Date: Wed, 18 Dec 2002 22:36:08 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: "Greg 'groggy' Lehey" <grog@FreeBSD.ORG> Cc: FreeBSD current users <FreeBSD-current@FreeBSD.ORG> Subject: Re: Frequent lockups with SMP and heavy NFS access Message-ID: <20021219043607.GB54615@dan.emsphone.com> In-Reply-To: <20021219043020.GA53089@wantadilla.lemis.com> References: <20021219043020.GA53089@wantadilla.lemis.com>
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In the last episode (Dec 19), Greg 'groggy' Lehey said: > I've been experiencing a lot of lockups (system completely dead, no > reaction at the keyboard, can't ping) on an Intel SMP machine running > CURRENT. Normally I do my kernel builds over NFS, but in the last > few months I haven't been able to complete a 'make world'. Along > with -DNOCLEAN I can get a build done in about 4 attempts; local > builds work fine. NFS builds also work fine with other single > processor machines. > > Questions: > > 1. Has anybody else seen this? > 2. How should I approach looking for the problem? I've seen intermittent lockups where everything is dead, but I can break into DDB via serial console. They may be NFS-related, as it often crashes a half-hour before I get in to work, which could be due to co-workers trying to bulid from my NFS-exported ports tree. ps inside DDB doesn't show anything obviously wrong to my untrained eyes. -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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