I can confirm that I recieve the same problem on my Sony Vaio VGN-S3HP also, however it is not hanging - given enough time it will boot.
-- Sony VAIO VGN-S3HP hangs on boot (acpi) https://launchpad.net/bugs/68193 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
