From owner-freebsd-stable@FreeBSD.ORG Tue Jun 7 21:08:48 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6334B16A41C for ; Tue, 7 Jun 2005 21:08:48 +0000 (GMT) (envelope-from gray@mistaken-identity.co.uk) Received: from magnum.mistaken-identity.co.uk (slayer-of.demon.co.uk [62.49.5.246]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9FA8943D55 for ; Tue, 7 Jun 2005 21:08:46 +0000 (GMT) (envelope-from gray@mistaken-identity.co.uk) MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1250" Content-Transfer-Encoding: quoted-printable Date: Tue, 7 Jun 2005 22:08:42 +0100 Message-ID: Content-class: urn:content-classes:message X-MS-Has-Attach: X-MimeOLE: Produced By Microsoft Exchange V6.5.6944.0 X-MS-TNEF-Correlator: Thread-Topic: 5.4 panic at lockmgr - update thread-index: AcVre+hEYogye5dpS6mWmuo8BWyCwgAKO3nw From: "Gray Lilley" To: "Kachun Lee" , Cc: freebsd-stable@freebsd.org Subject: RE: 5.4 panic at lockmgr - update 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, 07 Jun 2005 21:08:48 -0000 Did I read somewhere that you need PAE enabled for over 4GB of ram? I = could be horribly wrong, but my 0.02p worth :) -----Original Message----- From: owner-freebsd-stable@freebsd.org = [mailto:owner-freebsd-stable@freebsd.org] On Behalf Of Kachun Lee Sent: 07 June 2005 17:13 To: kris@obsecurity.org Cc: freebsd-stable@freebsd.org Subject: Re: 5.4 panic at lockmgr - update "Kris Kennaway" wrote in message = news:<20050521063233.GA51618@xor.obsecurity.org>... >On Fri, May 20, 2005 at 04:39:19PM -0700, Kachun Lee wrote: >> I upgraded a server from 4.10 to 5.4-rel and it paniced at soon as I = put >> some load on it... >> panic: lockmgr: thread 0xfffffffe, not exclusive lock holder = 0x76fe0300 >> unlocking >> The hardware is a Intel 7501 with a single = 3G Xeon 6G mem. I tried >> disable option MP and made no difference. Any = help or suggestion!? > Run 'show lockedvnods' and then 'trace ' for each pid listed. > Also, if you can explain how to reproduce this it would be greatly > = helpful. > > Kris Hi, I re-installed 5.4 on the server and below was the pid trace when it = panic'ed. I rebooted and panic'ed it again to be sure. Both time, it got = the same pid. It just panic'ed by itself when the network traffic = started to build up. I had top running, but I could not really finger = any one program that caused it. Thanks for looking into this! Regards -------------- panic: lockmgr: thread 0xfffffffe, not exclusive lock holder 0x76fbd180 = unlocking KDB: enter: panic [thread pid 100 tid 100111 ] Stopped at 0x6f33996f: nop db> show lockedvnods Locked vnodes 0x7741bd68: tag devfs, type VCHR, usecount 339, writecount 0, refcount = 9, flags (VV_OBJBUF), lock type devfs: EXCL (count 1) by thread = 0x76fbd180 (pid 100) dev ad0s1a db> trace 100 Tracing pid 100 tid 100111 td 0x76fbd180 kdb_enter(6f4a78f2) at 0x6f33996f panic(6f4a6524,fffffffe,6f4a650e,76fbd180,fffffffe) at 0x6f322e8b lockmgr(7741be14,6,7741bd68,0,bcd0ea1c) at 0x6f317aad vop_stdunlock(bcd0ea4c,bcd0ea28,6f2eaeef,bcd0ea4c,bcd0ea68) at = 0x6f36d69f vop_defaultop(bcd0ea4c,bcd0ea68,6f2eb47c,bcd0ea4c,1000) at 0x6f36d54f spec_vnoperate(bcd0ea4c,1000,bcd0ea48,77125700,bcd0eab4) at 0x6f2eaeef spec_write(bcd0ea94,bcd0eae0,6f444271,bcd0ea94,6f3ce895) at 0x6f2eb47c spec_vnoperate(bcd0ea94) at 0x6f2eaeef vnode_pager_generic_putpages(7741bd68,bcd0ebf0,1000,0,bcd0eb70) at = 0x6f444271 vop_stdputpages(bcd0eb28,bcd0eb14,6f2eaeef,bcd0eb28,bcd0eb54) at = 0x6f36ddea vop_defaultop(bcd0eb28,bcd0eb54,6f44400e,bcd0eb28,1000) at 0x6f36d54f spec_vnoperate(bcd0eb28) at 0x6f2eaeef vnode_pager_putpages(6f841318,bcd0ebf0,1,0,bcd0eb70) at 0x6f44400e vm_pageout_flush(bcd0ebf0,1,0,bcd0ebcc,6f332d3b) at 0x6f43bb23 vm_pageout_clean(70ad8944) at 0x6f43ba51 vm_pageout_scan(0) at 0x6f43c8b0 vm_pageout(0,bcd0ed48) at 0x6f43d5d6 fork_exit(6f43d2c4,0,bcd0ed48) at 0x6f30e158 fork_trampoline() at 0x6f46702c --- trap 0x1, eip =3D 0, esp =3D 0xbcd0ed7c, ebp =3D 0 --- _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to = "freebsd-stable-unsubscribe@freebsd.org" -- No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.323 / Virus Database: 267.6.4 - Release Date: 06/06/2005 =20 --=20 No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.323 / Virus Database: 267.6.4 - Release Date: 06/06/2005 =20