[Intel-gfx] System freeze apparently due to GPU memory exhaustion - why?

[Joonas Lahtinen]

On ti, 2016-02-23 at 20:58 +1000, Adam Nielsen wrote:
> > 
> > Can you attach a full dmesg from boot until the problem appears?
> Attached, thanks for your reply.
> 
> You can ignore the problem at T=1032000, that was a broken floppy disk
> in a USB floppy drive.  The first possibly-GPU-related problem starts
> at T=2121945 then the same problem happens immediately following in the
> log at T=2128002.
> 

That seems like a legit bug. If you can reproduce it with drm-intel-
nightly, could you please open a bug at freedesktop.org bugzilla?

Have you tried running the I-G-T testing suite on your hardware?

Regards, Joonas

> It may be of relevance to note that after a reboot it can take a while
> for the problem to surface, but if X crashes due to this issue and I
> restart X immediately, then it can be only a matter of minutes to
> hours until the problem happens again.
> 
> Many thanks,
> Adam.
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-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation