From owner-freebsd-stable@FreeBSD.ORG Tue Sep 8 15:39:47 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 84284106568B; Tue, 8 Sep 2009 15:39:47 +0000 (UTC) (envelope-from serenity@exscape.org) Received: from ch-smtp01.sth.basefarm.net (ch-smtp01.sth.basefarm.net [80.76.149.212]) by mx1.freebsd.org (Postfix) with ESMTP id 3C3208FC13; Tue, 8 Sep 2009 15:39:47 +0000 (UTC) Received: from c83-253-252-234.bredband.comhem.se ([83.253.252.234]:58698 helo=mx.exscape.org) by ch-smtp01.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1Ml2nB-0004xF-5A; Tue, 08 Sep 2009 17:39:39 +0200 Received: from [192.168.1.5] (macbookpro [192.168.1.5]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mx.exscape.org (Postfix) with ESMTPSA id 1AB0D1DF75; Tue, 8 Sep 2009 17:38:58 +0200 (CEST) Mime-Version: 1.0 (Apple Message framework v1075.2) Content-Type: text/plain; charset=iso-8859-1; format=flowed; delsp=yes From: Thomas Backman In-Reply-To: <20090908172332.476d9e0b.gerrit@pmp.uni-hannover.de> Date: Tue, 8 Sep 2009 17:38:55 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20090908172332.476d9e0b.gerrit@pmp.uni-hannover.de> To: =?iso-8859-1?Q?Gerrit_K=FChn?= X-Mailer: Apple Mail (2.1075.2) X-Originating-IP: 83.253.252.234 X-Scan-Result: No virus found in message 1Ml2nB-0004xF-5A. X-Scan-Signature: ch-smtp01.sth.basefarm.net 1Ml2nB-0004xF-5A ff9feeb5216626fda05dfcdf4d007935 Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: zfs kernel panic X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Sep 2009 15:39:47 -0000 On Sep 8, 2009, at 5:23 PM, Gerrit K=FChn wrote: > Hi folks, > > I just upgraded a zfs server from 7.0-something to 7.2-stable and =20 > hoped to > get rid of some minor instabilities I experienced every 6 months or =20= > so. > Unfortunately, the new system crashed for the first time after only =20= > a few > hours when copying some files via scp onto it. > I got a kernel panic which looked quite similar to the one reported =20= > here > (kmem_map too small): > = > > > I have a dual cpu dual core opteron system with 4GB of RAM and a 3-=20 > disk > raidz1. I took out the memory settings from loader.conf as suggested =20= > in > UPDATING. I did not yet upgrade zpool nor zfs version (would that =20 > help?). > Are there any known issues or any further hints what might cause the > crash? I copied the files again, but this time everything went fine. Hmm. Do you use i386 or amd64? This panic is (was?) pretty common on =20 i386 before tuning, but... 4GB RAM and an Opteron should have you =20 running amd64, no? Regards, Thomas=