>> after weeks of waiting for my serial cable components (the soldering 
>> iron powered always powered on to get to work ASAP ;) i gave up.
>
> Bad post service, or bad company?

bad company. very bad... :(

>> now, i'm a bit confused what to do to get/stay connected when the 
>> booting kernel fails (see [1])...
>
> Not sure about that. I've been looking all over for documentation for 
> MCHK traps since I've been seeing them about once a month (not often 
> enough to figure out what to do about it).
>
>> i guess that i can do this by tweaking the kernel config (see [2]), i 
>> do not need to set OF to output on the serial port [3]...?
>
> It's probably easier and better to just set things in OF; you can do a 
> shutdown -h now and get into OF (usually) if you want to make changes 
> via the serial console, but if you don't change it, it's back to the 
> keyboard / monitor.

yes, that's true; if it'd be remote, then this would be very useful ;)

>> if so, the manual says that the Griffin Stealth uses the scca device 
>> -- how do i configure this in the kernel configuration?
>>
>> is this sufficient?
>>
>>  #options 	DDB			# in-kernel debugger
>>  #options 	DDB_HISTORY_SIZE=100	# enable history editing
>>
>> and uncomment (or add) the following three lines:
>>
>>  options 	KGDB		# remote debugger
>>  options 	"KGDB_DEVNAME=\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
>>  makeoptions	DEBUG="-g"	# compile full symbol table
>>
>> is wonder because the remote debuggers' device name is 'com', and i 
>> don't know whether 0x3f8 fits in.
>
> 0x3f8 definitely wouldn't fit. I've never tried KGDB (not sure if it 
> works), but the regular debugger works fine from a Stealth serial 
> port. The only addition to options DDB you should add would be:
>
> options         ZS_CONSOLE_ABORT# allow break to get into DDB on serial

so, just one question left: the kernel 'recognizes' the Stealth as the 
default serial port for accessing DDB on the machine?

>
> Good luck!
>
> John

thanks,

-- 
Timo Schoeler | http://macfinity.net/~tis
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