From owner-freebsd-current Sat Jan 15 15: 4: 9 2000 Delivered-To: freebsd-current@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id 9B2AE14CA5 for ; Sat, 15 Jan 2000 15:04:06 -0800 (PST) (envelope-from bright@fw.wintelcom.net) Received: (from bright@localhost) by fw.wintelcom.net (8.9.3/8.9.3) id PAA09300; Sat, 15 Jan 2000 15:26:25 -0800 (PST) Date: Sat, 15 Jan 2000 15:26:25 -0800 From: Alfred Perlstein To: Alexander Leidinger Cc: peter@netplex.com.au, current@FreeBSD.ORG Subject: Re: crash with ffs_softdep.c 1.52 Message-ID: <20000115152625.T508@fw.wintelcom.net> References: <20000115150138.25C5D1CD4@overcee.netplex.com.au> <200001151911.UAA01264@Magelan.Leidinger.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200001151911.UAA01264@Magelan.Leidinger.net>; from Alexander@leidinger.net on Sat, Jan 15, 2000 at 08:11:35PM +0100 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * Alexander Leidinger [000115 12:17] wrote: > On 15 Jan, Peter Wemm wrote: > > Alfred Perlstein wrote: > >> * Alexander Leidinger [000115 06:17] wrote: > >> > Hi, > >> > > >> > unfortunally no core dump, but I'm able to reproduce it (I just have to > >> > enable softupdates). > >> > >> how? It looks like splbio is not up but the softdep lock is held. > > ^^^^ > I just have to enable softupdates on /home, /var, /usr, /usr/obj to > get a panic at "Additional daemons: syslogd" while booting. > If I disable softupdates at /var I'm able to log in (X11) and dial out > -> panic (because of fetchnews/fetchmail/whatever are accessing > something). > > > The best thing is to look at this global variable for lkt_held: > > static struct lockit { > > int lkt_spl; > > pid_t lkt_held; > > } lk; > > > > and see which process held the lock. Do a traceback on that process as well.. > > How do I do this with _DDB_ (step by step please, I'm not very > experienced with it), I get no core dump? Do I have to boot a > debug-kernel? http://www.freebsd.org/handbook/kerneldebug.html -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message