Ubuntu 8.04 LTS and Ubuntu 7.10, 64-Bit SMP Can Stall When Running, Installing, or Booting on an Intel Host
Details
Ubuntu 8.04 LTS and Ubuntu 7.10, 64-bit SMP guest operating system might take a long time to install (up to two hours with numerous error messages), might stall at boot, or might stall while running on an Intel Host.
When booting, this guest might stall at the following line:
Press B to boot with the Ubuntu 8.04 LTS (7.10), kernel 2.6.22-14-server and clocksource=acpi_pm parameter.
After the guest starts, edit the /boot/grub/menu.lst file to make these changes permanent, which will ensure that each time you reboot or run the guest it does not stall:
Log in as root at the command line.
Use the vi editor to edit the /boot/grub/menu.lst file.