[Nouveau] [Bug 99968] [NV4C] System crashes reliably with glxinfo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99968

--- Comment #5 from Dave Odell <dmo2118 at gmail.com> ---
Tried again on the same hardware with Linux 5.0-rc8, and it's not any better.
But now on top of that I've got intermittent system pauses, probably associated
with "rcu_sched detected stalls on CPUs/tasks" that I see in dmesg. That's
probably unrelated to the problem at hand.

Resizing the glxdemo window repeatedly does it for me, too.

nouveau.config=NvMSI=0 didn't help me, either.

A twist: I normally run this machine with modprobe.blacklist=nouveau, but it
still happened (while running Linux 4.15.0-20 from Ubuntu)...except this time
the system hadn't crashed, and CTRL-ALT-F1 (to get to tty1) followed by
CTRL-ALT-F7 (to get back to X11) restored video.

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