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From: Martin Nyhus <martin.nyhus@gmx.com>
To: Jerome Glisse <j.glisse@gmail.com>
Subject: Re: [next] Null pointer dereference in nouveau_vm_map_sg
Date: Tue, 17 Jan 2012 00:57:50 +0100
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Cc: Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>,
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On Monday 16. January 2012 21:30:59 Jerome Glisse wrote:
> On Sun, Jan 15, 2012 at 10:31:08PM +0100, Martin Nyhus wrote:
> > In some cases mem will be null in nouveau_vm_map_sg, resulting in a crash
> > at drivers/gpu/drm/nouveau/nouveau_vm.c:84. It seems to be easy enough to
> > reproduce, so I can test patches if needed.
> How do you trigger this ?

Opening 10-15 high-res pictures in Firefox triggers it every time. Doing the 
same using Gimp does not, and neither does Firefox and lots of small images 
(eg. Google image search).

	Martin