From owner-freebsd-current@FreeBSD.ORG  Sat Sep 11 22:19:43 2004
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Date: Sat, 11 Sep 2004 22:19:43 +0000
From: Kris Kennaway <kris@FreeBSD.org>
To: "raoul.megelas" <raoul.megelas@libertysurf.fr>
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Subject: Re: ltmdm panic
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On Sat, Sep 11, 2004 at 09:28:44PM +0200, raoul.megelas wrote:
> hi all,
> 
> the Lucent Technology winmodem, (ltmdm from the ports/comms),
>  included in the Dell Inspiron 8000
> panic when a ring incoming signal occurs.
> 
> The 6.0-current kernel is  dated from this afternoon, but
> I have seen that 20 days ago.

Did you remember to recompile the module when you updated your kernel?
You must do this or you'll get panics.

> here is the ddb screen:
> 
> SSkernel trap 12 with interrupts disabled
> page fault while in kernel mode
> fault virtual address 0x138
> fault cod"e supervisor read = page not present
> instruction pointer 0x8:0xc1b8d00d
> stack pointer 0x10:0xcbedfc84
> frame pointer = 0x10:0xcbedfc94
> code segment base 0x0 limit 0xfffff, type 0x1b
> 	= dpl 0 pres 1 def32 1, gran 1
> 
> processor eflags = resume IOPL=0
> current process = 18 (swi5 ttyltmdm++)
> thread 100000]
> stopped at siointr 1+0xbd instruction: cmpl $0,0x138(%edx)
> 
> Any idea would be welcome.

See the instructions on obtaining a debugging traceback, in the developer's handbook.

Kris

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