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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Martin Nyhus <martin.nyhus@gmx.com>
Cc: Jerome Glisse <j.glisse@gmail.com>,
	Ben Skeggs <bskeggs@redhat.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [next] Null pointer dereference in nouveau_vm_map_sg
Date: Sun, 22 Jan 2012 13:33:16 -0500	[thread overview]
Message-ID: <20120122183316.GA12594@phenom.dumpdata.com> (raw)
In-Reply-To: <201201170057.51404.martin.nyhus@gmx.com>

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.

  reply	other threads:[~2012-01-22 18:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-15 21:31 Martin Nyhus
2012-01-16 20:30 ` Jerome Glisse
2012-01-16 23:57   ` Martin Nyhus
2012-01-22 18:33     ` Konrad Rzeszutek Wilk [this message]
2012-01-24 22:33       ` Jerome Glisse
2012-01-25  0:12         ` Martin Nyhus
2012-01-25 16:54           ` Jerome Glisse

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