what worked for me was: rm -r /dev/.udev/failed /dev/.udev/names /dev/.udev/db
/etc/init.d/udev stop /etc/init.d/udev start i guess this problem was caused because the system was upgraded from a previous system, instead of clean installed. -- permission problems for sane devices https://bugs.launchpad.net/bugs/121082 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs