From owner-freebsd-smp Sun Sep 15 12:42:53 2002 Delivered-To: freebsd-smp@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D458037B400 for ; Sun, 15 Sep 2002 12:42:51 -0700 (PDT) Received: from canning.wemm.org (canning.wemm.org [192.203.228.65]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9219543E65 for ; Sun, 15 Sep 2002 12:42:51 -0700 (PDT) (envelope-from peter@wemm.org) Received: from wemm.org (localhost [127.0.0.1]) by canning.wemm.org (Postfix) with ESMTP id 7A9152A88D; Sun, 15 Sep 2002 12:42:51 -0700 (PDT) (envelope-from peter@wemm.org) X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: Andrew Gallatin Cc: Terry Lambert , "Campbell, Glenn" , smp@freebsd.org Subject: Re: Intel SE7500CW2 Mainboard SMP Problems In-Reply-To: <15742.32707.183751.698741@grasshopper.cs.duke.edu> Date: Sun, 15 Sep 2002 12:42:51 -0700 From: Peter Wemm Message-Id: <20020915194251.7A9152A88D@canning.wemm.org> Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Andrew Gallatin wrote: > > Terry Lambert writes: > > > Is it possible our AP spinup code has never been tried with CPUs at > > > anything other than the next physical id (eg, 1)? > > > > This was not the case historically. AP on 6 was the standard > > for the boards PHK and Jack Vogel had. I know that there was > > code to rewrite the APIC ID to linearize them, at one time. > > > > Is it now being assumed that it's linear? The ID is basically > > Not that I know -- it was just a WAG. All the x86 mp boards I've seen > have had the first AP at #1, so I was assuming there might be a > problem. Nope, the system does not care about this. We use a logical to physical addressing layer. eg: quad xeon (Intel SKA2): Processors: APIC ID Version State Family Model Step Flags 3 0x11 BSP, usable 6 7 3 0x387fbff 0 0x11 AP, usable 6 7 3 0x387fbff 1 0x11 AP, usable 6 7 3 0x387fbff 2 0x11 AP, usable 6 7 3 0x387fbff compaq DL380: Processors: APIC ID Version State Family Model Step Flags 3 0x10 BSP, usable 6 11 1 0x383fbff 0 0x10 AP, usable 6 11 1 0x383fbff > Drew > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message > Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message