On Mon 11 Sep 2017 at 19:23:09 +0200, MENGUAL Jean-Philippe wrote: > Two scanners: 1=Epson; 2=canon. 1 works fine, as root and as user. Canon > works as root but not as user, scanimage and sane-find-scanner do not > find it.
Do we assume your system is a stretch one? Please post the model names of the scanners. > While /dev/bus/usb/001/0XX is owned by root:root,, but as well by the > scanner group (where my user is), it is not the case with Canon, the > device is owned only by root:root. On jessie and stretch a user is not required to be in the scanner group. Post the output of 'ls -l /dev/bus/usb/*/*' for both scanners. > If I do setfacl -mgroup:scanner:rw- the scanner works as regular user. This should be unnecessary. > My questions: > > 1. Why permissions are set properly for Epson and not Canon? Let's see if we can find out. > 2. How can I create a Udev rule to fix itN > > 3. Should I reportbug to the sane package? > > Thanks. If I should write to another list such as debian-sane or > whatever, tell me. Hopefully, doing any of these will become superfluous. There is a wiki page dealing with scanners. -- Brian.
