[Bug 63921] [snb] GTT mapping fails after GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63921

--- Comment #19 from Chris Wilson <chris at chris-wilson.co.uk> ---
Created attachment 78502
  --> https://bugs.freedesktop.org/attachment.cgi?id=78502&action=edit
Suppress spurious EIO when moving away from the gpu

This should keep the kernel functioning in this extreme case.

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