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?


On Thu, Sep 11, 2014 at 11:49 PM, Ranjan1018 . <21474...@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@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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