Date: Mon, 23 Apr 2007 19:16:36 +0100 From: Adam J Richardson <fatman.uk@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: SMP only detects one CPU - help? Message-ID: <462CF804.8010405@crackmonkey.us>
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> Message: 11 Date: Fri, 20 Apr 2007 09:58:32 -0700 From: Chuck Swiger <cswiger@mac.com> Subject: Re: SMP only detects one CPU - help? To: fatman@nospam.crackmonkey.nospam.us Cc: freebsd-questions@freebsd.org Message-ID: <3ADB2E8D-32FE-432E-922F-D38C62B63F42@mac.com> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed On Apr 20, 2007, at 9:14 AM, Adam J Richardson wrote: >> > Finally, mptable shows what's really going on: >> > "MP Config Base Table Entries: >> > -- >> > Processors: APIC ID Version State Family Model Step Flags >> > 3 0x11 BSP, usable 6 8 3 0x387fbff >> > 0 0x11 AP, unusable 6 8 3 0x387fbff" >> > >> > Apparently the "application processor" is "unusable", whatever that >> > means. I am now stuck. >> > >> > Is there a software fix for this, or do I have a broken CPU, >> > unlikely as it seems? Any help is appreciated. >> > >> > Does it seem likely that upgrading both CPUs to the highest Pentium- >> > IIIs I can find, which I was thinking about doing anyway, would fix >> > the problem? > > It's more likely that updating the system BIOS and trying to tweak > any settings related to SMP or ACPI might help. You might also try > enabling or toggling the "PnP OS installed", to avoid having the BIOS > configure stuff it doesn't need to boot, and leaving FreeBSD to > assign IRQs itself... > > If that doesn't help, I believe there's a freebsd-acpi list which > contain people who can look at the dump of your BIOS and fix the > broken IRQ assignments it is doing. > > -- -Chuck Thanks Chuck. I'll give these suggestions a try and post feedback when I'm done. Might not be for two weeks though, as I'm just about to go on a trip to the US. :) Regards, Adam J Richardson
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