From owner-freebsd-current@FreeBSD.ORG Sun Jul 8 16:59:26 2012 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 72D3E1065707; Sun, 8 Jul 2012 16:59:26 +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 DF6398FC19; Sun, 8 Jul 2012 16:59:25 +0000 (UTC) Received: from skuns.kiev.zoral.com.ua (localhost [127.0.0.1]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id q68GxYKl016681; Sun, 8 Jul 2012 19:59:34 +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 (8.14.5/8.14.5) with ESMTP id q68GxMqA084244; Sun, 8 Jul 2012 19:59:22 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.5/8.14.5/Submit) id q68GxMpx084243; Sun, 8 Jul 2012 19:59:22 +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: Sun, 8 Jul 2012 19:59:22 +0300 From: Konstantin Belousov To: Michael Butler Message-ID: <20120708165922.GE2338@deviant.kiev.zoral.com.ua> References: <4FF98128.6050607@protected-networks.net> <20120708133455.GX2338@deviant.kiev.zoral.com.ua> <4FF98F21.9060003@protected-networks.net> <20120708143113.GZ2338@deviant.kiev.zoral.com.ua> <4FF9A4A8.5050903@protected-networks.net> <4FF9BC03.1040008@protected-networks.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XLR3b0NScy54cC0V" Content-Disposition: inline In-Reply-To: <4FF9BC03.1040008@protected-networks.net> 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=-4.0 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 Cc: alc@freebsd.org, current@freebsd.org Subject: Re: sleeping thread panic? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Jul 2012 16:59:26 -0000 --XLR3b0NScy54cC0V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jul 08, 2012 at 12:57:39PM -0400, Michael Butler wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > On 07/08/12 11:18, Michael Butler wrote: > > On 07/08/12 10:31, Konstantin Belousov wrote: > >> Catch it next time ? This should be quite reproducable, if real. > >=20 > >> Actually, try this. > >=20 > >> diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c > >> index 9485fdd..de33afc 100644 > >> --- a/sys/vm/vm_pageout.c > >> +++ b/sys/vm/vm_pageout.c > >> @@ -1030,7 +1030,6 @@ rescan0: > >> ++pageout_lock_miss; > >> if (object->flags & OBJ_MIGHTBEDIRTY) > >> vnodes_skipped++; > >> - vm_page_lock_queues(); > >> goto unlock_and_continue; >=20 > [ .. snip .. ] >=20 > > Just waiting for the second of two attached RAID arrays to finish > > rebuilding and I'll give this a shot - thanks! >=20 > I repeated the dumps from last night over NFS with this patch installed > and no more panics :-) But, are panics reproducable without the patch ? --XLR3b0NScy54cC0V Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEUEARECAAYFAk/5vGkACgkQC3+MBN1Mb4i7VwCfX2z+Vj4cewoGE2kQMqp3NFFu hcYAmI/pIY4LahrbteG1hbhae90F8ko= =SUYd -----END PGP SIGNATURE----- --XLR3b0NScy54cC0V--