Garbled display on gnome

hey,
i am having this funny issue. every once or twice in a day, my display suddenly gets all garbled up. this is not triggered by anything, it just happens - the panels get all fuzzy and the ends of the screen are in the middle and all that. it gets all fine within a couple of seconds if i click anywhere on the screen. it is not really a problem, but slightly irritating because everything else about my arch is perfectly flawless.
do you have any idea, why this is happening. a couple of days earlier i had been trying to update my system, and the xorg-server would not update. the file would be downloaded and then it will say that the file is corrupted. but the problem i have has been happening since before then.
any ideas/help on the issue. thanks!
Last edited by akhilbehl (2010-03-13 14:30:13)

You can verify the /var/log/Xorg.0.log and find something similar to (if the vesa driver is installed):
X.Org XInput driver : 2.0
(II) Loading /usr/lib/xorg/modules/drivers//vesa_drv.so
ABI class: X.Org XInput driver, version 2.0
ABI class: X.Org XInput driver, version 2.0
(II) VESA: driver for VESA chipsets: vesa
ABI class: X.Org XInput driver, version 2.0
(II) Synaptics touchpad driver version 0.14.6 (1406)

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Garbled display on gnome

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