If it does not respond to NumLock/CapsLock or SysRq+REISUB then it sounds like a kernel panic. disable splash screen and see if the kernel outputs anything interesting when it boots.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/657918 Title: Ubuntu does not boot - probably deadlock -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
