I had to limit the GPU and the Memory to 100MHZ. It is stable now. modified xorg.conf attached
** Attachment added: "xorg.conf" http://launchpadlibrarian.net/18628588/xorg.conf -- Display corruption after short period https://bugs.launchpad.net/bugs/270617 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
