Re: Can't boot amd64 kernel
Try first with kernel parameters like nosmp, noapic and nolapic, they
might help you identify the problem.
with 2.4.23-pre6-amd64-smp and ear protection:
nosmp: boots, unable to mount root (apparently, no adaptec u320 driver)
noapic: hangs at initializing cpu #1
nolapic: hangs at initializing cpu #1
Last few lines, copied by hand (from normal boot)
CPU0: AMD Opeteron(tm) Processor 242 stepping 01
per-CPU timeslice cutoff 5121.10 usecs.
Booting processor 1/1 rip 6000 page 000001000c074000
(and it sits there, for at least 5 minutes now)
The second CPU does work in 32-bit mode, with 2.4.23-1-k7-smp, for
 very important when working next to this machine. It is very, very