Forgot to mention I've just tried booting from the 7.04 Feisty live CD and got similar results but also got what looks like a call trace including the line:
BUG: at arch/i386/kernel/smp.c:547 smp_call_function() -- kernel oops on booting https://bugs.launchpad.net/bugs/173797 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
