[Bug 101642] [KBL] igt at gem_ctx_switch@ blt-interruptible GuC 9.14 triggers GEM_BUG_ON(!i915_gem_request_completed(request));

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Mar 6 08:35:14 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=101642

--- Comment #14 from Chris Wilson <chris at chris-wilson.co.uk> ---
To actually reconstruct the original bug where the guc was executing contexts
out of order, you have to disable trickle feeding the guc. If you bump the
queue depth up to say 128, that should restore behaviour similar to the
original case.

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