From owner-freebsd-stable@FreeBSD.ORG Sat Dec 5 22:48:30 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 E30E0106566C; Sat, 5 Dec 2009 22:48:30 +0000 (UTC) (envelope-from peterjeremy@acm.org) Received: from mail15.syd.optusnet.com.au (mail15.syd.optusnet.com.au [211.29.132.196]) by mx1.freebsd.org (Postfix) with ESMTP id 6D69A8FC14; Sat, 5 Dec 2009 22:48:30 +0000 (UTC) Received: from server.vk2pj.dyndns.org (c122-106-232-83.belrs3.nsw.optusnet.com.au [122.106.232.83]) by mail15.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id nB5MmRGg002263 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 6 Dec 2009 09:48:28 +1100 X-Bogosity: Ham, spamicity=0.000000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.3/8.14.3) with ESMTP id nB5MmQwX005406; Sun, 6 Dec 2009 09:48:26 +1100 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.3/8.14.3/Submit) id nB5MmQcP005405; Sun, 6 Dec 2009 09:48:26 +1100 (EST) (envelope-from peter) Date: Sun, 6 Dec 2009 09:48:26 +1100 From: Peter Jeremy To: freebsd-stable@freebsd.org Message-ID: <20091205224826.GA92509@server.vk2pj.dyndns.org> References: <20091128212226.GA9841@server.vk2pj.dyndns.org> <3ABF47F1-86EC-4CF2-9D42-86344D0F455B@exscape.org> <20091130081330.GA2202@server.vk2pj.dyndns.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="h31gzZEtNLTqOjlF" Content-Disposition: inline In-Reply-To: <20091130081330.GA2202@server.vk2pj.dyndns.org> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.20 (2009-06-14) Cc: freebsd-current@freebsd.org Subject: Re: Non-responsive 8.0-RC1 (now 8.0-STABLE) 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: Sat, 05 Dec 2009 22:48:31 -0000 --h31gzZEtNLTqOjlF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2009-Nov-30 19:13:30 +1100, Peter Jeremy = wrote: >On 2009-Nov-29 08:56:55 +0100, Thomas Backman wrote: >> >>On Nov 28, 2009, at 10:22 PM, Peter Jeremy wrote: >> >>> My main server is running 8.0/amd64 from between RC1 and RC2 and I've >>> recently had a couple of long-duration hangs on it during which time >>> processes doing I/O will stop responding. =2E.. >It actually "hung" again just after I sent the original mail. This >time I managed to get console access and could check the kernel state. >This showed that a number of processes were blocked on ZFS locks. >The most commonly reported state was 'tx->tx_quiesce_done_cv)'. I've upgraded to 8-STABLE from 30-Nov and the problem is still present, even after disabling the boinc processes. This seems to leave race conditions inside ZFS as the only option. Has anyone else seen anything like this? --=20 Peter Jeremy --h31gzZEtNLTqOjlF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEARECAAYFAksa4zoACgkQ/opHv/APuIfqfQCgk9TJXscyl1Bq4L0Bqr+hgCwr s4sAn3bb0O4jHpDKBHAlnpa2Uq1C9YmN =mHcj -----END PGP SIGNATURE----- --h31gzZEtNLTqOjlF--