From owner-freebsd-hackers@FreeBSD.ORG Mon Jul 21 03:54:00 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D6A8E37B401 for ; Mon, 21 Jul 2003 03:54:00 -0700 (PDT) Received: from dgap-gw.mipt.ru (dgap-gw.mipt.ru [194.85.81.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2E55543F75 for ; Mon, 21 Jul 2003 03:53:59 -0700 (PDT) (envelope-from andrew@nas.dgap.mipt.ru) Received: (qmail 25866 invoked from network); 21 Jul 2003 10:53:57 -0000 Received: from unknown (HELO nas.dgap.mipt.ru) ([194.85.81.203]) (envelope-sender ) by dgap-gw.mipt.ru (qmail-ldap-1.03) with SMTP for ; 21 Jul 2003 10:53:57 -0000 Received: from nas.dgap.mipt.ru (localhost [127.0.0.1]) by nas.dgap.mipt.ru (8.12.8p1/8.12.8) with ESMTP id h6LArvvt002236; Mon, 21 Jul 2003 14:53:57 +0400 (MSD) (envelope-from andrew@nas.dgap.mipt.ru) Received: (from andrew@localhost) by nas.dgap.mipt.ru (8.12.8p1/8.12.8/Submit) id h6LArtKx002235; Mon, 21 Jul 2003 14:53:55 +0400 (MSD) Date: Mon, 21 Jul 2003 14:53:55 +0400 From: "Andrew L. Neporada" To: Avleen Vig Message-ID: <20030721105355.GA2198@nas.dgap.mipt.ru> References: <20030716125744.GI68950@silverwraith.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030716125744.GI68950@silverwraith.com> User-Agent: Mutt/1.4i cc: freebsd-hackers@freebsd.org Subject: Re: 4.8 panic "ffs_clusteralloc: map mismatch" [SOLVED] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jul 2003 10:54:01 -0000 On Wed, Jul 16, 2003 at 05:57:44AM -0700, Avleen Vig wrote: > > I have been experiencing several "ffs_clusteralloc: map mismatch" > > kernel panics (always while heavy r/w activity on ad0). PC in question > > has SuperMicro P3TDL3 motherboard, > > 2 ide + 1 scsi HDD and 4 nics (full dmesg & kernel config attached). > > Andrew, > > I spend about two to three years fighting with a system trying to figure > out what was wrong, and why these errors were caused. I got the very > same crashes you're seeing now. > I'm sure others are too, and I think this reply would be useful for the > archives. It seems that this panic was a result of filesystem corruption, which was caused by hw.ata.wc=1 on and HDD. After setting up hw.ata.wc=0 in /boot/loader.conf problems are all gone. > -- > Avleen Vig "Say no to cheese-eating surrender-monkeys" > Systems Admin "Fast, Good, Cheap. Pick any two." > www.silverwraith.com "Move BSD. For great justice!" Andrew.