From owner-freebsd-stable Thu May 16 12:27:22 2002 Delivered-To: freebsd-stable@freebsd.org Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.122.47]) by hub.freebsd.org (Postfix) with ESMTP id BBABC37B40B for ; Thu, 16 May 2002 12:27:16 -0700 (PDT) Received: from localhost (dwhite@localhost) by resnet.uoregon.edu (8.11.3/8.10.1) with ESMTP id g4GJRCJ54868; Thu, 16 May 2002 12:27:13 -0700 (PDT) Date: Thu, 16 May 2002 12:27:12 -0700 (PDT) From: Doug White To: "Marc G. Fournier" Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Fatal trap 12: page fault while in kernel mode In-Reply-To: <20020516131015.F6260-100000@mail1.hub.org> Message-ID: <20020516122643.H52717-100000@resnet.uoregon.edu> X-All-Your-Base: are belong to us MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 16 May 2002, Marc G. Fournier wrote: > > In the course of my searches through Google, concerning this, I came > across a pointer to: > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/advanced.html > > which documents how to get more information based on the instruction > pointer ... in this case, an ip of 0x0 shows nothing, unless: > > 00000000 A globaldata > > means something? Yes, we call it "a null pointer dereference in kernel." You want to grab the crashdump and backtrace it to see where the bad data sprouted from. Doug White | FreeBSD: The Power to Serve dwhite@resnet.uoregon.edu | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message