[Bug 91133] [gm45] Invalid GTT entry during Command Fetch from CS prefetch crossing page boundary

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91133

--- Comment #20 from Vincent Legoll <vincent.legoll at gmail.com> ---
Now things start to get interesting, I was suspecting some kind of HW failure,
since this laptop is old, and pushed to its limits, at least CPU-wise (lots of
-j2 C++ compilation happening).

But booting:

# uname -a
Linux debian 3.16.0 #94 SMP PREEMPT Mon Aug 4 08:52:38 CEST 2014 x86_64
GNU/Linux

Also self-compiled, config probably not so different (oldconfig'ed), but maybe
another (older) gcc 4.9.1 vs 4.9.3 for the newer kernels...

And trying to reproduce with resizing vlc, did not crash it for a few minutes.
Even after having launched a background make -j2 in addition.

That smells a lot like GPU driver related problem.

Do you think it'd help if I try to bissect ?

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