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[ubuser <zfzefn@xxxxxxx>]

I hit this issue running 9.10 on a Dell 2400 with integrated Intel
graphics chip 82845G/GL[Brookdale-G].  Intermittently, probably once a
day at least, the screen would freeze, with no pointer or keyboard
response.  ssh to the box did work.  Restarting X or gdm did not work.
Usually the problem was precipitated by use of firefox.  I tried several
of the workarounds listed in wiki.ubuntu.com/X/Bugs/Lucidi8xxFreezes
with no joy.

FWIW, the following appears to have successfully worked around the
problem, as I have not experienced it for the past two weeks (Jul 4
2010).  I pasted this, and only this, in /etc/X11/xorg.conf:

Section "ServerFlags"
	Option		"AllowEmptyInput" "false"
EndSection

This was done based on a thread found here:

http://www.linux-solved.com/post/solved-Xorg-freezes-with-Intel-
Corporation-82845G-GL-50231.html

-- 
[i845] [i82845G/GL Brookdale-G] Screen freeze after while of working
https://bugs.launchpad.net/bugs/502055
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