64bit P4 vs mfsBSD

Dutch Ingraham stoa at gmx.us
Thu Aug 6 22:05:10 UTC 2015

On Thu, Aug 06, 2015 at 05:40:04PM -0400, Quartz wrote:
> Not sure if this is the right place to ask mfsBSD questions.
> I have an old Pentium 4 server and I'm trying to figure out exactly what the
> cpu is, but I don't want to have to disassemble the whole thing if I can
> avoid it. Intel's cpuid utility, various linuxen, and wikipedia are giving
> me conflicting info about the model and 64bit-ness, so I thought I'd see
> what sysctl had to say and boot mfsBSD.
> ... except it doesn't work. I tried both 10.0 i386 and 10.1 amd64 and both
> of them hang. 10.1 amd64 gets to the beastie menu, but regardless if I
> select multiboot or single user it gets as far as the white-on-blue
> "Booting..." and then just stops. 10.0 i386 seems to die somewhere in stage
> two before the menu even appears. It's not a case of corrupt download or
> borked build because the same jumpdrive boots my other machine just fine.
> Any thoughts?

I'm not sure what this system is running right now, but can you get a
dmesg that will advise of the processor attributes?  You're looking for
"LM," (long mode).  If that is there, it is a 64-bit processor.

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