People report the same on bug#78288: Kernel not working without irqpoll option, but they have no problem with Fedora.
-- modprobe abnormal exit - Kernel 2.6.20-8/9 does not boot https://launchpad.net/bugs/84964 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs