Comment 11 for bug 724831

Interesting. This will turn on more information:

echo 1 | sudo tee /sys/module/hid/parameters/debug

(a zero will turn debug output off)

In addition, since it seems to be a parsing error, having the full description of the device would be useful. Please download this script, for instance like

wget http://lii-enac.fr/en/architecture/linux-input/report.py

And run, as root

python report.py > descriptors.txt

Attach the descriptors.txt file here. That should give the full picture.

Thanks!