xfs
[Top] [All Lists]

Re: Circular locking dependency warning involing xfs on 2.6.27

To: Tejun Heo <tj@xxxxxxxxxx>
Subject: Re: Circular locking dependency warning involing xfs on 2.6.27
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 21 Jan 2010 03:56:55 -0500
Cc: lkml <linux-kernel@xxxxxxxxxxxxxxx>, Alex Elder <aelder@xxxxxxx>, xfs@xxxxxxxxxxx, Carsten Aulbert <carsten.aulbert@xxxxxxxxxx>
In-reply-to: <4B57ADB4.70002@xxxxxxxxxx>
References: <4B57ADB4.70002@xxxxxxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)
On Thu, Jan 21, 2010 at 10:28:20AM +0900, Tejun Heo wrote:
> Hello,
> 
> This is on a pretty old kernel but Carsten reports that it happens
> occassionally in a pretty large setup involving 1500+ machines (please
> feel free to fill in).  This happens pretty sporadically so reporting
> it just in case this is a yet unknown problem.  As I understand it,
> testing with newer kernel isn't out of question but it being a
> production environment, not a very easy thing.

I think the one below is gone.  We still have a very similar one that
can only happen during unmount, and we're trying to sort that one at the
VFS level (see the current thread on -fsdevel)

<Prev in Thread] Current Thread [Next in Thread>