Todays update to Linux 2.6.31-14 (or possibly the acpi and upstart packages that were also upgraded) fixed the issue. This laptop is now working fine with Karmic (except for some xsplash issues, which I'll report separately.
Thanks for the help. This bug can be closed. ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- Karmic hangs during boot https://bugs.launchpad.net/bugs/450253 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