Date: Sat, 7 Aug 1999 13:43:07 +0200 From: Stefan Esser <se@zpr.uni-koeln.de> To: Rod Taylor <dark@idiotswitch.org> Cc: jkh@zippy.cdrom.com, freebsd-stable@FreeBSD.ORG, Stefan Esser <se@freebsd.org> Subject: Re: continued crashes with 3.1-Stable Message-ID: <19990807134307.A868@dialup124.zpr.uni-koeln.de> In-Reply-To: <99080703410000.01685@a11.idiotswitch.org>; from Rod Taylor on Sat, Aug 07, 1999 at 03:39:14AM -0400 References: <2602.934003898@localhost> <99080703410000.01685@a11.idiotswitch.org>
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On 1999-08-07 03:39 -0400, Rod Taylor <dark@idiotswitch.org> wrote: > On Sat, 07 Aug 1999, Jordan K. Hubbard wrote: > > I wonder why this doesn't happen to Yahoo's SMP boxes then. > > They run -stable and would be screaming blue murder if their > > webservers were doing the same thing. So, for that matter, > > would Hotmail. > > > > Perhaps someone should try to find out what hardware on their systems works. > Is it possible that FreeBSD supports one SMP mobo brand better than others? One thing to look out for are kernel modifications that are not SMP safe. (I found out the hard way, when I tried the IPsec code ported from OpenBSD to FreeBSD half a year ago. It made SMP systems crash under load!) I am only aware of one more kernel option that is not SMP safe: The CODA file system code. The developers just don't consider SMP a prime objective. But there might be other exotic drivers or options (or local modifications) in your kernel, that miss some SMP locks. Regards, STefan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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