And now there is confirmation from Intel HD owners: https://bugs.kde.org/show_bug.cgi?id=308385
** Bug watch added: KDE Bug Tracking System #308385 https://bugs.kde.org/show_bug.cgi?id=308385 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1065125 Title: After last MESA upgrade I'm expiriencing video-artefacts on my ATI RV630 [Radeon HD 2600XT] Status in “mesa” package in Ubuntu: Confirmed Bug description: After last MESA upgrade, yesterday, I'm expiriencing video-artefacts on my ATI RV630 [Radeon HD 2600XT]: when I push "Start" button menu displays partially, when I'm moving any window on desktop a lot of artefacts appears. All that "bad things" happens only when I'm using kwin_gles, when I'm switching to kwin - all is right, without any artifacts. In attached file you can see kwin_gles starting output with suspicious line: libEGL warning: unsupported platform Windows ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: libegl1-mesa 9.0-0ubuntu1 ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5 Uname: Linux 3.5.0-17-generic x86_64 ApportVersion: 2.6.1-0ubuntu3 Architecture: amd64 Date: Wed Oct 10 19:00:38 2012 InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423) ProcEnviron: LANGUAGE=uk_UA TERM=xterm PATH=(custom, no user) LANG=uk_UA.UTF-8 SHELL=/bin/bash SourcePackage: mesa UpgradeStatus: Upgraded to quantal on 2012-10-08 (1 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1065125/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp