From owner-freebsd-stable@FreeBSD.ORG Mon Apr 23 11:39:20 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9271316A404 for ; Mon, 23 Apr 2007 11:39:20 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from relay02.kiev.sovam.com (relay02.kiev.sovam.com [62.64.120.197]) by mx1.freebsd.org (Postfix) with ESMTP id 38B9B13C43E for ; Mon, 23 Apr 2007 11:39:20 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from [212.82.216.227] (helo=fw.zoral.com.ua) by relay02.kiev.sovam.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.60) (envelope-from ) id 1Hfwt2-0006Zq-QH for freebsd-stable@freebsd.org; Mon, 23 Apr 2007 14:39:19 +0300 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by fw.zoral.com.ua (8.13.4/8.13.4) with ESMTP id l3NBdCqU026766 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 23 Apr 2007 14:39:13 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.1/8.14.1) with ESMTP id l3NBdCN1022646; Mon, 23 Apr 2007 14:39:12 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.1/8.14.1/Submit) id l3NBdCXu022645; Mon, 23 Apr 2007 14:39:12 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 23 Apr 2007 14:39:12 +0300 From: Kostik Belousov To: Adrian Wontroba , freebsd-stable@freebsd.org Message-ID: <20070423113912.GE2052@deviant.kiev.zoral.com.ua> References: <20070313140848.GA89182@steerpike.hanley.stade.co.uk> <20070423025631.GA33256@steerpike.hanley.stade.co.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="qGV0fN9tzfkG3CxV" Content-Disposition: inline In-Reply-To: <20070423025631.GA33256@steerpike.hanley.stade.co.uk> User-Agent: Mutt/1.4.2.2i X-Virus-Scanned: ClamAV version 0.88.7, clamav-milter version 0.88.7 on fw.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-0.1 required=5.0 tests=ALL_TRUSTED,SPF_NEUTRAL autolearn=failed version=3.1.8 X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on fw.zoral.com.ua X-Scanner-Signature: 8fcfa5a562f326ba64a474cd1db6e25e X-DrWeb-checked: yes X-SpamTest-Envelope-From: kostikbel@gmail.com X-SpamTest-Group-ID: 00000000 X-SpamTest-Info: Profiles 972 [Apr 23 2007] X-SpamTest-Info: helo_type=3 X-SpamTest-Info: {received from trusted relay: not dialup} X-SpamTest-Method: none X-SpamTest-Method: Local Lists X-SpamTest-Rate: 0 X-SpamTest-Status: Not detected X-SpamTest-Status-Extended: not_detected X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0255], KAS30/Release Cc: Subject: Re: 6.2-STABLE deadlock? 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: Mon, 23 Apr 2007 11:39:20 -0000 --qGV0fN9tzfkG3CxV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 23, 2007 at 03:56:32AM +0100, Adrian Wontroba wrote: > On Tue, Mar 13, 2007 at 02:08:48PM +0000, Adrian Wontroba wrote: > > At work, amoungst my stable of old computers running FreeBSD, I have a > > Fujitsu M800 - a 4 Zeon SMP processor with 4 GB of memory. This > > primarily runs Nagios and a small and lightly used MySQL database, along > > with a few inbound FTP transfers per minute. It has a Mylex card based > > disc subsystem, ruling out crash dumps. > >=20 > > At some point during 5.5-STABLE this machine started to occasionally ha= ng ... >=20 > Another 6-STABLE (cvsupped on 27/03/07) example, with diagnostics taken > rather sooner after the hang. Processes with wmesg=3Dufs feature often in > the ps output. >=20 > http://www.stade.co.uk/crash1/ I would suspect the mlx controller. There is several processes (for instanc= e, 988, 50918) waiting for completion of block read, and processes in the "ufs" states are the result of the lock cascade, IMHO. --qGV0fN9tzfkG3CxV Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFGLJrfC3+MBN1Mb4gRAlcwAJ9EZqXTjnG+rLDT3sL+cwCBOu7U5wCgjDiR BrFP7skHeMsblBTPmWz0F7Q= =mlER -----END PGP SIGNATURE----- --qGV0fN9tzfkG3CxV--