SMP system not running SMP
sgk at troutmask.apl.washington.edu
Fri Jun 23 17:05:30 UTC 2006
On Fri, Jun 23, 2006 at 11:58:33AM -0500, Matthew D. Fuller wrote:
> On Fri, Jun 23, 2006 at 06:07:22AM -0500 I heard the voice of
> Peter Seebach, and lo! it spake thus:
> > There are two possible paths to fixing this: One is to make SMP
> > work without ACPI.
> One thing to note is that in the dmesg you posted, there's no "ioapic"
> probed. That suggests it's not really finding the APIC, which would
> be why SMP is failing. It'd be getting that from ACPI normally, but
> AIUI (I'm way out of my depth here) it could find them in other ways.
> I vaguely recall somebody (John Baldwin, maybe?) doing something in
> this area of ways of enumerating CPU's/APIC's in the last 6
I think you may be recalling the atpic device.
device atpic # Optional legacy pic support
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