Date: Wed, 25 Feb 2004 14:09:35 -0500 From: John Baldwin <jhb@FreeBSD.org> To: "Ralph S." <ralph.sch@gmx.net> Cc: freebsd-hackers@freebsd.org Subject: Re: Local APIC on FreeBSD/i386 Message-ID: <200402251409.35715.jhb@FreeBSD.org> In-Reply-To: <24224.1077716465@www54.gmx.net> References: <20040223213832.GC36207@saboteur.dek.spc.org> <24224.1077716465@www54.gmx.net>
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On Wednesday 25 February 2004 08:41 am, Ralph S. wrote: > Hmm.. I'm running FreeBSD-current (as of Feb 12, 04) and it does implement > 'device apic' for UP systems... but onyl if the APIC has been enabled by > the BIOS. (Maybe I'm just doing something wrong there, though. However, > Intel's Katmai CPUs have an APIC built in, I'm sure of that.) I have tried > to software-enable it, set up the base address and update cpu_feature, but > until now all I get is > boot -v telling me there is no APIC (before, it didn't mention even that > though). You have to have an I/O APIC to talk to the local APIC. That is part of the motherboard chipset. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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