I don't have anything new to come with, but just so that it doesn't get lost:
As I stated in Bug #354677 (a duplicate of this one), a temporary work around that works for me is to add Option "BusType" "PCI" to the Device section in /etc/X11/xorg.conf . I am assuming this comes with a slight performance penalty, but at least it works. -- linux-image-2.6.28-5-powerpc has ioremap fault with radeon drm module https://bugs.launchpad.net/bugs/345542 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