[Bug 105064] GPU Hang with single-channel RAM configuration
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Feb 12 22:02:09 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=105064
--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
>From the error-state, I would say it just takes stress, you just need to hit
the right timing between CS interrupt and ELSP submission. If that is the case,
igt should be able to trigger it indirectly.
My assumption may well be off, but I would start with just running
texture-gather-offset (or which ever piglit got caught in that GPU hang) in a
loop; probably with a background "find / -type f -exec cat {} \;"
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