[Bug 111453] [SKL] System hang in GfxBench CarChase

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111453

--- Comment #7 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Eero Tamminen from comment #5)
> Triggering the issue requires multiple runs of the test-case, so it's
> possible that it's happened also earlier than e64af2bda2 drm-tip.  However,
> I checked now also build of the first commit (e64af2bda2) with 20x runs, and
> wasn't able to trigger the hang, so that seems safe bisect starting point.

Although those 20x runs didn't hang or show anything in dmesg, I got a docker
error after them:
docker: Error response from daemon: failed to create endpoint clever_curie on
network bridge: failed to add the host (vethea361d4) <=> sandbox (vethe91071f)
pair interfaces: operation not supported.

Although same command works fine after boot with same kernel, before the
CarChase runs.  No idea how running GfxBench CarChase 3D benchmark could
trigger something like that...

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