[Nouveau] [Bug 74695] [NV86] GPU hangs on resume, causing X to crash

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74695

Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau_exa_download_from_s |[NV86] GPU hangs on resume,
                   |creen:299 leads to NULL     |causing X to crash
                   |pointer dereference         |

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This happens in response to the GPU hanging. X could perhaps handle this a
little more gracefully (e.g. by reporting "GPU hung, committing suicide"), but
the real issue is that the GPU is hanging on resume... Do you have a dmesg
after resuming?

It'd also be worthwhile testing this out with a fresh kernel, e.g. 3.13.2, as
this issue may have gotten fixed in the meanwhile.

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