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Date:      Sun, 25 Feb 1996 13:58:54 +0100 (MET)
From:      J Wunsch <j@uriah.heep.sax.de>
To:        erix@axis.fr (Eric Molinie)
Cc:        bugs@freebsd.org, erix@rome.axis.fr
Subject:   Re: installation problem 2.1.0
Message-ID:  <199602251258.NAA15454@uriah.heep.sax.de>
In-Reply-To: <9602241855.aa22869@rome.axis.fr> from "Eric Molinie" at Feb 24, 96 06:55:55 pm

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As Eric Molinie wrote:

> 	fatal trap12: page fault while in kernel mode
> 	fault virtual address = 0x7200744
> 	fault code = supervisor read, page not present
> 	instruction pointer = 0x8 : 0xf01a0ebb
> 	code segment = base 0x0, limit 0xfffff, type 0x1b
> 		     = DPL0, pres 1, def32 1, gran 1

> 	What do you think about that ?

That it wasn't from /kernel.GENERIC on stock 2.1R.  The instructions
around address 0xf01a0ebb in this kernel are:


0xf01a0eb2:        cmpl   $0x0,0x8c(%eax)
0xf01a0eb9:        jne    0xa0ed6
0xf01a0ebb:        addl   $0x58,%eax	<<-
0xf01a0ebe:        pushl  %eax

...and adding a value to a register ain't supposed to cause a page
fault.

Can you either send us the exact panic message for the GENERIC 2.1R
kernel (prefered, since i've got this kernel on my CD-ROM for
reference), or do:

nm /kernel | sort | more

and send us the lines around address 0xf01a0ebb.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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