From owner-freebsd-stable@FreeBSD.ORG Wed Mar 7 03:05:02 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 72E1E16A401 for ; Wed, 7 Mar 2007 03:05:02 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from relay01.kiev.sovam.com (relay01.kiev.sovam.com [62.64.120.200]) by mx1.freebsd.org (Postfix) with ESMTP id 1D3F013C478 for ; Wed, 7 Mar 2007 03:05:01 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from [212.82.216.227] (helo=fw.zoral.com.ua) by relay01.kiev.sovam.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.60) (envelope-from ) id 1HOmSS-000JPI-AK for freebsd-stable@freebsd.org; Wed, 07 Mar 2007 05:05:00 +0200 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 l2734ndK040773 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 7 Mar 2007 05:04:49 +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 (8.13.8/8.13.8) with ESMTP id l2734mvH006003; Wed, 7 Mar 2007 05:04:48 +0200 (EET) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.13.8/8.13.8/Submit) id l2734mdl006002; Wed, 7 Mar 2007 05:04:48 +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, 7 Mar 2007 05:04:48 +0200 From: Kostik Belousov To: Oleg Derevenetz Message-ID: <20070307030448.GQ10453@deviant.kiev.zoral.com.ua> References: <007d01c7605f$79fa60c0$3b215250@NOTEBOOK> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="K8zN2sh9fO5jmbe4" Content-Disposition: inline In-Reply-To: <007d01c7605f$79fa60c0$3b215250@NOTEBOOK> 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: 7b1a4900bea4ee3727a65c989d5962bc X-DrWeb-checked: yes X-SpamTest-Envelope-From: kostikbel@gmail.com X-SpamTest-Group-ID: 00000000 X-SpamTest-Info: Profiles 843 [Mar 06 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: freebsd-stable@freebsd.org Subject: Re: Processes get stuck in "ufs" state 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, 07 Mar 2007 03:05:02 -0000 --K8zN2sh9fO5jmbe4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 07, 2007 at 05:22:38AM +0300, Oleg Derevenetz wrote: > Hi ! >=20 > Sometimes (once a week approximately) I have a problem with the same=20 > symptoms described here on SMP FreeBSD 6.2-STABLE with dual AMD Opteron(t= m)=20 > Processor 850: >=20 > http://www.freebsd.org/cgi/query-pr.cgi?pr=3D104406&cat=3D >=20 > Sometimes (apparently when CPU load suddenly goes up) all processes that= =20 > interacts with disk gets stuck in "ufs" state, but in my case=20 > SIGSTOP/SIGCONT seemingly does not help. See developer handbook, Deadlock Debugging chapter for instruction what information shall be gathered to debug the problem. --K8zN2sh9fO5jmbe4 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFF7ivPC3+MBN1Mb4gRAiTmAJ9u5s20pSytx9bAIOGyBKqZzp8pmwCeJG58 ZLE776S3XJsXCFZRjfX6SWo= =RPeG -----END PGP SIGNATURE----- --K8zN2sh9fO5jmbe4--