[Bug 77587] [BDW] GPU hang on resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77587

--- Comment #1 from Timo Aaltonen <tjaalton at ubuntu.com> ---
so turns out this is probably caused by incomplete ppgtt support in the
backport series which still uses aliasing, but disabling it by
i915.enable_ppgtt=0 didn't seem to work

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