Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 16 May 2002 12:27:12 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        "Marc G. Fournier" <scrappy@hub.org>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: Fatal trap 12: page fault while in kernel mode
Message-ID:  <20020516122643.H52717-100000@resnet.uoregon.edu>
In-Reply-To: <20020516131015.F6260-100000@mail1.hub.org>

next in thread | previous in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020516122643.H52717-100000>