From owner-freebsd-stable@FreeBSD.ORG Tue Sep 8 16:44:18 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 0A5A01065670; Tue, 8 Sep 2009 16:44:18 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (chello087206049004.chello.pl [87.206.49.4]) by mx1.freebsd.org (Postfix) with ESMTP id 4B0538FC13; Tue, 8 Sep 2009 16:44:17 +0000 (UTC) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 90F9E45C98; Tue, 8 Sep 2009 18:44:15 +0200 (CEST) Received: from localhost (chello087206049004.chello.pl [87.206.49.4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 813CF45683; Tue, 8 Sep 2009 18:44:10 +0200 (CEST) Date: Tue, 8 Sep 2009 18:44:13 +0200 From: Pawel Jakub Dawidek To: Gerrit =?iso-8859-1?Q?K=FChn?= Message-ID: <20090908164413.GC1539@garage.freebsd.pl> References: <20090908172332.476d9e0b.gerrit@pmp.uni-hannover.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="JYK4vJDZwFMowpUq" Content-Disposition: inline In-Reply-To: <20090908172332.476d9e0b.gerrit@pmp.uni-hannover.de> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 8.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-0.6 required=4.5 tests=BAYES_00,RCVD_IN_SORBS_DUL autolearn=no version=3.0.4 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 16:44:18 -0000 --JYK4vJDZwFMowpUq Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 08, 2009 at 05:23:32PM +0200, Gerrit K=FChn wrote: > Hi folks, >=20 > I just upgraded a zfs server from 7.0-something to 7.2-stable and hoped to > get rid of some minor instabilities I experienced every 6 months or so. > Unfortunately, the new system crashed for the first time after only a few > hours when copying some files via scp onto it. > I got a kernel panic which looked quite similar to the one reported here > (kmem_map too small): > >=20 > I have a dual cpu dual core opteron system with 4GB of RAM and a 3-disk > raidz1. I took out the memory settings from loader.conf as suggested in > UPDATING. I did not yet upgrade zpool nor zfs version (would that 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. If this is amd64, add vm.kmem_size=3D"4G" to your loader.conf back. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --JYK4vJDZwFMowpUq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFKpondForvXbEpPzQRAluUAJ44tvn4pDDin8niwggxLpojwbAsEgCfSi6+ bUW230aApqoP797xQp1WpD8= =zzNS -----END PGP SIGNATURE----- --JYK4vJDZwFMowpUq--