The problem is that the "failsafe" mode kicks in and restarts the server using the "vesa" driver. Your log is from the vesa driver. Can you please attach Xorg.0.log.old which hopefully will be from the ati/radeon driver?
You can also try the "xorg.conf before reboot" but remove these two lines: HorizSync 28-64 VertRefresh 43-60 -- upgrade feisty gutsy ati radeon 9200 problem https://bugs.launchpad.net/bugs/164972 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs