I experienced the same issue with 1.0.1. I still don't found the cause, but I build a wrapper for avrdude that at least tries to fix it when it happens: http://arduino.cc/forum/index.php/topic,118440.0.html
With 0023 I don't have issues.
I experienced the same issue with 1.0.1. I still don't found the cause, but I build a wrapper for avrdude that at least tries to fix it when it happens: http://arduino.cc/forum/index.php/topic,118440.0.html
With 0023 I don't have issues.