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Re: __write_lock_failed

To: stefanx <stefanx@xxxxxxxxxxxxxxxxxxx>
Subject: Re: __write_lock_failed
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 9 May 2011 10:18:46 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4DC3E566.8070601@xxxxxxxxxxxxxxxxxxx>
References: <4DC3E566.8070601@xxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Fri, May 06, 2011 at 02:11:18PM +0200, stefanx wrote:
> 
> Hello,
> 
> some of my virtual machines (kvm/qemu) sometimes crash (xfs, Ubuntu 10.04, 
> 2.6.32-31-x86_64).
> I think it happens while taking LVM-snapshots from the XFS-Filesystem of that 
> machines:

This area has gotten a lot of changes since 2.6.32, including removing
the lock that's causing softlockups for you.  I don't think there's much
of a chance for help with a kernel that old as people's minds have moved
on to much more recent codebases.

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