From owner-freebsd-stable@FreeBSD.ORG Tue Jul 26 09:33:14 2011 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 8984C106566C; Tue, 26 Jul 2011 09:33:14 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.zoral.com.ua (mx0.zoral.com.ua [91.193.166.200]) by mx1.freebsd.org (Postfix) with ESMTP id E075F8FC17; Tue, 26 Jul 2011 09:33:13 +0000 (UTC) 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 p6Q9Wx2P010702 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 26 Jul 2011 12:32:59 +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 (8.14.4/8.14.4) with ESMTP id p6Q9Wxw7018446; Tue, 26 Jul 2011 12:32:59 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.4/8.14.4/Submit) id p6Q9WxhI018445; Tue, 26 Jul 2011 12:32:59 +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: Tue, 26 Jul 2011 12:32:59 +0300 From: Kostik Belousov To: Herve Boulouis Message-ID: <20110726093258.GF17489@deviant.kiev.zoral.com.ua> References: <20110725102107.GB17204@ra.aabs> <20110725085902.GM17489@deviant.kiev.zoral.com.ua> <20110726094913.GF17204@ra.aabs> <20110726090652.GE17489@deviant.kiev.zoral.com.ua> <20110726111752.GG17204@ra.aabs> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Gr7JUiY80ghPT8n7" Content-Disposition: inline In-Reply-To: <20110726111752.GG17204@ra.aabs> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.2 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-3.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DNS_FROM_OPENWHOIS autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua Cc: rmacklem@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Sleeping thread owns a nonsleepable lock panic (& lor) 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: Tue, 26 Jul 2011 09:33:14 -0000 --Gr7JUiY80ghPT8n7 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 26, 2011 at 01:17:52PM +0200, Herve Boulouis wrote: > Le 26/07/2011 12:06, Kostik Belousov a =E9crit: > > On Tue, Jul 26, 2011 at 11:49:13AM +0200, Herve Boulouis wrote: > > > Le 25/07/2011 11:59, Kostik Belousov a ?crit: > > >=20 > > > Ok the patched server crashed this morning strangely : all httpd proc= esses were stuck in nfs or vmopar > > > and were unkillable. Below is the full ps. > >=20 > > Please see the > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/ke= rneldebug-deadlocks.html > > for information required to debug the deadlocks. >=20 > the box was not stricly deadlocked since I was able to interact with it b= ut I suppose you want me to > break into debugger when the symptoms appears again and report all the co= mmands listed in the handbook > deadlock section ? Exactly. I think everything was hung that accessed an nfs mount point. =46rom the usermode, procstat -kk could catch some interesting information, but it is redundant if ddb output is captured. --Gr7JUiY80ghPT8n7 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk4uicoACgkQC3+MBN1Mb4i7RACgocU5dOEiHnWgt3fgv4Hym8Y2 q/oAoKZHSahU1cWu/smQ/ZyiargMeH3A =e+BT -----END PGP SIGNATURE----- --Gr7JUiY80ghPT8n7--