[Bug 83677] [HSW] GPU HANG: ecode 0:0x87d3bffa on ctx load

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83677

--- Comment #94 from Hugh Greenberg <hugegreenbug at gmail.com> ---
We all tried the fix from John Lewis.  It caused system hangs and we couldn't
figure out which options actually helped.

I'm trying your modified version of the command line and so far I've been able
to use Kodi with VAPPI for a long time (2 hours I think) without a hang or
freeze.  I will keep it going for the rest of day though before I am sure that
this really works.

(In reply to adr3nal1n from comment #92)
> Hi,
> 
> I have a haswell pentium G3240 cpu and adding the following kernel
> parameters to my bootloader seem to prevent the gpu hangs for me.
> 
> i915.semaphores=0 i915.use_mmio_flip=1 i915.enable_ppgtt=1
> drm.vblankoffdelay=1 
> 
> I don't know how to add these kernel parameters in openelec so you will need
> to ask on their forum how to do this.
> 
> Hope this helps.

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