Greg, have you tried to boot with the 'noapic' option? See, for example, https://help.ubuntu.com/community/DebuggingIRQProblems
I've got similar problems with a dv9074ea laptop, see https://wiki.ubuntu.com/LaptopTestingTeam/HPPavilionDV9074ea -- Feisty 5 - Will not install or run on HP DV9000 https://bugs.launchpad.net/bugs/94521 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs