I have similar problems with my HP ZV6000 -laptop (Xpress 200M-card). Sometimes when switching from kdm to a text-console, the screen goes black and I have to reboot. I have not been able to figure out when this happens, as sometimes it works, sometimes i doesn't.
Using Ubuntu 6.06, 64-bit. -- Lockup problems with both the free xorg ATI driver and the proprietary fglrx driver, using various ATI cards https://launchpad.net/bugs/30447 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
