Date: Thu, 19 Dec 2002 15:45:21 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Dan Nelson <dnelson@allantgroup.com> Cc: FreeBSD current users <FreeBSD-current@FreeBSD.ORG> Subject: Re: Frequent lockups with SMP and heavy NFS access Message-ID: <20021219051521.GB53089@wantadilla.lemis.com> In-Reply-To: <20021219043607.GB54615@dan.emsphone.com> References: <20021219043020.GA53089@wantadilla.lemis.com> <20021219043607.GB54615@dan.emsphone.com>
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On Wednesday, 18 December 2002 at 22:36:08 -0600, Dan Nelson wrote: > 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. Well, then at least you can get a dump and others can look. In my case, the machine is completely catatonic. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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