From owner-freebsd-stable@FreeBSD.ORG Wed Mar 10 12:56:48 2010 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 455521065672; Wed, 10 Mar 2010 12:56:48 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (chello089077043238.chello.pl [89.77.43.238]) by mx1.freebsd.org (Postfix) with ESMTP id 824E08FC15; Wed, 10 Mar 2010 12:56:46 +0000 (UTC) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 2CD0545C99; Wed, 10 Mar 2010 13:56:45 +0100 (CET) Received: from localhost (pdawidek.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 E663745683; Wed, 10 Mar 2010 13:56:39 +0100 (CET) Date: Wed, 10 Mar 2010 13:56:39 +0100 From: Pawel Jakub Dawidek To: Borja Marcos Message-ID: <20100310125639.GB1715@garage.freebsd.pl> References: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> <20100309122954.GE3155@garage.freebsd.pl> <20100309125815.GF3155@garage.freebsd.pl> <20100310110202.GA1715@garage.freebsd.pl> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="qlTNgmc+xy1dBmNv" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 9.0-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=4.5 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-fs@freebsd.org, FreeBSD Stable Subject: Re: Many processes stuck in zfs 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: Wed, 10 Mar 2010 12:56:48 -0000 --qlTNgmc+xy1dBmNv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 10, 2010 at 01:32:02PM +0100, Borja Marcos wrote: > Trying. I started my typical test: >=20 > Machine 1 doing a make buildworld on a dataset with src and obj on it. >=20 > Machine 1 replicating incremental snapshots of the dataset to machine 2. >=20 > Machine 2 running some "tar cf - . | ( cd /pool/anotherdataset && tar xf = - )" from the dataset being replicated, ie, doing read operations on the ta= rget dataset. >=20 > This time, with all those debug options, there was no deadlock, but almos= t an instant trap entering DDB. Unfortunately, I tried to capture the outpu= t of "alltrace", etc using the capture option. But couldn't come back to th= e system to read it. >=20 > Any ideas? I'm using VMWare Fusion to run FreeBSD for these tests and see= ms I'm out of luck, I don't see any console output mechanism. You should be able to use text dumps to capture output of those commands on panic. --=20 Pawel Jakub Dawidek http://www.wheelsystems.com pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --qlTNgmc+xy1dBmNv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkuXlwcACgkQForvXbEpPzRzNACfTNHrGE+pPTvYnZlXaRaPpxGc 2u8An3VA/URKFHEEeca5ItcVTdP5G+Uy =z7Mk -----END PGP SIGNATURE----- --qlTNgmc+xy1dBmNv--