Date: Fri, 04 Sep 1998 21:31:36 -0600 From: Steve Passe <smp@csn.net> To: Mike Smith <mike@smith.net.au> Cc: smp@FreeBSD.ORG Subject: Re: Big new SMP challenge (4x Xeon, 450NX) Message-ID: <199809050331.VAA17025@Ilsa.StevesCafe.com> In-Reply-To: Your message of "Sat, 05 Sep 1998 03:23:56 PDT." <199809051023.DAA03074@dingo.cdrom.com>
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Mike, > > I want one. > > Do you have a forklift? 8) I could get one! > > > -- > > > I/O APICs: APIC ID Version State Address > > > 4 0x13 usable 0xfec10000 > > > ... > > > INT active-lo level 0 10:A 4 58 > > > INT active-lo level 0 11:A 4 57 > > > .. > > > INT active-lo level 0 12:A 4 48 > > > INT active-lo level 0 15:D 4 49 > > > > one APIC but pin#s higher than 24, some piece of the puzzle is missing. > > Where can docs on the hardware be found? > > I don't know if they can; they're quite possibly still being written. > I'll ask our source and see what they can come up with. > > Is it possible that this might be a new APIC? Any suggestions on part > numbers to look for on the board? Anything in the SMP kernel output to > look for that would identify it? The IO APIC is traditionally part of the motherboard chipset. So the place to start would be to get a set of docs on the 450NX chipset. > The inference here is of course that if there's more than one APIC, we > have trouble because we run out of room in the interrupt mask, correct? Correct to the extent that we have a completely "plug-n-play" kernel, but to get things rolling a simple hard-coded hack somewhere in mpapic.c would probably get this beast to boot. -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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