[Mesa-dev] [PATCH] i965: Don't disable unused shader stages from BLORP.

Vedran Rodic vrodic at gmail.com
Tue Jun 11 13:00:29 PDT 2013

Yes, it is fixed now. I had to revert the proposed patch from
beginning of this thread too.

Thank you,


On Tue, Jun 11, 2013 at 7:54 PM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> On 06/10/2013 10:55 PM, Vedran Rodic wrote:
>> On Tue, Jun 11, 2013 at 1:03 AM, Kenneth Graunke <kenneth at whitecape.org>
>> wrote:
>>> Vedran,
>>> Can you try this patch and see if it solves your GPU hang issues?  I
>>> still
>>> haven't been able to reproduce it, but I believe I may just be getting
>>> lucky.
>> Nope, with this one it's even worse.
>> Before after the initial hang glretrace would finish "normally" (I
>> guess, though I've seen some screen corruption with 2D font rendering
>> afterwards), but with this patch the hangs are happening multiple
>> times.
>> As I've said earlier, I'm not using an accelerated compositor, just simple
>> LXDE.
>> DDX is latest from git, kernel is 3.9.4, and I've confirmed the bug
>> with just simple glxgears.
>> I can reproduce it every time after a clean reboot.
> Okay, I was able to reproduce this with a clean reboot and starting X with
> SNA, xterm, and then glxgears, with nothing else running.  I did later see
> font corruption in Firefox.  I was also able to reproduce the hangs with
> UXA.
> I've pushed a revert for "i965: Disable unused pipeline stages once at
> startup on Gen7+."  Does this fix the GPU hangs for you?
> --Ken

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