From owner-freebsd-stable@FreeBSD.ORG Wed Nov 12 19:47:44 2008 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 656961065672 for ; Wed, 12 Nov 2008 19:47:44 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.terabit.net.ua (mail.terabit.net.ua [195.137.202.147]) by mx1.freebsd.org (Postfix) with ESMTP id 081D38FC12 for ; Wed, 12 Nov 2008 19:47:43 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from skuns.zoral.com.ua ([91.193.166.194] helo=mail.zoral.com.ua) by mail.terabit.net.ua with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63 (FreeBSD)) (envelope-from ) id 1L0Lgh-0001je-J8; Wed, 12 Nov 2008 21:47:39 +0200 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id mACJla0b045101 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 12 Nov 2008 21:47:36 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id mACJlaMR092673; Wed, 12 Nov 2008 21:47:36 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id mACJlZHK092672; Wed, 12 Nov 2008 21:47:35 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Wed, 12 Nov 2008 21:47:35 +0200 From: Kostik Belousov To: Tim Bishop Message-ID: <20081112194735.GK47073@deviant.kiev.zoral.com.ua> References: <20081112175826.GD26195@carrick.bishnet.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cEobB2knsyc5ebfU" Content-Disposition: inline In-Reply-To: <20081112175826.GD26195@carrick.bishnet.net> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.93.3, clamav-milter version 0.93.3 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua X-Virus-Scanned: mail.terabit.net.ua 1L0Lgh-0001je-J8 b03a9d209838f59fcaffad7869b70a85 X-Terabit: YES Cc: tim@bishnet.net, freebsd-stable@freebsd.org Subject: Re: System deadlock when using mksnap_ffs 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, 12 Nov 2008 19:47:44 -0000 --cEobB2knsyc5ebfU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 12, 2008 at 05:58:26PM +0000, Tim Bishop wrote: > I've been playing around with snapshots lately but I've got a problem on > one of my servers running 7-STABLE amd64: >=20 > FreeBSD paladin 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #8: Mon Nov 10 20:4= 9:51 GMT 2008 tdb@paladin:/usr/obj/usr/src/sys/PALADIN amd64 >=20 > I run the mksnap_ffs command to take the snapshot and some time later > the system completely freezes up: >=20 > paladin# cd /u2/.snap/ > paladin# mksnap_ffs /u2 test.1 >=20 > It only happens on this one filesystem, though, which might be to do > with its size. It's not over the 2TB marker, but it's pretty close. It's > also backed by a hardware RAID system, although a smaller filesystem on > the same RAID has no issues. >=20 > Filesystem 1K-blocks Used Avail Capacity Mounted on > /dev/da0s1a 2078881084 921821396 990749202 48% /u2 >=20 > To clarify "completely freezes up": unresponsive to all services over > the network, except ping. On the console I can switch between the ttys, > but none of them respond. The only way out is to hit the reset button. >=20 > Any advice? I'm happy to help debug this further to get to the bottom of > it. You need to provide information described in the http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kernel= debug.html and especially http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kernel= debug-deadlocks.html --cEobB2knsyc5ebfU Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkkbMtcACgkQC3+MBN1Mb4hFIwCfU83Ua1RUyIADKc0JSPVUjTSc m2EAoNY8eRCXqdew+m5Ir7Adhu/K85Vs =1MY2 -----END PGP SIGNATURE----- --cEobB2knsyc5ebfU--