Dominique, you can try to to transfers files umount /proc/bus/usb http://osdir.com/ml/linux.bluez.user/2003-07/msg00129.html
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/268502 Greetings! -- Maximiliano Augusto Castañón Araneda Santiago, Chile Linux user # 394821
