Intel and Xorg freeze - what may be the problem?

Chris Wilson chris at
Tue Apr 20 04:05:03 PDT 2010

On Tue, 20 Apr 2010 12:55:44 +0200, Gábor Lénárt <lgb at> wrote:
> On Tue, Apr 20, 2010 at 12:07:14PM +0200, Łukasz Maśko wrote:
> > Dnia wtorek, 20 kwietnia 2010, Gábor Lénárt napisał:
> > > Hei,
> > > 
> > > Maybe this report is similar to this one (ubuntu bugreport):
> > > 
> > >
> > > 54835
> > > 
> > > But I am not sure it's really the same, though ...
> > 
> > No, I can use XVideo without any problems (I do it to watch films on my 
> > laptop).
> Yes, but at least the kernel messages seems to be quite similar. Also I have
> this problem unrelated to XVideo (though it can trigger me the bug all the
> time) sometimes ... So there can be some common thing behind these problems
> at least, hmmm.

The kernel & Xorg messages are just alerting you to a problem in a very
generic manner. Every Intel GPU hang generates these identical messages,
and there appear to be an infinite number of ways we can hang the GPU.
(Ignoring all the other methods we can use to cause the GPU/system to
hang/stall.) In order to distinguish the different causes we need the
means to reproduce and the i915_error_state recorded at the time of the
error, as well as identification of hardware and any other hints gathered
from the system.

Hope this helps.

Chris Wilson, Intel Open Source Technology Centre

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