From owner-freebsd-current  Sat Aug 19  1: 6:24 2000
Delivered-To: freebsd-current@freebsd.org
Received: from critter.freebsd.dk (beachchick.freebsd.dk [212.242.32.208])
	by hub.freebsd.org (Postfix) with ESMTP id D698937B423
	for <current@FreeBSD.ORG>; Sat, 19 Aug 2000 01:06:20 -0700 (PDT)
Received: from critter (localhost [127.0.0.1])
	by critter.freebsd.dk (8.9.3/8.9.3) with ESMTP id KAA85508;
	Sat, 19 Aug 2000 10:06:18 +0200 (CEST)
	(envelope-from phk@critter.freebsd.dk)
To: Robert Drehmel <robd@gmx.net>
Cc: current@FreeBSD.ORG
Subject: Re: PATCH: devfs mkIII test & review please. 
In-Reply-To: Your message of "Sat, 19 Aug 2000 05:53:33 +0200."
             <399E04BD.3AEF6B31@gmx.net> 
Date: Sat, 19 Aug 2000 10:06:18 +0200
Message-ID: <85506.966672378@critter>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG


Please configure DDB and INVARIANTS in your kernel when you 
use this patch, and send me output from the "trace" command
in DDB when it panics.

Poul-Henning

In message <399E04BD.3AEF6B31@gmx.net>, Robert Drehmel writes:
>This is a multi-part message in MIME format.
>--------------CD4992067B057DE3DC660AE0
>Content-Type: text/plain; charset=us-ascii
>Content-Transfer-Encoding: 7bit
>
>In <84513.966631292@critter>, Poul-Henning Kamp <phk@freebsd.org>
>wrote:
>
>> Please look at, test and review:
>> 
>>         http://phk.freebsd.dk/patch/devfsIII.patch
>[...]
>
>When booting the kernel built from a sys tree patched with
>the above patch, i get the following: (dmesg.out is attached)
>
>"""
>Mounting root from ufs:/dev/ad0s1a
>devfs_mount(mp = 0xc0b2be00)
>devfs_mount: root vp = 0xc6f66b00
>devfs_statfs(mp = 0xc0b2be00)
>devfs_mount: at /dev
>cloned ad0s1b -> 0xc0b31b80
>
>
>Fatal trap 12: page fault while in kernel mode
>fault virtual address   = 0xe8
>fault code              = supervisor write, page not present
>instruction pointer     = 0x8:0xc024176c
>stack pointer           = 0x10:0xc7560e3c
>frame pointer           = 0x10:0xc7560e54
>code segment            = base 0x0, limit 0xfffff, type 0x1b
>                        = DPL 0, pres 1, def32 1, gran 1
>processor eflags        = interrupt enabled, resume, IOPL = 0
>current process         = 16 (swapon)
>interrupt mask          = none
>trap number             = 12
>panic: page fault
>"""

--
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD coreteam member | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message