[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 Feb 7 16:06:35 UTC 2019


--- Comment #35 from Jakub Okoński <jakub at okonski.org> ---
I meant to say: it's the combination of > 32 items AND conditional early return
statements AND a barrier that cause the hang.

I also checked replacing the barrier() call with memory barriers, and it
prevents the crash. So only execution barriers are a component/contributor to
this issue.

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