From owner-freebsd-fs@FreeBSD.ORG Tue Feb 19 07:33:12 2013 Return-Path: Delivered-To: fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 23271B3D for ; Tue, 19 Feb 2013 07:33:12 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 8A7EC173 for ; Tue, 19 Feb 2013 07:33:11 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.6/8.14.6) with ESMTP id r1J7Wu4b048370; Tue, 19 Feb 2013 09:32:56 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.7.4 kib.kiev.ua r1J7Wu4b048370 Received: (from kostik@localhost) by tom.home (8.14.6/8.14.6/Submit) id r1J7Wuoi048369; Tue, 19 Feb 2013 09:32:56 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 19 Feb 2013 09:32:56 +0200 From: Konstantin Belousov To: Alfred Perlstein Subject: Re: Advisory lock crashes. Message-ID: <20130219073256.GV2598@kib.kiev.ua> References: <512324F2.4060707@ixsystems.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="sr8SBrQ3fbgntwtR" Content-Disposition: inline In-Reply-To: <512324F2.4060707@ixsystems.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: Xin Li , fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Feb 2013 07:33:12 -0000 --sr8SBrQ3fbgntwtR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 18, 2013 at 11:08:34PM -0800, Alfred Perlstein wrote: > Hello Konstantin & Doug, >=20 > We're getting a few crashes in what looks to be kern_lockf.c: >=20 > fault address here is 0x360 which appears to mean that the "sx" owner=20 > thread is NULL What is the version of FreeBSD ? What is the filesystem owning the file which was advlocked ? Show the line number for lf_advlockasync+0x5d7. No, I never saw nothing similar in last 3 years. >=20 > db> bt > Tracing pid 5099 tid 101614 td 0xfffffe005d54e8c0 > _sx_xlock_hard() at _sx_xlock_hard+0xb3 > lf_advlockasync() at lf_advlockasync+0x5d7 > lf_advlock() at lf_advlock+0x47 > vop_stdadvlock() at vop_stdadvlock+0xb3 > VOP_ADVLOCK_APV() at VOP_ADVLOCK_APV+0x4a > closef() at closef+0x352 > kern_close() at kern_close+0x172 > amd64_syscall() at amd64_syscall+0x58a > Xfast_syscall() at Xfast_syscall+0xf7 > --- syscall (6, FreeBSD ELF64, sys_close), rip =3D 0x8011651fc, rsp =3D 0= x7fffffbfdd58, rbp =3D 0x807c3d6c0 --- >=20 > (kgdb) list *(_sx_xlock_hard+0xb3) > 0xffffffff806242c3 is in _sx_xlock_hard=20 > (/usr/home/jpaetzel/9.0.6-RELEASE-p1/FreeBSD/src/sys/kern/kern_sx.c:514). > 509 x =3D sx->sx_lock; > 510 if ((sx->lock_object.lo_flags & SX_NOADAPTIVE)=20 > =3D=3D 0) { > 511 if ((x & SX_LOCK_SHARED) =3D=3D 0) { > 512 x =3D SX_OWNER(x); > 513 owner =3D (struct thread *)x; > 514 if (TD_IS_RUNNING(owner)) { > 515 if=20 > (LOCK_LOG_TEST(&sx->lock_object, 0)) > 516 CTR3(KTR_LOCK, > 517 "%s: spinning on %p= =20 > held by %p", > 518 __func__, sx, owner); >=20 >=20 > Another panic here, which we have less information is attached as an imag= e. >=20 > We're looking at using some INVARIANTS and WITNESS kernels, but was=20 > wondering if y'all had any other suggestions to use please? >=20 > thank you, > -Alfred --sr8SBrQ3fbgntwtR Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQIcBAEBAgAGBQJRIyqnAAoJEJDCuSvBvK1B0egP/A9aHJw0KZcC+gz05cmIDwyd 3A4I4+wCOdvBEJbJOU08sYJdbWrNPCuMzAaovTLQ8P7a/IO667p6/UHpK4UqtLhX 5F3euYJ8F7Rac+AQ321txEQAGN4dQaFcUezaekU7H6kX0CN5n0d0JJyd/GwMDNK6 764Y8pKm3AWBXTw2qVWKbXjE+FH5kdq9sxiGq8y6noCSXMJY5kbA1XrlQ5f3EvrP aHzs4uL42XBjIPVbFwyV7Z4KNUWN5RwSlqoQlHpbW9jJVaSpPge+LpMDihft4LED gR3fzsFh0Q0s+a9we1TGggnyQp8ukffqmYmES56I1gOEiu14z1cUGsBZyJYEjm5y DPmIc/MJhnmXTbSZgDw5EWas3keXt4AwPi+pcGaaRPlpyxZ6jPApxe4XGm3Q8060 eEkoKLvvvBRzPPwgy9zc2MRheN0RtipW+58ZHBmJAnFvLJOgGl/YiSFcGTJK1M2R X19kWAQfTVqkq1SpGTakfvED1Rg2lBwXNzsrWSqq28KcMYK1+PnvGaNptr+ApUXg +gHgr1FWw10ka3yzMPUz2CvDtFUnIMz1/VWoAl8+KMZqjvxUc04pH/N8M/mz7XnZ I/dpEmdD7Lctiw0+UNo9pbs1369St01DzFiGkbXnDOPJva5PNFGBkweth3ENnOZk p9UK4wA+oEqR0mBnJBz2 =pOEM -----END PGP SIGNATURE----- --sr8SBrQ3fbgntwtR--