[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 #39 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Jakub Okoński from comment #38)
> I was using meson to build the release candidates of mesa 19.0.

Found out that Meson isn't related (it was just enabling asserts in bug
108787).


> I don't have much time available, but I can try bisecting. Need to come up
> with some scripts to build these packages on my workstation and not the
> mobile dual core SKU.
> 
> Should I be just bisecting the kernel with latest rc of mesa 19, just mesa,
> or both at the same time somehow?

First find out which one is the culprit.  For this it should be enough to check
some release versions of both, that go far enough back, whatever you can test
most easily (e.g. readily available distro packages).  Test new Mesa with old
kernel, new kernel with old Mesa, to verify that issue hasn't just moved.

Only after you've found a version(s) that don't have the problem, you can start
bisecting.

You might first try bisecting things closer using release versions & pre-built
packages if such are available, to minimize building needed for real git
bisect.

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