From owner-freebsd-fs@FreeBSD.ORG Wed Jun 30 04:52:16 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 90D401065672 for ; Wed, 30 Jun 2010 04:52:16 +0000 (UTC) (envelope-from spork@bway.net) Received: from xena.bway.net (xena.bway.net [216.220.96.26]) by mx1.freebsd.org (Postfix) with ESMTP id 30ED38FC19 for ; Wed, 30 Jun 2010 04:52:15 +0000 (UTC) Received: (qmail 13673 invoked by uid 0); 30 Jun 2010 04:52:15 -0000 Received: from unknown (HELO ?10.3.2.41?) (spork@96.57.144.66) by smtp.bway.net with (AES128-SHA encrypted) SMTP; 30 Jun 2010 04:52:15 -0000 Message-Id: From: Charles Sprickman To: Pawel Jakub Dawidek In-Reply-To: <20100616132504.GK1739@garage.freebsd.pl> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v936) Date: Wed, 30 Jun 2010 00:52:14 -0400 References: <20100616132504.GK1739@garage.freebsd.pl> X-Mailer: Apple Mail (2.936) Cc: freebsd-fs@freebsd.org Subject: Re: zfs panic "evicting znode" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jun 2010 04:52:16 -0000 On Jun 16, 2010, at 9:25 AM, Pawel Jakub Dawidek wrote: > On Tue, Jun 15, 2010 at 10:34:20PM -0400, Charles Sprickman wrote: >> Howdy, >> >> I have a box running 8.0-RELEASE that recently started panicing >> every few >> hours with the following message: >> >> panic: evicting znode 0xa1eafe80 > > Do you have at least backtrace from DDB? > > What kind of workload do you have? I was no able to find a way to > trigger znode_evict_error() call (this is what you're seeing). > You could try changing '#if 1' to '#if 0' in > zfs_znode.c:znode_evict_error(), but I don't think this code path was > ever tested, because as I said, I was unable to trigger it. > > -- > Pawel Jakub Dawidek http://www.wheelsystems.com > pjd@FreeBSD.org http://www.FreeBSD.org > FreeBSD committer Am I Evil? Yes, I Am! I'm not too clever with ddb, but here's what I found after the last panic: http://img191.imageshack.us/slideshow/webplayer.php?id=img0505g.jpg Serial port is dead on this box, so I had to snap pics. I did a "where" and then looked at each thread. I now have the box at home, so I might have another chance with it before we nuke it - what other info could you use? Thanks, Charles