On Sun, Aug 03, 2008 at 09:05:41PM +0200, Giuseppe Sacco wrote: > why /proc/bus/usb/003/002 is not owned by scanner group?
Because udev only populates /dev, and the udev rules say to make the group "scanner" for a scanner device. /proc is populated by the kernel. > finally, why lsusb does not list the scanner? > giuseppe at sgi:~$ sudo lsusb > Password: > Bus 003 Device 001: ID 1d6b:0001 > Bus 002 Device 001: ID 1d6b:0001 > Bus 001 Device 001: ID 1d6b:0001 This might be the source of your problem. Old kernel? Somebody else mentioned firmware. Mine shows: # lsusb Bus 002 Device 009: ID 04b8:0110 Seiko Epson Corp. Perfection 1650 Nick.
