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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 10 11:53:46 UTC 2019


--- Comment #18 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Jakub Okoński from comment #15)
> I couldn't get the output of `INTEL_DEBUG=cs`, it returned an output once
> but I lost due to terminal scrollback. No matter how many times I ran it
> again, it never dumped the actual CS shader info.

That's weird.

If shaders come from cache, they seem to be missing "SIMD" line, and some other
info, but the actual assembly instructions should be there.

Do you get shader info, if you also disable cache:

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