See http://ubuntu.pastebin.com/f65a81eee for output of "lspci -vvnn" command as requested above. I have also attached a copy of the /var/log/Xorg.0.log file.
Please advise if any further info is required. ** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/37478173/Xorg.0.log -- visual bug with OpenGL application https://bugs.launchpad.net/bugs/461817 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to qt4-x11 in ubuntu. -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs