Andreas Beck a écrit :
yes, I think so too, in the manpage ive send here are three devices listed. http://netbsd.gw.com/cgi-bin/man-cgi?ss+4.i386+NetBSD-7.0.2
OK. I have found the mistake. ss0, nss0 _and_ enss0 are used by sane. With 660 permissions an these devices, xsane runs as expected and withtout root permissions.
Best regards, JB