Date: Fri, 23 Jun 2006 10:04:23 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: "Matthew D. Fuller" <fullermd@over-yonder.net> Cc: freebsd-amd64@freebsd.org Subject: Re: SMP system not running SMP Message-ID: <20060623170423.GA92531@troutmask.apl.washington.edu> In-Reply-To: <20060623165833.GK83482@over-yonder.net> References: <E1Ftj1W-000Ibj-T2@dilbert.firstcallgroup.co.uk> <200606231107.k5NB7Ms1004172@guild.plethora.net> <20060623165833.GK83482@over-yonder.net>
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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 > monthsish... > I think you may be recalling the atpic device. device atpic # Optional legacy pic support -- Steve
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