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Date:      Sun, 28 Oct 2001 09:01:39 -0700 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Jim Durham <durham@w2xo.pgh.pa.us>
Cc:        freebsd-mobile@freebsd.org
Subject:   RE: Inspiron crashes with 4.4-RELEASE
Message-ID:  <XFMail.011028090139.jhb@FreeBSD.org>
In-Reply-To: <Pine.BSF.4.21.0110280850470.13518-100000@w2xo.pgh.pa.us>

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On 28-Oct-01 Jim Durham wrote:
> After running 4.3 RELEASE beautifully for about 6 months, my
> Dell Inspiron 4000 won't run after installing 4.4-RELEASE.
> 
> The system  panics and reboots thusly:
> 
> ukphy0: <Generic IEEE 802.3u media interface> on miibus0
> ukphy0: no media present
> (following in "dim" text)
> ootOct 28 08:49:42 jimslaptop pccardd[123]: ed1 D-Link (DFE-650) inserted
> 
> (back to bright text)
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x8
> fault code            = supervisor read, page not present
> instruction pointer   = 0x8:0xc03a38a0
> stack pointer         = 0x10:0xcc25fb48
> frame pointer         = 0x10:0xcc25fb54
> code segment          = base 0x0, limit 0xfffff, type 0x1b
>                       = DPL 0, pres 1, def32 1, gran1
> processor eflags      = interrupt enables, resume, IOPL = 0
> current process               = 322 (ifconfig)
> interrupt mask                = net tty
> trap number           = 12
> panic: page fault
> 
> syncing disks.. 22 22
> done
> Uptime: 3m40s
> Automatic reboot in 15 seconds - press a key on the console to abort
> 
> etc, etc
> 
> Looks like it is concerned with ifconfig'ing the D-LINK DFE-650 card.
> This is done with dhcp.
> 
> 
> I have also filed a bug report.
> 
> 
> I didn't see this in the archives or open bug listings.

Please compile ddb into your kernel and get a stack trace.  It is a simple NULL
pointer dereference that can probably be fixed easily if enough info is
provided.

-- 

John Baldwin <jhb@FreeBSD.org> -- 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/

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