From owner-freebsd-current@FreeBSD.ORG Thu Dec 30 02:29:08 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C701316A4CE for ; Thu, 30 Dec 2004 02:29:08 +0000 (GMT) Received: from ms-dienst.rz.rwth-aachen.de (ms-2.rz.RWTH-Aachen.DE [134.130.3.131]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7783B43D48 for ; Thu, 30 Dec 2004 02:29:08 +0000 (GMT) (envelope-from chris@unixpages.org) Received: from r220-1 (r220-1.rz.RWTH-Aachen.DE [134.130.3.31]) by ms-dienst.rz.rwth-aachen.de (iPlanet Messaging Server 5.2 HotFix 1.12 (built Feb 13 2003)) with ESMTP id <0I9I00CI0K8JQQ@ms-dienst.rz.rwth-aachen.de> for current@freebsd.org; Thu, 30 Dec 2004 03:29:07 +0100 (MET) Received: from relay.rwth-aachen.de ([134.130.3.1]) by r220-1 (MailMonitor for SMTP v1.2.2 ) ; Thu, 30 Dec 2004 03:29:06 +0100 (MET) Received: from haakonia.hitnet.rwth-aachen.de (mulzirak.hitnet.RWTH-Aachen.DE [137.226.181.149])iBU2T6kZ011953 for ; Thu, 30 Dec 2004 03:29:06 +0100 (MET) Received: from gondor.middleearth (gondor.middleearth [192.168.1.42]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))(Postfix) with ESMTP id 63C1F2842E for ; Thu, 30 Dec 2004 03:29:01 +0100 (CET) Received: by gondor.middleearth (Postfix, from userid 1001) id 3A65622859; Thu, 30 Dec 2004 03:29:01 +0100 (CET) Date: Thu, 30 Dec 2004 03:29:01 +0100 From: Christian Brueffer To: current@freebsd.org Message-id: <20041230022900.GF759@unixpages.org> MIME-version: 1.0 Content-type: multipart/signed; boundary="Q6STzHxy03qt/hK9"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-disposition: inline User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 6.0-CURRENT X-PGP-Key: http://people.freebsd.org/~brueffer/brueffer.key.asc X-PGP-Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D Subject: Fatal trap 12: page fault while in kernel mode X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Thu, 30 Dec 2004 02:29:09 -0000 --Q6STzHxy03qt/hK9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, with a kernel build from sources from Dec 30, approximately 00:30:00 UTC, I'm getting the following reproducible trap during startup: Memory modified after free 0xc1c06600(508) val=3D1ff01ff @ 0xc1c06600 Fatal trap 12: page fault while in kernel mode fault virtual address =3D 0x1ff021f fault code =3D supervisor read, page not present instruction pointer =3D 0x8:0xc0706823 stack pointer =3D 0x10:0xe53cf730 frame pointer =3D 0x10:0xe53cf750 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, def32 1, gran 1 processor eflags =3D interrupts enabled, resume, IOPL =3D 0 current process =3D 61 (rcorder) [thread pid 61 tid 100051 ] Stopped at mtrash_ctor+0x63: movl 0x20(%eax),%edx db> tr Tracing pid 61 tid 100051 td 0xc1ab4170 mtrash_ctor(c1c06600,200,0,101,c07dbf04) at mtrash_ctor+0x63 uma_zalloc_arg(c10456c0,0,101,c1046be0,c07b77c6) at uma_zalloc_arg+0x484 malloc(168,c07ee200,101,b2,0) at malloc+0x84 ufsdirhash_build(c1c4b7a8,c0818348,c08386e0,0,0) at ufsdirhash_build+0x376 ufs_lookup(e53cf944,e53cfbec,e53cfc00,c057aa65,c1ab4170) at ufs_lookup+0x129 vfs_cache_lookup(e53cf9c0,20002,c1ab4170,c07aaca7,e53cfbec) at vfs_cache_lo= okup+0x278 lookup(e53cfbd8,0,c07aa52c,a7,c0838700) at lookup+0x274 namei(a53cfbd8,1,c07ab4bd,78,c079f15a) at namei+0x27d vn_open_cred(e53cfbd8,e53cfcd8,1a4,c1978d80,3) at vn_open_cred+0x192 vn_open(e53cfbd8,e53cfcd8,1a4,3,0) at vn_open+0x33 kern_open(c1ab4170,bfbfe6d3,0,1,1b6) at kern_open+0xf9 open(c1ab4170,e53cfd14,c,c1ab4170,3) at open+0x2e syscall(2f,2f,2f,bfbfe63c,4) at syscall+0x137 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (5, FreeBSD ELF32, open), eip =3D 0x80573a7, esp =3D 0xbfbfe2cc= m, ebp =3D 0xbfbfe2f8 --- db> This doesn't happen with a kernel from Dec 23. - Christian --=20 Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D --Q6STzHxy03qt/hK9 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFB02fsbHYXjKDtmC0RAkHsAKD+f2KBnHuXW6Zb+PwaMZ1iTKaPTQCbBt10 H4hhpRR9K86c9Eu899vvnKI= =A7t/ -----END PGP SIGNATURE----- --Q6STzHxy03qt/hK9--