SMP system not running SMP

Peter Seebach seebs at
Fri Jun 23 22:50:17 UTC 2006

In message <62054. at>, "Freddi
e Cash" writes:
>Does the BIOS have an option for ACPI 2.0 support?  We have several
>Tyan Motherboards (S2882 - K8S, K8SD, K8SD-Pro) that give all kinds of
>problems when ACPI 2.0 support is enabled.  Disabling ACPI 2.0
>support, but leaving ACPI 1.x support enabled, lets the system boot
>and run super-stable, in 32-bit and 64-bit modes, with and without
>SMP.  No SCSI devices on these boards, though.  We're using 3Ware
>Escalade SATA RAID controllers.

It has the option.  I have tried both with it on and off.

FWIW, disabling the acpi timer (debug.acpi.disable="timer" in loader.conf,
that may be wrong?) doesn't seem to matter.


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