Could you please precise which version of Ubuntu you're using, and if you upgraded to this version or did a fresh install?
What is your version of wacom-tools? Could you also check if you have a file /etc/udev/rules.d/10-wacom.rules ? In Feisty, wacom-rules is 65-wacom.rules, and I think it's been there since Dapper (maybe not fresh install, but in the updates of wacom- tools) ** Changed in: wacom-tools (Ubuntu) Status: Unconfirmed => Needs Info -- udev error message at boot : invalid rule https://launchpad.net/bugs/71491 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs