From owner-freebsd-stable Wed Oct 18 16:54: 8 2000 Delivered-To: freebsd-stable@freebsd.org Received: from thelab.hub.org (CDR8-44.accesscable.net [24.138.8.44]) by hub.freebsd.org (Postfix) with ESMTP id C817937B4FE; Wed, 18 Oct 2000 16:54:00 -0700 (PDT) Received: from localhost (scrappy@localhost) by thelab.hub.org (8.11.1/8.11.1) with ESMTP id e9INqNI06399; Wed, 18 Oct 2000 20:52:23 -0300 (ADT) (envelope-from scrappy@hub.org) X-Authentication-Warning: thelab.hub.org: scrappy owned process doing -bs Date: Wed, 18 Oct 2000 20:52:23 -0300 (ADT) From: The Hermit Hacker To: Terry Lambert Cc: Kris Kirby , freebsd-stable@FreeBSD.ORG, freebsd-smp@FreeBSD.ORG Subject: Re: Dual CPU Xeon server hangs on SMP kernel ... In-Reply-To: <200010182344.QAA18472@usr01.primenet.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Terry, if I feared 'the shotgun', I wouldn't ask the question ... I'm going to spent tomorrow morning going through the BIOs, as well as do the serial connection/snapshot and see what I can come with and report back ... Thanks ... On Wed, 18 Oct 2000, Terry Lambert wrote: > > > > Okay, since I can't actually boot into SMP, how would you suggest I get > > > > that information? MPtable I know how to get, and can do that without > > > > being in SMP, so will get that one later tonight and send it on, but any > > > > sugggestions on how to get the dmesg from an actual SMP boot is most > > > > welcome? > > > > > > Pull the keyboard and connect to the box with a null-modem connected to > > > COM1 of the Xeon box. Capture to logfile. cat ~/logfile | mail > > > freebsd@lists. > > > > damn, I was afraid that was going to be the only solution :( ah well, > > will try and get into office tonight and do this ... > > It's important to see the stuff that comes up differently > when attempting an SMP boot. > > However, assumming you had a UP boot in hand, you could get > most of the information by comparing it to a hung SMP boot, > and manually filing in the differences. > > The first thing to check is that chipset features, Id, and > stepping are identical; if they aren't, you could have > problems. > > The other issues are MPtable version, interrupt routing, and > BIOS programming of your chipset (in general, I think that > selecting "UnixWare" has shown the most overall success, but > ou may need to go into advanced BIOs options for specific > settings). > > BIOS versions and other stuff are also useful. > > The reason you didn't get this shotgun to start with (the way > you asked the questions is basically a request for a shotgun) > is that it's more useful to the project as a whole to know > exatly why you are failing, so that it can be surgically > corrected. Giving you a shotgun, and getting back a "Thanks; > it works now" message doesn't provide a way for changing the > code to avoid your situation in the future, and handing out > shotguns for all of eternity isn't really a tenable support > situation. > > Now that I've given you a shotgun, at least fire off only one > pellet at a time, and let us know which one, if any, hits the > mark. > > Preferrably, you'll go to the trouble of capturing the data, > so that we can give you a better diagnosis, and help avoid > this pain for others (or your next system) in the future. > > > Terry Lambert > terry@lambert.org > --- > Any opinions in this posting are my own and not those of my present > or previous employers. > > Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy Systems Administrator @ hub.org primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message