*** This bug is a duplicate of bug 486056 ***
https://bugs.launchpad.net/bugs/486056
Oh, I found out something that might help.
The crash only occurs when I have Appearance>Visual Effects set to
Normal or Extra, and it's because of the width of the virtual desktop.
I was able to reliably duplicate the crash. Whenever I try to use
Display Prefences to make an extended desktop with a total width bigger
than about 2000 pixels (I'm guessing 2048,) it will cause the crash.
(Part of the Fn + F5 hotkey's functions is to cycle through four
different monitor setups: laptop only, external only, extended desktop,
and mirrored, so pressing Fn + F5 will sometimes cause this crash.)
With Appearance>Visual Effects set to None, I can extend the desktop
without any problems. When I try to set Visual Effects higher while the
desktop is extended bigger than 2000 pixels, it gives an error message,
"Desktop effects could not be enabled".
>From what I've read elsewhere, I understand that this might be an Intel
hardware error...
--
[i945gme] Freeze when switching to an external monitor via hotkey
https://bugs.launchpad.net/bugs/445229
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