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Date:      Thu, 5 Nov 2009 10:12:26 +0100
From:      Gary Jennejohn <gary.jennejohn@freenet.de>
To:        "Dorr H. Clark" <dclark@engr.scu.edu>
Cc:        freebsd-hackers@freebsd.org, freebsd-bugs@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: gdb/libkvm problem - can someone explain this?
Message-ID:  <20091105101226.5c6ef961@ernst.jennejohn.org>
In-Reply-To: <Pine.GSO.4.21.0911041504420.29358-100000@nova32.dc.engr.scu.edu>
References:  <Pine.GSO.4.21.0910271711580.17024-100000@nova46.dc.engr.scu.edu> <Pine.GSO.4.21.0911041504420.29358-100000@nova32.dc.engr.scu.edu>

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On Wed, 4 Nov 2009 15:06:17 -0800 (PST)
"Dorr H. Clark" <dclark@engr.scu.edu> wrote:

> 
> With FreeBSD 4.x, gdb -k is able to read and interpret
> the last 4 bytes of a page (4k) boundary.
> 
> In BSD 6.x/7.x/8.x using the kgdb program,
> if one issues the kgdb command:
>   (gdb) x /x 0xcbed8ffd
> An "invalid address" error is returned.  
> 

This is only 3 bytes - d, e, f.  Try it with 0xcbed8ffc.

BTW you got a little carried away with cross posting.

---
Gary Jennejohn



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