My Computer is:
Lenovo Thinkpad T500 with Intel GMA 4500MHD.
xxx:~$ lspci -nnk | grep "VGA\|'Kern'\|3D\|Display" -A2
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Subsystem: Lenovo Device [17aa:20e4]
Kernel driver in use: i915
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller [8086:2a43] (rev 07)
Subsystem: Lenovo Device [17aa:20e4]
00:03.0 Communication controller [0780]: Intel Corporation Mobile 4 Series
Chipset MEI Controller [8086:2a44] (rev 07)
I see the distortion in Mozilla Thunderbird and also Forefox, see
attached screen shot
The workaround from comment 1 seems to help, but I should test for some
more days.
** Attachment added: "Screen shot from distorted Thunderbird window."
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1178982/+attachment/4427917/+files/Grafik-Fehler.png
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https://bugs.launchpad.net/bugs/1178982
Title:
My Dell Dimension desktop shows purple/green and distorted Flash video
unless acceleration method is changed
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