I have a similar problem on my Fujitsu-Siemens Lifebook just updated to Kubuntu intrepid, though the screen doesn't flicker. There are just the error messages.
But, I had severe problems with X till I ran dpkg-reconfigure xserver-xorg which made a minimalistic xorg.conf which utilised default intel configuration. Section "Device" Identifier "Configured Video Device" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" EndSection ** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/19297844/Xorg.0.log -- laptop screen flickers https://bugs.launchpad.net/bugs/292761 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