From owner-freebsd-stable@FreeBSD.ORG Wed Dec 8 11:41:36 2004 Return-Path: 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 6981D16A4D0 for ; Wed, 8 Dec 2004 11:41:36 +0000 (GMT) Received: from mail.gmx.net (mail.gmx.de [213.165.64.20]) by mx1.FreeBSD.org (Postfix) with SMTP id 7B42E43D2F for ; Wed, 8 Dec 2004 11:41:35 +0000 (GMT) (envelope-from michaelnottebrock@gmx.net) Received: (qmail 8052 invoked by uid 65534); 8 Dec 2004 11:41:33 -0000 Received: from p3EE2699E.dip.t-dialin.net (EHLO lofi.dyndns.org) (62.226.105.158) by mail.gmx.net (mp014) with SMTP; 08 Dec 2004 12:41:33 +0100 X-Authenticated: #443188 Received: from kiste.my.domain (kiste.my.domain [192.168.8.4]) (authenticated bits=0) by lofi.dyndns.org (8.12.10/8.12.10) with ESMTP id iB8BfLLw012784 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NO); Wed, 8 Dec 2004 12:41:23 +0100 (CET) (envelope-from michaelnottebrock@gmx.net) From: Michael Nottebrock To: Robert Watson Date: Wed, 8 Dec 2004 12:41:15 +0100 User-Agent: KMail/1.7.1 References: In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1198374.RPUJOBUTbU"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200412081241.19968.michaelnottebrock@gmx.net> X-Virus-Scanned: by amavisd-new cc: freebsd-stable@freebsd.org Subject: Re: crashdumps not working X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Dec 2004 11:41:36 -0000 --nextPart1198374.RPUJOBUTbU Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday, 8. December 2004 12:20, Robert Watson wrote: > On Tue, 7 Dec 2004, Michael Nottebrock wrote: > > I recently enabled SW_WATCHDOG in my kernel, but when watchdog triggers > > a panic, no crashdump is taken although dumps are enabled. What could be > > causing this? > > If you drop to the debugger by using the debug.kdb.enter sysctl, and do > "call doadump", followed by a reset, does a dump get generated > successfully? I don't have kdb enabled in my kernel configuration at all... > I.e., are they completely broken on your system, or is this=20 > somehow a property of the particular hang you're seeing. See my other mail, a different (non-watchdog) panic didn't trigger a dump=20 either. I even had the panic message in dmesg: kernel trap 12 with interrupts disabled =46atal trap 12: page fault while in kernel mode fault virtual address =3D 0x14c fault code =3D supervisor write, page not present instruction pointer =3D 0x8:0xc0521397 stack pointer =3D 0x10:0xe9794b84 frame pointer =3D 0x10:0xe9794b90 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, def32 1, gran 1 processor eflags =3D resume, IOPL =3D 0 current process =3D 1281 (beep-media-player) trap number =3D 12 panic: page fault Syncing disks, vnodes remaining...4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0= 0=20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0= 0=20 0 (I enabled kern.sync_on_panic only very recently for my experimenting with= =20 watchdog, dumping didn't work without it either). =2D-=20 ,_, | Michael Nottebrock | lofi@freebsd.org (/^ ^\) | FreeBSD - The Power to Serve | http://www.freebsd.org \u/ | K Desktop Environment on FreeBSD | http://freebsd.kde.org --nextPart1198374.RPUJOBUTbU Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBBtuhfXhc68WspdLARAtCSAKCVobmKv2hB1fy2KC3s+LQ5Tt8RuwCfeOOK /WDizgIe9MHzpFnu7hU9tP4= =UmTw -----END PGP SIGNATURE----- --nextPart1198374.RPUJOBUTbU--