Stefen, thanks for update. Unfortunately my tablet still doesn't work. I've tried with tablet connected before booting my computer and with plugging when computer is running. Full output of modinfo wacom: michal@michal-desktop:~$ modinfo wacom filename: /lib/modules/2.6.35-22-generic-pae/kernel/drivers/input/tablet/wacom.ko license: GPL description: USB Wacom tablet driver author: Vojtech Pavlik