote:
> Hello List,
> 
> on some of our heavy loaded servers using xfs we're seeing a deadlock where 
> reading/writing to the xfs filesystem suddenly stops working.
> 
> Here you can find sysrq w triggered log messages of the locked processes.
> 
> http://pastebin.com/JWjrbrh4

What kind of workload are you running?  Also did the workload run fine
with an older kernel, and if yes which one?

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