Disabling KMS worked, although I needed to provide my own xorg.conf file. (Otherwise, the screen goes crazy)
For those who are trying to fix this issue on their own computer, here's what I put in /etc/modprobe.d/radeon-kms.conf : options radeon modeset=0 I attached the xorg.conf file I'm currently using. ** Attachment added: "The xorg.conf file that I'm using now that I have KMS off for the radeon card." http://launchpadlibrarian.net/46313178/xorg.conf -- Software Rasterizer used on PowerPC system with Radeon card after Lucid upgrade https://bugs.launchpad.net/bugs/570228 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