Seems like some of the "message omitted" can relevant. Just a guess. Can you try to boot passing "acpi=noirq" in the boot parameters?
-- hang after "Uncompressing Linux... Ok, booting the kernel" https://launchpad.net/bugs/50808 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
