Nick Hibma writes:
> In general it is well possible to single step anything in the
> kernel. You might find occasions where things stop working, and odd
> cases were things all of a sudden start working, but normally, apart
> from hardware things, most things are not time critical, or create
> problems through spin locks.
>
> You can single step at boot time, by setting the flags in the loader.
>
> set boot_ddb # jump to debugger
> set boot_gdb # use remote gdb for debugging by default
Also don't for get 'sysctl -w debug.enter_debugger=ddb' (or gdb)
to enter the debugger from the command line.
-Archie
___________________________________________________________________________
Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com
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