gdb/libkvm problem - can someone explain this?

Gary Jennejohn gary.jennejohn at
Thu Nov 5 09:12:32 UTC 2009

On Wed, 4 Nov 2009 15:06:17 -0800 (PST)
"Dorr H. Clark" <dclark at> 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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