Re: - possible recursive locking detected - in XFS

From: Jesper Juhl
Date: Thu Apr 26 2007 - 06:18:15 EST

On 26/04/07, David Chinner <dgc@xxxxxxx> wrote:
On Wed, Apr 25, 2007 at 11:16:57AM +0200, Jesper Juhl wrote:
> Hi,
> For your information :
> Once in a while I see the message below after I've just created a new XFS filesystem, mount it and then start copying data to it.


> =============================================
> [ INFO: possible recursive locking detected ]
> #1
> ---------------------------------------------
> xfs_fsr/6117 is trying to acquire lock:
> (&(&ip->i_lock)->mr_lock){----}, at: [<f929422d>] xfs_ilock+0x7d/0xa0 [xfs]
> but task is already holding lock:
> (&(&ip->i_lock)->mr_lock){----}, at: [<f929422d>] xfs_ilock+0x7d/0xa0 [xfs]

Known false positive - XFS doesn't have the annotations needed for
this yet; we've got a patch that will probably make it's way into 6.5.22 that
should fix most of these issues.

Ok. Thanks for the feedback.

Jesper Juhl <jesper.juhl@xxxxxxxxx>
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