hangs early during the boot, with or without ACPI. It may be related to probing the graphics chip, see the attached snapshot.
Seems to have been stripped off, find it here: http://www.isi.edu/larse/misc/5.1-brief.jpg
Lars -- Lars Eggert <[EMAIL PROTECTED]> USC Information Sciences Institute
smime.p7s
Description: S/MIME Cryptographic Signature
