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Subject: Re: [patch, -rc5-mm1] lock validator, fix NULL type->name bug
From: Arjan van de Ven <arjan@infradead.org>
To: Mike Galbraith <efault@gmx.de>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org
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Date: Tue, 30 May 2006 14:14:16 +0200
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On Tue, 2006-05-30 at 14:05 +0200, Mike Galbraith wrote:
> On Tue, 2006-05-30 at 13:58 +0200, Mike Galbraith wrote:
> 
> > =====================================================
> > [ BUG: possible circular locking deadlock detected! ]
> > -----------------------------------------------------
> > mount/2545 is trying to acquire lock:
> >  (&ni->mrec_lock){--..}, at: [<b13d1563>] mutex_lock+0x8/0xa
> > 
> > ...and deadlocks.
> > 
> > I'll try to find out what it hates.
> 
> It hates NTFS.


hummm. NTFS does really really weird things with mutexes...
can you try to enable the mutex debugging config option to see if that
triggers anything?

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