Date: Tue, 24 Jun 1997 07:19:03 -0500 From: Bob Willcox <bob@luke.pmr.com> To: Steve Passe <smp@csn.net> Cc: dyson@FreeBSD.ORG, peter@spinner.dialix.com.au, freebsd-smp@FreeBSD.ORG Subject: Re: Recent (last two days) smp kernel is hanging for me Message-ID: <19970624071903.56017@luke.pmr.com> In-Reply-To: <199706240732.BAA10251@Ilsa.StevesCafe.com>; from Steve Passe on Tue, Jun 24, 1997 at 01:32:10AM -0600 References: <199706240310.WAA01893@dyson.iquest.net> <199706240732.BAA10251@Ilsa.StevesCafe.com>
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On Tue, Jun 24, 1997 at 01:32:10AM -0600, Steve Passe wrote: > Hi, > > I found something that would explain the new code working on the intels, but > failing on both the ASUS and the P6DNF. Specifically we now create the mplock > with the LOGICAL cpu id, BUT the initial lock is still built with the > PHYSICAL cpu id. since the intel #s the BSP as 0 it works, but both the ASUS > and the P6DNF # the BSP as 1, so it gets hung on the first attempt to grab the > lock (this is all theory). try changing mp_machdep.c:start_all_aps(), line > 1376: > > mp_lock = (lapic.id & APIC_ID_MASK) + 1; > > to: > > mp_lock = 1; Well, that seemed to do the trick on my system!! :-) > > -- > Steve Passe | powered by > smp@csn.net | Symmetric MultiProcessor FreeBSD > -- Bob Willcox Deliberation, n.: The act of examining one's bread to determine bob@luke.pmr.com which side it is buttered on. Austin, TX -- Ambrose Bierce, "The Devil's Dictionary"
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