Re: [next] Null pointer dereference in nouveau_vm_map_sg

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On Tue, Jan 17, 2012 at 12:57:50AM +0100, Martin Nyhus wrote:
> 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).

I seem to be able to trigger this by using both Chrome and Firefox and 
seeing a YouTube video. I did at that time have a dual-head display, while
in the past to reproduce this I had only one monitor and it took a bit of
time before I hit it.
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