[Bug 72631] [BDW]igt/kms_flip/flip-vs-modeset-vs-hang-interruptible randomly causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72631

--- Comment #23 from Chris Wilson <chris at chris-wilson.co.uk> ---
This should stop that particular assertion failure:

commit 3db29744f74017a99d1b430b30623dce405ebb1a
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Feb 21 09:38:43 2014 +0000

    kms_flip: Try to make hang_gpu() robust against hanging the GPU

    On a bad day, hanging the GPU may be terminal. Yet even if the GPU is
    terminally wedged we expect modesetting (and pageflips) to continue.
    That deserves to be a dedicated test, but in the meantime we should
    strive to avoid falling over just because the code is not resilient.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

but there are probably a couple of other spots that require help before we can
run the testing against a terminally wedged GPU.

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