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Re: xfs deadlock in stable kernel 3.0.4

To: Stefan Priebe - Profihost AG <s.priebe@xxxxxxxxxxxx>
Subject: Re: xfs deadlock in stable kernel 3.0.4
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 14 Sep 2011 10:30:21 -0400
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, "xfs-masters@xxxxxxxxxxx" <xfs-masters@xxxxxxxxxxx>, aelder@xxxxxxx, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
In-reply-to: <4E706A90.9080200@xxxxxxxxxxxx>
References: <1D2B34A7-7BB9-4E4E-9CA2-382C210E125F@xxxxxxxxxxxx> <20110912152133.GA8345@xxxxxxxxxxxxx> <C6515E45-5724-43DD-95A8-1F89AFE29601@xxxxxxxxxxxx> <20110912200543.GA22409@xxxxxxxxxxxxx> <4E6EF274.7050007@xxxxxxxxxxxx> <20110913205018.GA8543@xxxxxxxxxxxxx> <4E70571A.80108@xxxxxxxxxxxx> <4E705C42.6020909@xxxxxxxxxxxx> <4E706A90.9080200@xxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Wed, Sep 14, 2011 at 10:49:20AM +0200, Stefan Priebe - Profihost AG wrote:
> >Sadly it was now crashing with 3.1 rc-6 + patch again. Sorry i was to
> >fast to write you an email.
> 
> So might it be that the problem at least in 3.1 lies in:
> [] ? mark_held_locks+0xc9/0xef
> [] ? _raw_spin_unlock_irqrestore+0x3f/0x47
> 
> and not in XFS?

That's the lockdep code.

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