[Bug 111453] [SKL] System hang in GfxBench CarChase
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 28 08:21:07 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=111453
--- Comment #13 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Eero Tamminen from comment #1)
> With slightly newer kernel:
> * 2019-08-20 16:56:31 889140938c: drm-tip: 2019y-08m-20d-16h-55m-47s UTC
> integration manifest
>
> There was a system hang also on BDW GT2 in SynMark TerrainFlyInst with same
> libdrm/Mesa/Xorg stack, which didn't happen with newer libdrm/Mesa/Xorg. If
> it repeats like that tomorrow along with SKL GT2 hang, it could be related.
Saw a potential system hang in same test on SKL GT4e few days ago, but with
older drm-tip v5.2 kernel, so those are unlikely to be related to this bug.
(In reply to Chris Wilson from comment #8)
> now hopefully fixed in
>
> commit a20ab592d1a87218229109d109b8e2feae6f598d
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date: Wed Aug 21 15:23:36 2019 +0100
>
> drm/i915/execlists: Set priority hint prior to submission
I haven't seen these system hangs since 21st, but it was hard to reproduce.
I'll wait until next week, and if there still aren't any hangs, run large
number of rounds to verify.
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