I too have this problem, the system will hang indefinitely (I let my computer sit at the blank screen for about 7 hours. However if i do not log in to ubuntu and merely shutdown from the login screen it will shutdown correctly. my log file shows an error saying the usplash is tainted ? i have attached the portion.
** Attachment added: "logfile.txt" http://launchpadlibrarian.net/19183073/logfile.txt -- Intrepid hangs on restart or logout https://bugs.launchpad.net/bugs/291510 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