[Intel-gfx] I965 Xorg lockup with VBOs?

Peter Clifton pcjc2 at cam.ac.uk
Mon Feb 2 18:53:56 CET 2009


On Mon, 2009-02-02 at 08:34 -0800, Eric Anholt wrote:
> On Mon, 2009-02-02 at 04:16 +0000, Peter Clifton wrote:
> > Hi,
> > 
> > Just thought I'd ping this log here.. I'm still learning GL, and I
> > "thought" had successfully mapped a vertex buffer in order to render
> > some triangles. It works, however, I managed to cause a lockup in the
> > Xorg server with it twice 
> 
> Yeah, you shouldn't be able to do that.  If you can isolate a testcase,
> I'd love to see it in bugzilla.

Took a bit of doing, but I found a vaguely simple test-case. Might be
able to get it smaller though, but I figured reproduction would be the
first step. (I just copied the general sequence of stupid things I was
doing from various rendering functions before I fixed my program).

http://bugs.freedesktop.org/show_bug.cgi?id=19911

Best wishes,

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)




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