[sane-devel] scanbd: Can't get the scbtn device list

[Wilhelm]

Hi Alex,

Am 28.12.2014 um 21:08 schrieb Alexander Tomisch:
> Hello,
> 
> I tried to install scanbd on a Arch Linux X64 but it did not recognize
> my Scanner - output of scanbd: "Can't get the scbtn device list".
> 
> It is not my first time with scanbd and on my previous installations it
> was already working with my scanner and the scanbuttond epson backend.

do you really need the scanbuttond backend? These backends are included
into scanbd "as is", because they aren't actively maintained.

> 
> I first installed scanbd from AUR (1.4.0) and then i tried the latest
> (1.4.1) from sourceforge - same problem.
> 
> 
> Scanning with sane is working, also "through" the running scanbd-service.

This indicates, that libsane is working correctly!

> 
> 
> Output of lsusb:
> 
> Bus 001 Device 049: ID 04b8:010c Seiko Epson Corp. GT-6700U [Perfection
> 640]

Unfortunately I don't have access to this type of scanner ...

> 
> 
> Output of scanbd, it runs as root for testing:
> 
> /usr/bin/scanbd -d7 -f -c /etc/scanbd/scanbd.conf
> ##########
> 
> /usr/bin/scanbd: foreground
> /usr/bin/scanbd: config-file: /etc/scanbd/scanbd.conf
> /usr/bin/scanbd: reading config file /etc/scanbd/scanbd.conf
> /usr/bin/scanbd: debug on: level: 7
> /usr/bin/scanbd: dropping privs to uid root
> /usr/bin/scanbd: dropping privs to gid scanner
> /usr/bin/scanbd: group scanner has member:
> /usr/bin/scanbd: alex
> /usr/bin/scanbd: drop privileges to gid: 96
> /usr/bin/scanbd: Running as effective gid 96
> /usr/bin/scanbd: drop privileges to uid: 0
> /usr/bin/scanbd: Running as effective uid 0
> /usr/bin/scanbd: dbus_init
> /usr/bin/scanbd: dbus match
> type='signal',interface='org.freedesktop.Hal.Manager'
> /usr/bin/scanbd: Loading /usr/lib/scanbd/scanbuttond/backends/meta.so
> /usr/bin/scanbd: meta-backend: init
> /usr/bin/scanbd: libusbi: initializing...
> /usr/bin/scanbd: Loading /usr/lib/scanbd/scanbuttond/backends/epson.so
> /usr/bin/scanbd: meta-backend: attaching backend: Epson USB
> /usr/bin/scanbd: epson-backend: init
> /usr/bin/scanbd: Scanning for local-only devices
> /usr/bin/scanbd: Can't get the scbtn device list
> /usr/bin/scanbd: device list null
> /usr/bin/scanbd: start_scbtn_threads
> /usr/bin/scanbd: start the threads (0)
> /usr/bin/scanbd: start dbus thread
> /usr/bin/scanbd: Not Primary Owner (-1)
> /usr/bin/scanbd: Name Error (Connection ":1.110" is not allowed to own
> the service "de.kmux.scanbd.server" due to security policies in the
> configuration file)
> /usr/bin/scanbd: udev init
> /usr/bin/scanbd: get udev monitor
> /usr/bin/scanbd: udev fd is non-blocking, now setting to blocking mode
> /usr/bin/scanbd: start udev thread
> /usr/bin/scanbd: udev thread started
> ^C/usr/bin/scanbd: sig_term/int_handler called with signal 2
> /usr/bin/scanbd: stop_scbtn_threads
> /usr/bin/scanbd: waiting ...
> /usr/bin/scanbd: stop dbus thread
> /usr/bin/scanbd: stop udev thread
> /usr/bin/scanbd: join udev thread
> /usr/bin/scanbd: cleanup device handler
> /usr/bin/scanbd: close udev monitor
> /usr/bin/scanbd: close udev
> /usr/bin/scanbd: exiting scanbd
> 
> ##########
> 
> Any hints?
> 
> Alex
> 


-- 
Wilhelm
w.meier at unix.net