From owner-freebsd-fs@FreeBSD.ORG Sat Mar 13 15:24:39 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 F0A41106566C for ; Sat, 13 Mar 2010 15:24:39 +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 320E68FC22 for ; Sat, 13 Mar 2010 15:24:38 +0000 (UTC) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 80AA945F22; Sat, 13 Mar 2010 16:24:36 +0100 (CET) Received: from localhost (chello089077043238.chello.pl [89.77.43.238]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 9028545E82; Sat, 13 Mar 2010 16:24:30 +0100 (CET) Date: Sat, 13 Mar 2010 16:24:29 +0100 From: Pawel Jakub Dawidek To: Borja Marcos Message-ID: <20100313152429.GH3209@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> <20100310173143.GD1715@garage.freebsd.pl> <27A6DF40-2EA8-4CFC-9E42-DD995E2F9342@sarenet.es> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="BOKacYhQ+x31HxR3" Content-Disposition: inline In-Reply-To: <27A6DF40-2EA8-4CFC-9E42-DD995E2F9342@sarenet.es> 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=-0.6 required=4.5 tests=BAYES_00,RCVD_IN_SORBS_DUL autolearn=no version=3.0.4 Cc: freebsd-fs@freebsd.org Subject: Re: Many processes stuck in zfs 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: Sat, 13 Mar 2010 15:24:40 -0000 --BOKacYhQ+x31HxR3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 12, 2010 at 11:12:49AM +0100, Borja Marcos wrote: >=20 > On Mar 10, 2010, at 6:31 PM, Pawel Jakub Dawidek wrote: >=20 > > Hmm, interesting. Especially those two traces: > >=20 > > Tracing command zfs pid 1820 tid 100105 td 0xffffff0002ca4000 >=20 > Just in case something was wrong, I wiped the two virtual machines and st= arted everything again. The two virtual systems were acting a bit weird, gi= ving lots of LORs. I don't know why, maybe something was corrupted, these v= irtual machines have been panicked and restarted many times. >=20 > So, experiment repeated again, fresh start. Still deadlocking pretty soon= if I start, say, 5 or 6 tar processes. Traces follow. Are you able to dump the kernel memory and make it available for me somewhere? I'd need to look at it wit GDB, as DDB is not enough here, I'm afraid. --=20 Pawel Jakub Dawidek http://www.wheelsystems.com pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --BOKacYhQ+x31HxR3 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkubriwACgkQForvXbEpPzSs7ACeOrARD6DxJqpTwvIsHeGCWKk1 sKcAniaTOnPPvwqtev6B8U2gLr3krleO =fM69 -----END PGP SIGNATURE----- --BOKacYhQ+x31HxR3--