I'm having an issue of plustek backend
(sane-backends-git20150807) failing to open the
device under a non-root account. Can't use
scanimage, can't use xsane. Scanning under root
works fine.
The account is added to `scanner` group. Sane
udev rules in /etc/udev/rules.d mention
`scanner` group.
However, strangely, when Canon LIDE 25 is
plugged in, the device node is created with
group owner `lp` and mode 664, however. Can't
find the reason. The account is in group `lp`, too.
Ultimately, when trying to do scanimage on
specific device, like
env SANE_DEBUG_DLL=255 SANE_DEBUG_PLUSTEK=255
scanimage -d plustek:/dev/bus/usb/001/006
right now, I'm getting this
...
[plustek] usbDev_open(auto,) - 0x157b040
[plustek] sanei_access_lock failed: 11
[plustek] open failed: -1
[dll] init: backend `plustek' is version 1.0.0
[plustek] sane_open - /dev/bus/usb/001/006
[plustek] attach (/dev/bus/usb/001/006,
0x7fff95e05960, 0x7fff95e058c8)
[plustek] Device configuration:
...
and subsequently this
...
[plustek] usbDev_open(/dev/bus/usb/001/006,) -
0x157b040
[plustek] No supported device found!
[plustek] open failed: -1
scanimage: open of device
plustek:/dev/bus/usb/001/006 failed: Error
during device I/O
...
Could anybody advise, please?
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