Excellent job on the firewire support!
Julian Elischer
julian at elischer.org
Tue Jul 20 18:04:10 PDT 2004
Greg 'groggy' Lehey wrote:
>On Tuesday, 20 July 2004 at 11:41:52 +0900, Hidetoshi Shimokawa wrote:
>
>
>>(sorry for resending)
>>
>>At Sun, 18 Jul 2004 21:04:53 +0100,
>>Doug Rabson wrote:
>>
>>
>>>>2) Is dcons usable after a panic (ie, DDB or KDB_TRACE)? Or is it
>>>> only usable for remote-gdb?
>>>>
>>>>
>>>Dcons provides two full duplex streams - one for console and one for
>>>gdb. You can use DDB on the console just like normal.
>>>
>>>
>>It's designed for such panic/debugging situation.
>>Actually, it's rather inefficient for usual situation
>>but the speed of FireWire hide the problem ;-)
>>
>>
>
>I think that the most spectacular use of firewire is debugging a
>completely hung system. If you've already attached, the debugger can
>still access the memory of a system which isn't reacting *at all*.
>Obviously you can't continue execution, but just seeing what's in
>memory is a great advantage.
>
>On the other hand, it was my understanding that marcel's new kernel
>debugging framework broke firewire debugging. What's the current
>status there?
>
He helped "Mr Firewire" get it going again the next day...
>
>Greg
>--
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>
>
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