After a day trying again, the PC locks up again with black screen before login like Timothy wrote.
I tried booting with the i915.modset=0 kernel parameter and the system went through the login screnn, even from the live cd. The only strange thing ist that the boot process stats "Unknown boot option 'i915.modset=0': ignoring" ??? But as I mentioned before, the system performance is eaten up by the Xorg server process with appr. 15%-90%. Also there is another process called "sreadahead" with takes up the rest of the CPU usage with disappears after a certain amount of time (minutes) after starting the live CD/ installed system. Greets Axel -- [i830] xorg hang on i830 video driver 2.8.0 https://bugs.launchpad.net/bugs/403037 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