linux-kernel - Re: System freeze on shutdown - bisected to commit 29d08b3efddc

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Message-ID: <1286324509.2505.0.camel@clockmaker-el6>
Date:	Wed, 06 Oct 2010 10:21:49 +1000
From:	Dave Airlie <airlied@...hat.com>
To:	Marc Dionne <marc.c.dionne@...il.com>,
	Ben Skeggs <skeggsb@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: System freeze on shutdown - bisected to commit 29d08b3efddc

On Tue, 2010-10-05 at 18:24 -0400, Marc Dionne wrote:
> Hi,
> 
> My system has been crashing these past few days when issuing "reboot"
> or hitting the Shut Down button in gnome.  I get a series of stack
> traces scrolling on the console before things freeze up completely.
> The traces that I do see at the end point to kmem_cache_alloc called
> from get_empty_filp, but there are typically various other traces
> above it.

cc'ing Ben.

Dave.

> 
> It is easily reproducible so I took the time today to bisect it down
> to this recent commit:
>    29d08b3efddca628b0360411ab2b85f7b1723f48
>    drm/gem: handlecount isn't really a kref so don't make it one
> 
> Reverting the commit on top of current git fixes the problem.  The
> system has an Nvidia card and loads the nouveau driver.  Current
> .config is attached.
> 
> Marc


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