OK, it turns out to be the use of the nomodeset kernel parameter which triggers the problem
-- lucid X segfaults on startup https://bugs.launchpad.net/bugs/524943 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
