From owner-freebsd-current@FreeBSD.ORG Fri Aug 20 17:26:56 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0355416A4CE; Fri, 20 Aug 2004 17:26:56 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id E6D4443D1D; Fri, 20 Aug 2004 17:26:55 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id DC30A72DD4; Fri, 20 Aug 2004 10:26:55 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id D6B4072DCB; Fri, 20 Aug 2004 10:26:55 -0700 (PDT) Date: Fri, 20 Aug 2004 10:26:55 -0700 (PDT) From: Doug White To: Martin Blapp In-Reply-To: <20040820081108.V95296@cvs.imp.ch> Message-ID: <20040820102415.T73388@carver.gumbysoft.com> References: <20040819165405.D95296@cvs.imp.ch> <200408191107.31678.jhb@FreeBSD.org> <20040819190555.S66276@carver.gumbysoft.com> <20040820081108.V95296@cvs.imp.ch> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org Subject: Re: SMP: Background fsck deadlocks CURRENT and RELENG_5 solid X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Aug 2004 17:26:56 -0000 On Fri, 20 Aug 2004, Martin Blapp wrote: > > Perhaps you're short on disk space on / and the deltas from the snapshot > > take you over the edge? Or have some sort of large I/O operation run just > > after boot? > > Hmm of course yes. But only about 10 seconds on one machine. On the other > the workload just begins after startup. And, I start two kernel threaded > programms at the same time. > > If you like to have a similiar setup you have to install: > > clamd > mimedefang > sendmail (from ports) > dnsrbld > qpopper > apache > > I think that's enough and will lead to a crash. How big is the mail queue? There's some bugs in the snapshot code versus the background update, and touching a file that gets adjusted later will explode like this. Also just plain massive changes will do it -- a while back it was cvsupping ports while bgfsck was running. You migth want to set your spool volume nobgfsck. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org