freebsd on sgi 1200

[John Baldwin]

On Jun 4, 2005, at 7:16 PM, Dean Hamstead wrote:

> just a quicky
>
> installing freebsd on some nice sgi 1200s
> they are 2ru machines ,dual p3 800, mylex scsi raid
> intel mainboard
>
> freebsd works a treat, except  the motherboard
> has the strangest quirk that only on cold boots
> does it detect both cpu's. warm reboots cause it
> to disable the second cpu and thus freebsd doesnt
> pick up the second cpu (annoying)
>
> the same bug is present in all three machines i have
> im hoping i can just force freebsd to use two cpus
>
> oh, i rebuilt the kernel etc, and from a cold boot
> the mboard picks up both cpu's and so does freebsd
> and they both work nicely.

Try disabling ACPI as I have seen bugs with some Pentium III era SMP 
ACPI BIOSes.

Also, it would be nice to see diffs of the mptable and acipdump -t 
output in both situations.

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org