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DateWed, 03 Mar 2004 16:43:47 -0800
FromGeorge Anzinger <>
SubjectRe: kgdb support in vanilla 2.6.2
Andi Kleen wrote:
> On Tue, Mar 02, 2004 at 01:27:51PM -0800, Andrew Morton wrote:
> 
>>George Anzinger <george@mvista.com> wrote:
>>
>>> Often it is not clear just why we are in the stub, given that 
>>>we trap such things as kernel page faults, NMI watchdog, BUG macros and such.
>>
>>Yes, that can be confusing.  A little printk on the console prior to
>>entering the debugger would be nice.
> 
> 
> What I did for kdb and panic some time ago was to flash the keyboard
> lights. If you use a unique frequency (different from kdb 
> and from panic) it works quite nicely.

Assuming a key board and a clear (no spin locks) path to it.  Still it only says 
we are in kgdb, now why.


-- 
George Anzinger   george@mvista.com
High-res-timers:  http://sourceforge.net/projects/high-res-timers/
Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml

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