[Bug 63914] [hsw] Cycling between GL/X rendering causes a hard hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63914

--- Comment #36 from Ben Widawsky <ben at bwidawsk.net> ---
I hit something running this over the weekend. Somehow I ended up with the
giant octopus screensaver running when it hung. Noting in netconsole, machine
seems totally dead.

The last log message I had was at 50m in, about mce events (I get a bunch of
thermal MCE events always). However, I know the test was running for longer
than that before I left.

If someone out there can reproduce this fairly quickly, on a hunch, can you try
lowering the max GPU freq to the rp1 value? Stefan?

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