From owner-freebsd-current Mon Apr 16 20:11:34 2001 Delivered-To: freebsd-current@freebsd.org Received: from meow.osd.bsdi.com (meow.osd.bsdi.com [204.216.28.88]) by hub.freebsd.org (Postfix) with ESMTP id D664C37B440 for ; Mon, 16 Apr 2001 20:11:26 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: from laptop.baldwin.cx (john@jhb-laptop.osd.bsdi.com [204.216.28.241]) by meow.osd.bsdi.com (8.11.2/8.11.2) with ESMTP id f3H3B8G85214; Mon, 16 Apr 2001 20:11:08 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20010415172142.A27168@skriver.dk> Date: Mon, 16 Apr 2001 20:10:37 -0700 (PDT) From: John Baldwin To: Jesper Skriver Subject: RE: kernel panic in -current, ithread or newcard related ? Cc: current@FreeBSD.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 15-Apr-01 Jesper Skriver wrote: > About every other time I boot my IBM ThinkPad 600E I get this panic > (hand typed, as I don't have a second machine here to be able to use a > serial console). > > Fatal trap 12: page fault while in kernel mode > Fault virtual address = 0x28 It's a null pointer dereference. If you've compiled a debug kernel then do 'gdb -k /usr/obj/usr/src/sys/TAM2/kernel.debug' and then do 'l *csa_readio+0x17' to find the offending line. It's usually pretty easy to figure out then. -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message