Date: Tue, 9 Oct 2001 13:35:56 -0500 From: Pete McKenna <pmckenna@qwest.net> To: Kevin Turner <kevin@freedomhosting.com> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Strange SMP Problem. Message-ID: <20011009133555.A23419@otto.oss.qwest.net> In-Reply-To: <053e01c150e7$ad417460$4e2c9c18@etob1.on.wave.home.com>; from kevin@freedomhosting.com on Tue, Oct 09, 2001 at 01:27:31PM -0400 References: <053e01c150e7$ad417460$4e2c9c18@etob1.on.wave.home.com>
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You don't say what MB you have but we had a problem with some
Intel boards which were fixed by telling the MB bios to rescan
for CPU's. The board apparently cached the results of a earlier
CPU scan when it was running with a single CPU. Don't know
if this applies to your situation but it got us running on both
CPU's.
Pete
On Tue, Oct 09, 2001 at 01:27:31PM -0400, Kevin Turner wrote:
> Hello,
>
> Just recently I noticed one of my webservers was not showing two CPU's when
> doing a top.
>
> I checked dmesg, and noticed the following:
>
> FreeBSD/SMP: Multiprocessor motherboard
> cpu0 (BSP): apic id: 0, version: 0x00040011, at 0xfee00000
> io0 (APIC): apic id: 1, version: 0x00170011, at 0xfec00000
>
> cpu1 is not showing up.
>
> The machine is running 4.2-STABLE, and has been working perfectly for quite
> some time.
> I haven't made any kernel changes or any other changes I can think of.
>
> Any ideas?
>
> Kevin
>
>
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--
Peter McKenna Qwest Internet Solutions
pmckenna@qwest.net Main 612-664-4000
FAX 612-664-4770
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