On Mon, May 17, 2021 at 05:21:16PM -0400, Allan Streib wrote: > Predrag Punosevac <punoseva...@gmail.com> writes: > > > predrag@oko$ scanimage -L > > > > No scanners were identified. If you were expecting something different, > > check that the scanner is plugged in, turned on and detected by the > > sane-find-scanner tool (if appropriate). Please read the documentation > > which came with this software (README, FAQ, manpages). > > Had the same problem today. sane-find-scanner returned... > > found USB scanner (vendor=0x04a9 [Canon], product=0x2206 [CanoScan], > chip=LM9832/3) at libusb:002:002 > > ...but scanimage -L found no scanners. This scanner uses the > sane-plustek backend, so I added my user to the _saned group, and I had > changed the ownership on (in my case) /dev/ugen0.* and /dev/usb2 per the > sane-backends pkg-readme. Something else was wrong. > > Running the the scanimage program under ktrace revealed: > > 98418 scanimage NAMI "/var/spool/lock/LCK..libusb:002:002" > 98418 scanimage RET open -1 errno 13 Permission denied > > Looking at /ver/spool/lock, it appears that this lockfile should be > created in the sane/ subdirectory instead? > > $ ls -l /var/spool/lock/ > total 4 > drwxrwxr-x 2 root _saned 512 May 17 16:12 sane > > I don't see anything in /etc/sane.d/plustek.conf that implies that I can > change the lockfile location, so not sure how to correct this?
That comes from libusb, not sane itself I think. -- Antoine