[Bug 362919] Re: [Q45] Display corruption on Intel chipset

[piksi]

I'm having similar problems on Kubuntu 9.04 x86_64 KDE4 on Thinkpad T400
(internal Intel MGA) with 512Mb internal and 1Gb additional ram shared
with the adapter. Corruption appears when desktop effects have been
turned off while changing between windows, and disappears when the
corrupted window contents are redrawn (i.e. opening menus, scrolling,
resizing). This is a fresh 9.04 install. I have ran multiple passes of
memtest86+ to ensure there is no corruption caused by faulty hw.

I'm attaching lspci -vvnn, xorg.conf and a screenshot demonstrating the
problem. Unlike in the screenshot above, it's not restricted to text
only.

Interestingly the corruption is only restricted to qt apps (no
corruption ever in Firefox, Gimp or other gtk apps), but I'm posting
this comment here in case it might be related to the driver as well.

** Attachment added: "Blurred parts are not part of the corruption."
   http://launchpadlibrarian.net/26390160/corruption.png

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[Q45] Display corruption on Intel chipset 
https://bugs.launchpad.net/bugs/362919
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