From owner-freebsd-current@FreeBSD.ORG Wed Oct 31 11:58:07 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 687EE16A420 for ; Wed, 31 Oct 2007 11:58:07 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 067C213C4A7 for ; Wed, 31 Oct 2007 11:58:06 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 9A3D745E90; Wed, 31 Oct 2007 10:54:35 +0100 (CET) Received: from localhost (pjd.wheel.pl [10.0.1.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id D0E7045683; Wed, 31 Oct 2007 10:54:29 +0100 (CET) Date: Wed, 31 Oct 2007 10:54:28 +0100 From: Pawel Jakub Dawidek To: Adam McDougall Message-ID: <20071031095428.GH8068@garage.freebsd.pl> References: <20071029024356.GR3612@egr.msu.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="SBT+cnFS/G3NVgv4" Content-Disposition: inline In-Reply-To: <20071029024356.GR3612@egr.msu.edu> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-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=-5.9 required=3.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-current@freebsd.org Subject: Re: zfs stuck, cannot do any I/O, processes in Disk Wait X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Oct 2007 11:58:07 -0000 --SBT+cnFS/G3NVgv4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Oct 28, 2007 at 10:43:56PM -0400, Adam McDougall wrote: > I think I have had this happen at least once before, but someone else > rebooted the system before I could see it. I have a server with a=20 > number of zfs filesystems mounted from a raidz, but it won't transfer > any data. I'm not sure why its stuck. It is running 7.0-PRERELEASE > Wed Oct 17 and I'm pretty sure it is WITHOUT vm_kern.c.2.patch. The > system is amd64 and I have not seen a kmem panic since I raised kmem > to 1.5G. =20 >=20 > I logged in to scp a file off of zfs, was able to ls -l to see the file > but the scp hung before transferring any bytes. Now I cannot do a ls -l > in that directory, /z. I noticed several days worth of rsync processes > stuck in disk wait, it must have been in this state for several days. > I have no urgent need to reboot this system, its more important to try > to get a permanent fix. Please let me know what other information I=20 > can provide. =20 I'm afraid you need to do some debugging on your own. I'd start from compiling INVARIANTS, INVARIANT_SUPPORT and WITNESS in. You may want to take a look at developers handbook to see how to obtain some informations from DDB. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --SBT+cnFS/G3NVgv4 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHKFDUForvXbEpPzQRArbaAJ4xWDJewTWOBWKrWC4vBydNAR30hQCg4Ixe asCy7V5FJUbhFX8+Rgca2yU= =UBnB -----END PGP SIGNATURE----- --SBT+cnFS/G3NVgv4--