From owner-freebsd-smp Mon Feb 3 16:03:37 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id QAA29199 for smp-outgoing; Mon, 3 Feb 1997 16:03:37 -0800 (PST) Received: from clem.systemsix.com (clem.systemsix.com [198.99.86.131]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id QAA29151 for ; Mon, 3 Feb 1997 16:02:27 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by clem.systemsix.com (8.6.12/8.6.12) with SMTP id RAA18147; Mon, 3 Feb 1997 17:00:36 -0700 Message-Id: <199702040000.RAA18147@clem.systemsix.com> X-Authentication-Warning: clem.systemsix.com: Host localhost didn't use HELO protocol X-Mailer: exmh version 1.6.5 12/11/95 From: Steve Passe To: smp@FreeBSD.ORG cc: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Subject: Re: My first SMP kernel... In-reply-to: Your message of "Mon, 03 Feb 1997 23:50:09 +0100." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 03 Feb 1997 17:00:36 -0700 Sender: owner-smp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Hi, > My testboard is an older ASUS PCI/EISA dual-CPU board with a Neptune > chipset, running at 90 MHz still. (The second CPU was actually a 133 > MHz one, but that shouldn't matter.) sounds a little shaky, any idea what the stepping of the original CPU is? some of the earlier P5/90s didn't do SMP very well... checkout: http://sysdoc.pair.com/pentium.html to see if this chip supports SMP --- > I've grabbed all the CTM deltas from freefall's ftp area, and checked > out the most recent kernel source. Well, i didn't get this kernel to > work stable, it crashed all over the place. :-( At best, it could > get away to run something like `make obj', at worst, i couldn't even > log in since the shell crashed immediately (sig 4, sig 11 etc.). Note > that this even happened when running this kernel uni-processor, while ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ by this you mean before doing "sysctl -w kern.smp_active=2"? --- > the old (3.0-current) kernel.GENERIC ran fine on identical hardware. I think Chuck Robey would be the one to ask as to determining whether those CTM deltas are current, I wouldn't have a clue... --- > The SCSI controller is an AHA2742, but i didn't see SCSI errors, so it > must be more a VM thingie. Peter Wemm has this controller (and I think MB) so he might have insight. --- > I tried to make the SMP options in the > config file as benign as possible (just only SMP, NCPU, NBUS, and the > APIC stuff, no whistles and bells), but still no go. did you also use options SMP_INVLTLB? this is necessary. --- > (Please, keep me on the Cc list.) > > -- > cheers, J"org -- Steve Passe | powered by smp@csn.net | FreeBSD