linux-kernel - Re: [REGRESSION 2.6-git] possible circular locking dependency detected with XFS

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Message-ID: <6bffcb0e0706221553s3a74ef58hcadc69bfa252283@mail.gmail.com>
Date:	Sat, 23 Jun 2007 00:53:11 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Oliver Pinter" <oliver.pntr@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>, dgc@....com
Subject: Re: [REGRESSION 2.6-git] possible circular locking dependency detected with XFS

Hi Oliver,

On 22/06/07, Oliver Pinter <oliver.pntr@...il.com> wrote:
> Hi all!
>
> I found this info:
>
> =======================================================
> [ INFO: possible circular locking dependency detected ]
> 2.6.22-rc5-wifi1 #2
> -------------------------------------------------------
> mount/2209 is trying to acquire lock:
>  (&(&ip->i_lock)->mr_lock/1){--..}, at: [<c022b62d>] xfs_ilock+0x66/0x90
>
> but task is already holding lock:
>  (&(&ip->i_lock)->mr_lock){----}, at: [<c022b62d>] xfs_ilock+0x66/0x90
>

AFAIR it is not a regression. It is a known bug (harmless).

Regards,
Michal

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