Re: [avrdude-dev] Intel Mac and AVR Dragon

[Evan Broder]

Joerg Wunsch wrote:
> As Evan Broder wrote:
>
>   
>> avrdude: Sent: . [1b] . [00] . [00] . [01] . [00] . [00] . [00] . [0e] .
>> [01] . [f3] . [97]
>> avrdude: jtagmkII_recv():
>>     
>
>   
>> And then it hangs. Oh - and the firmware is fresh, I tried updating
>> it yesterday to see if that made a difference.
>>     
>
> So really nothing comes back from USB here.
>
> Next step would be to ktrace everything, and see whether the problem
> is in libusb, or within the kernel driver.
>   
Ok. I ran the same command and let it sit for a minute or two just to be
sure. I posted the trace at
http://web.mit.edu/broder/Public/avrdude-ktrace.out
> The really strange thing though is that you say your AVRISP mkII works
> -- both use very similar code paths, including their use of libusb.
>
> Could that be a permission problem for the underlying device node?
>
>   
Um...maybe? How would I check that?

- Evan