[Nouveau] [Bug 97462] Graphics deadlock "ILLEGAL_MTHD" in nouveau with mesa version 11.2.2 when visiting Google Maps with firefox 49.0b5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97462

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This reads like a desync of some sort. The most common cause of this is the
fact that nouveau + threading = fail. I have some preliminary patches which
kinda-sorta work but not quite done that you can try -
https://github.com/imirkin/mesa/commits/locking

Chances are you can ssh in from another computer and kill the offending process
and then things should come back. Not always though.

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