From owner-freebsd-stable Wed Sep 27 6:19:31 2000 Delivered-To: freebsd-stable@freebsd.org Received: from mailgate.abacus.co.uk (mailgate.abacus.co.uk [194.130.48.21]) by hub.freebsd.org (Postfix) with ESMTP id 9C10737B43E for ; Wed, 27 Sep 2000 06:19:21 -0700 (PDT) Received: from abacus.co.uk (pcantony.bl.abacus.co.uk [194.130.48.111]) by mailgate.abacus.co.uk (8.9.3/8.9.3) with ESMTP id OAA29736; Wed, 27 Sep 2000 14:53:59 +0100 Message-ID: <39D1F3C4.33625F65@abacus.co.uk> Date: Wed, 27 Sep 2000 14:19:00 +0100 From: Antony T Curtis Organization: Abacus Polar PLC (UK) X-Mailer: Mozilla 4.74 [en] (X11; U; FreeBSD 4.1-20000828-STABLE i386) X-Accept-Language: en MIME-Version: 1.0 To: Jeroen Ruigrok van der Werven Cc: Nick Sayer , freebsd-stable@FreeBSD.ORG Subject: Re: UP kernel on SMP machine? References: <39D18AF8.D2FE4073@quack.kfu.com> <20000927140005.I10657@lucifer.bart.nl> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Jeroen Ruigrok van der Werven wrote: > > -On [20000927 07:55], Nick Sayer (nsayer@quack.kfu.com) wrote: > >Does anyone think that setting up a non-SMP kernel on an SMP motherboard > >(but with only one processor installed) might have anything to do with > >this? > > UP kernels should work on a SMP box. And a few others agree with me on > this. > > Unfortunately I don't have a 4-STABLE SMP box to test this on. > > Have you tried enabling DDB and trying to break to DDB when it is just > blank? > > Did you actually see FreeBSD reporting: > > buffers flushed > rebooting > > or something to that nature and the system attempting to reboot? I have never experienced any problems with running UP OS's on a SMP mobo with either one or 2 CPU's installed. This is both with Pentium 200 CPUs on a Tyan Tomcat mobo... and Intel Celeron 400A on a Tyan 440BX mobo. -- ANTONY T CURTIS Tel: +44 (1635) 36222 Abacus Polar Holdings Ltd Fax: +44 (1635) 38670 > You can't judge a book by the way it wears its hair. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message