Of course. During weekend I will post it here. I realized that I forgot the 'nomodeset' option appended to kernel parameter list. When I removed it, 'freeing invalid memtype' message doesn't seem to appear. And corruption appears less frequently, but it still sometimes appears.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/943253 Title: Display artefacts with Radeon 7200 graphics card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/943253/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

