Forgot to mention, hang also occurs in recovery mode, whether or not "quiet" mode is on, and whether or not AC power is plugged in.
And here's the result of dmesg. ** Attachment added: "dmesg.txt" http://launchpadlibrarian.net/17181910/dmesg.txt -- Hardy boot hangs with the message: "ACPI: EC: non-query interrupt received, switching to interrupt mode" https://bugs.launchpad.net/bugs/263140 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