From owner-freebsd-fs@FreeBSD.ORG Thu Jul 12 08:58:42 2007 Return-Path: X-Original-To: fs@freebsd.org Delivered-To: freebsd-fs@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BAE8616A41F for ; Thu, 12 Jul 2007 08:58:42 +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 3CB4513C4E7 for ; Thu, 12 Jul 2007 08:58:42 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from [89.162.146.170] (helo=skuns.kiev.zoral.com.ua) by relay02.kiev.sovam.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1I8uG8-0004Ac-3F; Thu, 12 Jul 2007 11:42:51 +0300 Received: from deviant.kiev.zoral.com.ua (root@[10.1.1.148]) by skuns.kiev.zoral.com.ua (8.14.1/8.14.1) with ESMTP id l6C8geIc088958 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 12 Jul 2007 11:42:40 +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 l6C8geW5056191; Thu, 12 Jul 2007 11:42:40 +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 l6C8geCY056190; Thu, 12 Jul 2007 11:42:40 +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: Thu, 12 Jul 2007 11:42:40 +0300 From: Kostik Belousov To: Alfred Perlstein Message-ID: <20070712084240.GB2200@deviant.kiev.zoral.com.ua> References: <20070711202640.GV45894@elvis.mu.org> <20070711223720.C97304@fledge.watson.org> <20070711220508.GY45894@elvis.mu.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XPTkPaWipqgB+utH" Content-Disposition: inline In-Reply-To: <20070711220508.GY45894@elvis.mu.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.90.3, clamav-milter version 0.90.3 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=0.6 required=5.0 tests=ALL_TRUSTED, DNS_FROM_AHBL_RHSBL autolearn=no version=3.2.1 X-Spam-Checker-Version: SpamAssassin 3.2.1 (2007-05-02) on skuns.kiev.zoral.com.ua X-Scanner-Signature: e04e44772e0ad72f7751591e8aa1bd99 X-DrWeb-checked: yes X-SpamTest-Envelope-From: kostikbel@gmail.com X-SpamTest-Group-ID: 00000000 X-SpamTest-Header: Not Detected X-SpamTest-Info: Profiles 1209 [July 11 2007] X-SpamTest-Info: helo_type=3 X-SpamTest-Method: none 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: Robert Watson , current@freebsd.org, fs@freebsd.org Subject: Re: bgfsck hosed (lockups) in -current? 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: Thu, 12 Jul 2007 08:58:42 -0000 --XPTkPaWipqgB+utH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 11, 2007 at 03:05:08PM -0700, Alfred Perlstein wrote: > * Robert Watson [070711 14:37] wrote: > >=20 > > On Wed, 11 Jul 2007, Alfred Perlstein wrote: > >=20 > > >I have current as of last week. > > > > > >I noticed that if I needed a bgfsck on ufs when rebooting my system wo= uld=20 > > >lock up almost immediately. Everything would deadlock. > > > > > >If I rebooted single user and did a regular "fsck -y" then continued t= o=20 > > >boot, I'd be OK. > > > > > >Has anyone else experienced this? I'm going to update to the most rec= ent=20 > > >current and get more information (which wait channels etc) but wanted = to=20 > > >know if anyone knew about this. > > > > > >I recall seeing a LOT of fixes for various deadlocks in snapshots and= =20 > > >bgfsck going in lately, but nothing that looked to me as if it'd trigg= er a=20 > > >regression. > >=20 > > I'm not seeing this either -- have you tried running a manual fsck to s= ee=20 > > if it turns up anything deeply unsatisfying that could be causing bgfsc= k=20 > > some bother? >=20 > Of course, nothing comes up that's interesting. >=20 > I'll try to reproduce this and give better feedback in the next few > days. Please. Deadlock debugging chapter from dev handbook contains enumeration of the needed things. --XPTkPaWipqgB+utH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFGlel/C3+MBN1Mb4gRAt1vAKDBMQRWJB1T/YomwXl7VXo1Wj25mQCeLRB8 WksXrTP5X2bqmVVhv6k93uU= =kGEQ -----END PGP SIGNATURE----- --XPTkPaWipqgB+utH--