[Bug 108820] [SKL] GPU hangs in benchmarks using compute shaders with drm-tip v4.20-rc kernels

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108820

--- Comment #10 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Jakub Okoński from comment #4)
> It also affects me on Skylake i7-6500U, Mesa 18.3.1 and kernel 4.19.12. I am
> able to reproduce it in my own vulkan app. If I don't dispatch any compute
> work, everything works fine. As soon as I submit a CB with dispatches, I get
> that same error:
> 
> INTEL-MESA: error: ../mesa-18.3.1/src/intel/vulkan/anv_device.c:2091: GPU
> hung on one of our command buffers (VK_ERROR_DEVICE_LOST)

Is this fully reproducible?  If yes, could you either attach your test-case, or
(preferably :)) try bisecting it from Mesa?

As can be seen from above comments, this isn't reproducible enough in my
test-cases that I could reliably bisect it (even whether it's Mesa or kernel
issue).

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