To add to what I finally did to get a working Karmic Install - I use the X11 Vesa driver. The system freezes etc. have stopped and I have been able to get work done. But obviously, this is not the best of solutions. So hoping that the bug is fixed
Pramathesh -- xserver freeze after a few reboots https://bugs.launchpad.net/bugs/503393 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