As I recall the newest version of Ubuntu (FEISTY) still has issues with
the trident driver flaking out and blowing stuff up. The solution I
came up with is to get the DEBIAN Trident driver. You can get it from
the DEBIAN repos. I copied the driver file over the Ubuntu driver, then
modified my xorg.conf file to have
Section "Device"
Identifier "Generic Video Card"
Driver "trident"
Option "Accelmethod" "xaa" <----This is the change
BusID "PCI:1:0:0"
EndSection
I've found that whenever the video brightness changes, such as when the
power state changes, or when I open the lid, the screen seems to expand
the upper left 1/4 of the screen to cover the whole screen. A simple
ctrl-alt-F3, ctrl-alt-F7 tends to fix it, though I have found that if
you switch to text mode BEFORE you login on initial startup then the
screen can sometimes just turn blue and become unresponsive. The work-
around being you login BEFORE the text mode->gui mode switch, and give
it about 10 seconds for everything to settle before you attempt it.
YMMV
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Dragging and scrolling garbles window content (edgy beta)
https://bugs.launchpad.net/bugs/63051
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