Based on the description of the symptoms, it sort of sounds like this
might be caused by an incorrect AGPMode setting, which is relevant when
DRI (3d) is enabled. You should test if changing this makes the issue
go away. In your /etc/X11/xorg.conf set AGPMode to various values like
this:
Section "Device"
...
Option "AGPMode" "2"
EndSection
Possible values include 1, 2, 4, 8. You can see what it's currently set
to by looking in /var/log/Xorg.0.log. It's worthwhile to test all four
values even once you find one that works. If this takes care of it for
you, we may be able to establish a quirk to set it for your hardware
combo, if you can provide the following data:
* AGPMode value(s) that work
* Make/Model of laptop or motherboard
* Output of lspci -vvnn
* Is the system all factory hardware, or have any parts been replaced?
* Is there an AGP Mode in the system BIOS?
- If so, is it set to the factory default?
For more details on this, please see the "ATI AGP Mode Quirk" section at
https://wiki.ubuntu.com/X/Quirks
--
[rv350] games crash X or freeze system if compiz is turned on
https://bugs.launchpad.net/bugs/153857
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