[Bug 95048] tests/gem_close_race, threads SEGFAULT on BDW, GPU hang SKL, machine hang on SNB

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95048

--- Comment #10 from Chris Wilson <chris at chris-wilson.co.uk> ---
Ok, the full-ppgtt (BDW/SKL) hang is definitely a test bug (handles being
incorrectly used on a second fd). Not sure how that propagates into the
corruption and sigsegv, but it's probably related. Equally not sure how this
then becomes a hard hang on SNB.

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