This happened to me on Saturday after performing a large update. It stopped at 73% during disk checking. After forcefully shutting down my laptop by holding the power button and rebooting, system booted up normally.
-- Lucid boot failed to complete after fsck https://bugs.launchpad.net/bugs/554079 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