Attach your /var/log/Xorg.0.log file. If you can from after reproducing this issue (or /var/log/Xorg.0.log.old after reboot).
You could do that after run Ubuntu in safe mode. ** Summary changed: - Boot Crashes in Lucid Linx + [P4M900]Boot Crashes in Lucid Linx -- [P4M900]Boot Crashes in Lucid Linx https://bugs.launchpad.net/bugs/517318 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