Have a look in the 4.2 Release Notes,
<<
The NCPU, NAPIC, NBUS, and NINTR kernel configuration options, for
configuring SMP kernels, have been removed. NCPU is now set to a maximum of
16, and the other, aforementioned options are now dynamic.
>>
That's may be reason.
-philippe
At 03/12/2000 00:21 +0000, [EMAIL PROTECTED] wrote:
>Up until recently my HP Vectra with 2 pentium pro 180 processors
>ran freebsd 4.1-stable succesfully with a SMP kernel with no
>weird tweaking involved. I commented in the 2 SMP lines in the
>generic kernel config, compiled, rebooted, and it worked fine.
>
>A few days ago I cvsuped to freebsd 4.2-stable and SMP refuses to work
>
>after attempting to boot with a 4.2 stable SMP kernel, the machine
>locks up very early in the boot process here:
>
>
>
> Changing APIC ID for IO APIC # from 16 to 2 in MP table
> Programming 16 pins in IOAPIC #0
> IOAPIC # intpn 2 -> irq 0
>
>
>now I am successfully running a non SMP freebsd 4.2-stable kernel,
>but I kind of miss my 2nd processor.
>
>any ideas why this would happen?
>
>thanks.
>
>
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