I am not very comfortable with removing "miInitializeBackingStore(pScreen);" call. If it "causes no regression in earlier versions", that does not mean anything, as you can't cover all test cases.
Why was that line added? ** Changed in: xserver-xorg-video-openchrome-lts-saucy (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-openchrome in Ubuntu. https://bugs.launchpad.net/bugs/1205643 Title: VIA P4M800 graphics broken in Lubuntu/Xubuntu Saucy & 12.04.4 candidate To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-openchrome/+bug/1205643/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp