Date: Tue, 24 Jun 1997 20:53:00 +0800 From: Peter Wemm <peter@spinner.dialix.com.au> To: Bob Willcox <bob@luke.pmr.com> Cc: Steve Passe <smp@csn.net>, dyson@FreeBSD.ORG, freebsd-smp@FreeBSD.ORG Subject: Re: Recent (last two days) smp kernel is hanging for me Message-ID: <199706241253.UAA10065@spinner.dialix.com.au> In-Reply-To: Your message of "Tue, 24 Jun 1997 07:19:03 EST." <19970624071903.56017@luke.pmr.com>
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Bob Willcox wrote: > 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, bu t > > failing on both the ASUS and the P6DNF. Specifically we now create the mpl ock > > 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 AS US > > 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!! :-) Well, pass me the pointy hat! *-<8-) Cheers, -Peter
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