It is not just Compiz. Yesterday I started the Metacity compositor
briefly, then turned it off. Last night I suspended my laptop and this
morning I got a blank screen and a dead keyboard (no CapsLock) on
resume.
I could ssh in. The last line in /var/log/Xorg.0.log was about resuming
AIGLX clients after a VT switch.
I could kill gdm and X, but nothing significant happened. When I tried
to start a new X server it complained about /tmp/.X0-lock. I removed
that file and tried again. X printed its about message and then froze.
I pressed Ctrl-C, then X unfroze, printed
(**) RADEON(0): RADEONPreInit
and a bunch of other messages, briefly showed the standard X stipples
and shut down. Among those messages was something about being unable to
initialize DRI.
When X shut down, I got a screen full of black and white garbage.
chvt 1 doesn't work.
sudo reboot appears to be the only way out.
--
3D desktop breaks S3 sleep
https://launchpad.net/bugs/80318
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