Re: Intel i915 GPU hung

On Thu, Sep 11, 2014 at 7:18 PM, Lundberg, Johannes <
johannes_at_brilliantservice.co.jp> wrote:

> I often get this on HD3000 when I push the GPU too hard.. (Well not really
> hard at all, but the harder I push it the sooner I get GPU crash). After
> the crash the desktop works fine but pure OpenGL apps don't (ie nothing
> shows up on the screen). I assume it has switched to software rendering(?)
>
> I'll try to get the error_state next time and post it.
>
> This is the only problem I have running FreeBSD on my Intel laptop and it
> is quite annoying when computer (GPU) crashes during demo for visitors and
> potential customers..
>
> Anyone have any clue on what the problem might be?
>

If possible, have you tried the "SNA" acceleration method? Just add
    Option "AccelMethod" "sna"
to your device section of xorg.conf.

I had GPU hung before, and after I switched to SNA, it never happened.


>
> On Thu, Sep 11, 2014 at 11:49 PM, Ranjan1018 . <214748mv_at_gmail.com> wrote:
>
> > Hello,
> >
> > I have just upgrade my laptop, a Samsung Ativ Book 2 with an integrated
> > Intel HD Graphics 4000, to:
> >
> > FreeBSD ativ.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r271400: Wed Sep
> 10
> > 21:40:48 CEST 2014     root_at_ativ.local:/usr/obj/usr/src/sys/NEWCONS
> amd64
> >
> > Using Firefox, after some minutes, I receive the error:
> >
> > error: [drm:pid12:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
> > elapsed... GPU hung
> > info: [drm] capturing error event; look for more information in sysctl
> > hw.dri.0.info.i915_error_state
> >
> > This error is not related to r271400, but I first saw it few months ago
> in
> > current.
> >
> > The output of the command
> > sysctl hw.dri.0.info.i915_error_state
> > is:
> >
> >
> >
> https://drive.google.com/file/d/0BzoWQoMqq1sfa0tyVGJVYVBhRnc/edit?usp=sharing
> >
> > After the error I am not able to run mplayer for videos: the window is
> > black.
> >
> > Regards,
> > Maurizio
> > _______________________________________________
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-- 
Cheers,
Henry