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Re: dual CPU system hangs


If you're using a G4 tower (which seems to be the case, since it's a dual proc 
machine), you'd be better served by a product called "Stealth Serial Port" (or 
something like that).

It turns your modem port into a serial port.

It's discontinued for a long time, but maybe you can get one on eBay.

That's what I use on my blue and white G3 so I have a serial console. The best 
part is that you'd only need to set the input and output devices through 
OpenFirmware and be all set! It's simple as that!


Enviado via iPhone

Em 19/07/2013, às 17:17, Christian Groessler <chris%groessler.org@localhost> 

> On 07/19/13 20:53, Christos Zoulas wrote:
>> In article <51E98526.4000702%groessler.org@localhost>,
>> Christian Groessler  <chris%groessler.org@localhost> wrote:
>>> On 07/19/13 19:27, Christos Zoulas wrote:
>>>> In article <51E9498A.9070305%groessler.org@localhost>,
>>>> Christian Groessler  <chris%groessler.org@localhost> wrote:
>>>>> On 07/17/13 17:08, Christos Zoulas wrote:
>>>>>> In article <51E66514.5080600%groessler.org@localhost>,
>>>>>> Christian Groessler  <chris%groessler.org@localhost> wrote:
>>>>>>> Is there a way to enter DDB with an USB keyboard? In the FAQ I only
>>>>>>> found a way with an ADB keyboard (Command-Option-Power)?
>>>> Looks like you are running out of memory. Can you print stack traces
>>>> from ddb of the two processes that are stuck in xchicv (cross-call).
>>> This brings us back to my original question (see above) :-)
>> Well, ddb from usb is not really working ATM for any platform. You definitely
>> can't recover once you enter it (because of locking issues), and sometimes
>> on my amd64 entering it produces an unresponsive keyboard. So I would say no.
> Ok, but there is a way to get into ddb? How did you do it on your amd64?
> I don't need to recover and if I can manage to get the stack traces it
> would be ok, otherwise...
>> The other solution would be a serial console I guess.
> ... the machine only has a phone (modem) socket on the outside. Don't know
> if I could connect a RS232 cable somehow in the inside.
> A serial PCI card would be handy, I have one, but I think it's broken.
> regards,
> chris

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