Date: Fri, 12 Nov 2004 11:45:11 -0500 From: Stephan Uphoff <ups@tree.com> To: Nik Azim Azam <nskyline_r35@yahoo.com> Cc: freebsd-current@freebsd.org Subject: Re: number of CPUs and IPI panic Message-ID: <1100277911.78635.480.camel@palm.tree.com> In-Reply-To: <20041112141930.21592.qmail@web54607.mail.yahoo.com> References: <20041112141930.21592.qmail@web54607.mail.yahoo.com>
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On Fri, 2004-11-12 at 09:19, Nik Azim Azam wrote: > Win2K Advanced Server works just fine here. The root cause seems to be a misunderstanding of the interrupt delivery and buffering mechanism. The fix may take a few days since it probably requires extensive changes to the IPI layer. > --- "Ketrien I. Saihr-Kesenchedra" > <ketrien@error404.nls.net> wrote: > > > Josh Tolbert wrote: > > > > >Win2K Advanced Server works just fine on these > > boxes, no special patches needed. FreeBSD-4.x ran > > just fine on my Revolution 6x6 (also 6x PII > > OverDrive; you can see it at > > > http://www.puresimplicity.net/~hemi/Pics/Comps/ALR/). > > If you > > >want high-detail pics of a 6x6 motherboard, let me > > know. I have a spare dead one that I looted some > > parts from to revive my working one. > > > > > >I haven't tried FreeBSD-5.x on my 6x6, mainly cause > > the thing is disassembled until I build a case for > > it. Mine never had problems crashing under heavy > > load with 4.x, though. > > > > > > > > Indeed, but there's one detail being overlooked; > > You're dealing with a genuine ALR. What we have in > > this instance is a > > Unisys Aquanta Hx/6. The Hx/6 is not identical to > > the ALR, because > > Unisys can't leave good enough alone. (I had to deal > > with a DS6, which > > is based on the Revolution 4-way.) I definitely > > would not put stupid > > BIOS tweaks past it; in fact, I would very much > > expect them. > > As far as functionality; oh, yes, I can also confirm > > that on 4.x they > > were fine. I had opportunity to test a DS6, though, > > and it would -not- > > behave unless I told it I was Windows NT. The Unisys > > part here may be a > > similar situation. In fact, comparing your dmesg, I > > can say with some > > certainty that the Unisys part is not the same. For > > example; there is no > > pcic0. (This still may be erroneous.) Not > > remembering 4.x too well, the > > boot order also has me wondering, but that may just > > be 4.x. > > Somewhere around here I should have a bunch of notes > > on the ALR > > implementation. Both of those seem off to me for > > several reasons; I see > > two Orions detected when I'm fairly certain we > > should detect a total of > > three (not including memory card.) ISTR the APIC > > being a 24 pin, as > > well. I'll have to see if I can find what disk I > > stuck them on. > > > > -ksaihr > > > > > > > __________________________________ > Do you Yahoo!? > Check out the new Yahoo! Front Page. > www.yahoo.com > > > >
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