[Bug 106859] [snb] Graphic corruptions and GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106859

--- Comment #12 from Laurent Bonnaud <L.Bonnaud at laposte.net> ---
On 06/08/2018 07:29 PM, bugzilla-daemon at freedesktop.org wrote:

> It seems the kernel flags "Web Content" (which I'm guessing is Firefox) as the
> culprit of the GPU hang.

I confirm that I use Firefox.

> We have a tool in Mesa called intel_sanitize_gpu to verify out of bounds memory
> writes from the driver. 

Great, thanks a lot for the suggestion!

> I'm not sure how easily you can use it with a
> multiprocess application like Firefox. If you can give a try, it should be as
> simple as launching 
> 
> $ intel_sanitize_gpu firefox

I'll try this on Monday...

I will also try running Plasma without Firefox to check if I still see graphic
corruptions...  Graphic corruptions are my main problem because I do not know
how to recover from them without rebooting, whereas the kernel is able to
recover by itself from the GPU hang :>.

> What version of firefox are you using?

60.0.1 (Ubuntu build) or 60.0.2 (Mozilla build).  I also sometimes try beta and
nightly versions from Mozilla, and snap and flatpak builds.

> Any particular setting that isn't the default?

In about:support I have:

  Compositing   OpenGL

instead of the default

  Compositing   Basic

In about:config that is:

  layers.acceleration.force-enabled : true
  layers.omtp.enabled : true

I've been running Firefox like this for years and never had problems before.

I have many other "modified" settings, too many to list here.

Thanks again,

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20180608/75feef89/attachment-0001.html>