[Bug 108820] [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.19+ kernels

[bugzilla-daemon at freedesktop.org]

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

--- Comment #41 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Jakub Okoński from comment #40)
> I have a local cache of old packages I used to have installed years ago. I
> tried a couple kernels down to 4.8.7 from November 2016 with mesa 19.0-rc2
> and they all have the same problem as 5.0.
> 
> I also have old packages of mesa, down to 11.0.7, but I'm using a rolling
> release distro and it would take a lot of effort (and probably breaking the
> system) to downgrade this far back. I was unable to build even 18.x versions
> locally due to some incompatibilies with llvm.

i965 doesn't need/use LLVM.  Just disable gallium & RADV and everything LLVM
related from your Mesa build.  Using autotools:
--with-dri-drivers=i965 --with-vulkan-drivers= --with-gallium-drivers=
--disable-llvm


> Maybe I'll try historical livecd versions of Ubuntu to check other Mesa
> versions. Is that a bad approach?

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