From owner-freebsd-bugs Tue Aug 29 09:46:58 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.FreeBSD.org (8.6.11/8.6.6) id JAA14574 for bugs-outgoing; Tue, 29 Aug 1995 09:46:58 -0700 Received: from who.cdrom.com (who.cdrom.com [192.216.222.3]) by freefall.FreeBSD.org (8.6.11/8.6.6) with ESMTP id JAA14564 for ; Tue, 29 Aug 1995 09:46:46 -0700 Received: from minnow.render.com (render.demon.co.uk [158.152.30.118]) by who.cdrom.com (8.6.11/8.6.11) with ESMTP id JAA01144 for ; Tue, 29 Aug 1995 09:46:01 -0700 Received: (from dfr@localhost) by minnow.render.com (8.6.9/8.6.9) id RAA23592; Tue, 29 Aug 1995 17:43:53 +0100 Date: Tue, 29 Aug 1995 17:43:52 +0100 (BST) From: Doug Rabson To: Marcus.John@wiesbaden.netsurf.de cc: freebsd-bugs@freebsd.org Subject: Re: Diskless swapping panics->reboots In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: bugs-owner@freebsd.org Precedence: bulk On Sat, 26 Aug 1995 Marcus.John@wiesbaden.netsurf.de wrote: > Hi Doug, > > last week I got a grip on a HP E35 running HP-UX 9.04 (A configuration that is > proposed accroding to the FreeBSD-Handbook), but the problem is still the same. > > When FreeBSD runs low on memory (vmstat reports ~ 100...150) it simply reboots. > > Further investigatin with a new kernel, built with config -g and an additional > savcore setting, showed up that there is *NO* panic, it simply dies quick. > > After the reboot you still see ~69k of junk data in the swapfile on the > NFS-Server. > > Perhaps this will give you, or anybody else, some more clues for this bug. > > Thanks > I just saw this on Usenet: From: graichen@sirius.physik.fu-berlin.de (Thomas Graichen) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: FreeBSD diskless Thomas Graichen (graichen@sirius.physik.fu-berlin.de) wrote: : hello : has anybody set up a (or some ...) FreeBSD machines diskless - with root : _and_ swap via nfs - i've got it working so far very good - but only with : local swap - if i try to use swapping over nfs the system comes up ok - but : short after it starts swapping many processes die on signals 11 and : sometimes 6 and the machine hangs - are there any tricks i don't know ? : thanks in advance - t : p.s.: it's FreeBSD 2.0.5-RELEASE i've now solved the problem - simply use dd if=/dev/zero of=swapfile bs=... count=... for craeting the swapfile and not touch like said in the Diskless FAQ - and it seems that the size of that file must be exactly the size of the swapsize parameter in cfg.X.X.X.X -- Doug Rabson, Microsoft RenderMorphics Ltd. Mail: dfr@render.com Phone: +44 171 251 4411 FAX: +44 171 251 0939