"Is it possible to determine whether this is tied to use of the q35 machine and/or service pack level?"
all XP are sp3 all machines related to this issue uses <type arch="x86_64" machine="pc-i440fx-9.2">hvm</type> (also these XP's which works.) KJ -- http://wolnelektury.pl/wesprzyj/teraz/ Hanging on in quiet desperation is the English way. -- Pink Floyd

