From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Hellstrom <thellstrom@vmware.com>
Subject: Re: Breakage in "track dev_mapping in more robust and flexible way"
Date: Fri, 26 Oct 2012 10:11:05 +0200
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To: Ilija Hadzic <ihadzic@research.bell-labs.com>
Cc: Dave Airlie <airlied@redhat.com>, linux-graphics-maintainer@vmware.com, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>
List-Id: dri-devel@lists.freedesktop.org

Hi,

On 10/25/2012 11:27 PM, Ilija Hadzic wrote:
>
> Can you give the attached patch a whirl and let me know if it fixes 
> the problem?
>
> As I indicated in my previous note, vmwgfx should be the only affected 
> driver because it looks at dev_mapping in the open hook (others do it 
> when they create an object, so they are not affected).
>
> I'll probably revise it (and I'll have some general questions about 
> drm_open syscall) before officially send the patch, but I wanted to 
> get something quickly to you to check if it fixes your problem. I hope 
> that your vmwgfx test environment is such that you can reproduce the 
> original
> problem.
>
> thanks,
>
> -- Ilija

Yes, it appears like this patch fixes the problem. It'd be good to have 
it in 3.7 (drm-fixes) with a cc to stable.

/Thomas