[sane-devel] UMAX Astra Backend and scanbd

Wilhelm wilhelm.meier at fh-kl.de
Sun Nov 10 07:56:30 UTC 2013


Hi Uwe,

Am 10.11.2013 01:42, schrieb info at uss-online.de:
> Dear all,
> 
> does no one have experience with this type of Backend and scanbd?

did you experience any option value changes in the log as you press some
buttons?


> 
> Uwe
> 
> 
> 
> "info.info <http://info.info>" <info at uss-online.de> schrieb:
> 
>     Dear all,
> 
>     many thanks for the continues improvement and support of the sane 
>     team members to also let scanners work under linux.
> 
>     This is my first post to this list, so please give me corrective 
>     information on how to do it the proper way.
> 
>     After having read many articles on using the scanbd with standard 
>     sane backends, i would like to raise this topic here.
>     Actually i am not able to use the UMAX Backend with a UMAX ASTRA 
>     2200 and scanbd. I have already been in contact with Wilhelm 
>     concerning the scanbd daemon, but his analysis on the scanbd was 
>     positive from my system config, but out of scope for the button read 
>     out from the UMAX backend.
> 
>     The system is a Raspberry-Pi, actualized SW environment, added users 
>     as I would like to have them on the five RPi-s in my home, added 
>     sane plus UMAX backend and tested for local (and net) usage. All 
>     fine so far.
>     Now i added the scanbd with the required config, based on the git 
>     available sane backends and tried to get any relevant info to let 
>     scanbd handle the buttons.
>     Yes, i know that the scanner is a decade (or more old) but still a 
>     lot of them are in use and i would like to activate the document 
>     scanning in a "women acceptable Faktor".
>     The Raspberry-Pi is already running 24/7 due to his main jobs as 
>     openhab server and cups server activities. Should i mention, that i 
>     am not a SW developer?
> 
>     Please find here relevant information on the system config and 
>     installed modules also as the test results i got:
> 
>     Date:    20131017
> 
>     Scanner Buttons / Raspberry Pi / UMAX ASTRA 2200SU via USB
> 
>     Raspbian 15.10.2013, Kernel: Linux raspi-3 3.6.11+ #538 PREEMPT Fri 
>     Aug 30 20:42:08 BST 2013 armv6l GNU/Linux
> 
>     sane-backends: git repo:
>     scanimage (sane-backends) 1.0.25git; backend version 1.0.22
> 
>     scanimage -L:
> 
>     usb-bus:
>     ls -la /dev/bus/usb/001/
>     crw-rw-r-T+ 1 root root 189, 5 Oct 17 12:28 006
> 
> 
>     scanbd:
>     scanbd-code-181-trunk
>     compiled mit: USE_SANE=YES
> 
> 
>     +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>     directory /etc:
>     /etc/sane.d:
>     -rw-r--r--   1 root root  468 Oct 16 20:37 dll.conf
>     drwxr-xr-x   2 root root 4096 Oct 16 13:56 dll.d
>     -rw-r--r--   1 root root  594 Oct 17 10:25 net.conf
>     -rw-r--r--   1 root root 1073 Oct 17 10:25 saned.conf
>     -rw-r--r--   1 root root 3094 Sep 27  2012 umax.conf
> 
>     dll.conf:
>     # /etc/sane.d/dll.conf - Configuration file for the SANE dynamic 
>     backend loader
>     net
>     #umax
> 
>     saned.conf:
>     # saned.conf
>     # Configuration for the saned daemon
>     localhst
>     127.0.0.1 <http://127.0.0.1>
>     192.168.0.0/24 <http://192.168.0.0/24>
> 
>     net.conf:
>     connect_timeout = 5
>     localhost
>     127.0.0.1 <http://127.0.0.1>
>     192.168.0.0/24 <http://192.168.0.0/24>
> 
>     /etc/xinetd.d
>     -rw-r--r--   1 root root   798 Oct 13 03:05 chargen
>     -rw-r--r--   1 root root   660 Oct 13 03:05 daytime
>     -rw-r--r--   1 root root   549 Oct 13 03:05 discard
>     -rw-r--r--   1 root root   580 Oct 13 03:05 echo
>     -rw-r--r--   1 ud   users  334 Oct 16 20:42 sane-port
>     -rw-r--r--   1 root root   727 Oct 13 03:05 time
> 
>     sane-port:
>     service sane-port
>     {
>     disable         = no
>     socket_type     = stream
>     protocol        = tcp
>     port        = 6566
>     wait            = no
>     user            = saned
>     group           = scanner
>     server          = /usr/local/sbin/scanbd
>     server_args = scanbd -m -c /usr/local/etc/scanbd/scanbd.conf
>     }
> 
>     /etc/group:
>     scanner:x:113:saned,ud
>     saned:x:115:
>     +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 
>     +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>     directory /usr/local/etc/scanbd:
>     -rwxr-xr-x 1 root staff 1694 Oct 16 15:42 action.script
>     -rw-r--r-- 1 root root   468 Oct 16 20:37 dll.conf
>     -rwxr-xr-x 1 root staff 1112 Oct 16 15:42 example.script
>     -rw-r--r-- 1 root root   594 Oct 16 21:21 net.conf
>     -rw-r--r-- 1 root root  1073 Oct 16 21:22 saned.conf
>     -rwxr-xr-x 1 root staff 1202 Oct 16 15:42 scanadf.script
>     -rw-r--r-- 1 root staff 7687 Oct 16 21:31 scanbd.conf
>     drwxr-sr-x 2 root staff 4096 Oct 16 20:29 scanner.d
>     -rwxr-xr-x 1 root staff 1177 Oct 16 15:42 test.script
>     -rw-r--r-- 1 ud   ud    3094 Oct 15 16:27 umax.conf
> 
>     dll.conf:
>     #net
>     umax
> 
>     net.conf:
>     localhost
>     127.0.0.1 <http://127.0.0.1>
>     192.168.0.0/24 <http://192.168.0.0/24>
> 
>     saned.conf
>     localhst
>     127.0.0.1 <http://127.0.0.1>
>     192.168.0.0/24 <http://192.168.0.0/24>
> 
>     umax.conf:
>     standard file as in BE sources
> 
>     scanbd.conf:
>     global {
>     debug   = true
>     debug-level = 4
>     user    = saned
>     group   = scanner
> 
>     saned   = "/usr/sbin/saned"
>     saned_opt  = {} # string-list
>     saned_env  = { "SANE_CONFIG_DIR=/usr/local/etc/scanbd" } # 
>     list of environment vars for saned
> 
>     timeout = 2500
> 
>     pidfile = "/var/run/scanbd.pid"
> 
>     # env-vars for the scripts
>     environment {
>     # pass the device label as below in this env-var
>     device = "SCANBD_DEVICE"
>     # pass the action label as below in this env-var
>     action = "SCANBD_ACTION"
>     }
> 
>     # function definitions
>     # values of the options are simply passed via env-vars
> 
>     function function_knob {
>     filter = "^message.*"
>     desc   = "The value of the function knob / wheel / 
>     selector"
>     env    = "SCANBD_FUNCTION"
>     }
>     function function_mode {
>     filter = "^mode.*"
>     desc   = "Color mode"
>     env    = "SCANBD_FUNCTION_MODE"
>     }
> 
>     multiple_actions = true # allow multiple actions per option 
>     (up to the total amount of options)
> 
> 
>     action scan {
>     filter = "^scan.*"
>     numerical-trigger {
>     from-value = 1
>     to-value   = 0
>     }
>     desc   = "Scan to file"
>     script = "test.script"
>     }
>     action email {
>     filter = "^email$"
>     string-trigger {
>     from-value  = ""
>     to-value    = "^email.*"
>     }
>     desc   = "Scan to email"
>     script = "test.script"
>     }
>     action copy {
>     filter = "^copy$"
>     string-trigger {
>     from-value  = ""
>     to-value    = "^copy.*"
>     }
>     desc   = "Copy to printer"
>     script = "test.script"
>     }
>     action preview {
>     filter = "^preview$"
>     numerical-trigger {
>     from-value = 1
>     to-value   = 0
>     }
>     desc   = "Preview"
>     script = "test.script"
>     }
>     action globaltest {
>     filter = "^button0.*"
>     desc   = "Test (print all env vars)"
>     script = "test.script"
>     }
>     }
> 
>     include(scanner.d/umax.conf)
> 
> 
>     /usr/local/scanbd/scanner.d/umax.conf:
>     device umax {
> 
>     # the device matching string
>     filter = "(^umax.*)" # regex
> 
>     # the device description
>     desc = "UMAX ASTRA 2200SU"
> 
>     action scan {
>     filter = "^button0.*"
>     desc   = "Scan"
> 
>     # script must be an relative path starting from 
>     scriptdir (see above),
>     # or an absolute pathname.
>     # It must contain the path to the action script 
>     without arguments
>     # Absolute path example: script = 
>     "/some/path/foo.script
>     script = "test.script"
>     }
> 
>     action copy {
>     filter = "^button1.*"
>     desc   = "Copy"
> 
>     # script must be an relative path starting from 
>     scriptdir (see above),
>     # or an absolute pathname.
>     # It must contain the path to the action script 
>     without arguments
>     # Absolute path example: script = 
>     "/some/path/foo.script
>     script = "test.script"
>     }
> 
>     action mail {
>     filter = "^button2.*"
>     desc   = "Send to fax at uss-online.de"
> 
>     # script must be an relative path starting from 
>     scriptdir (see above),
>     # or an absolute pathname.
>     # It must contain the path to the action script 
>     without arguments
>     # Absolute path example: script = 
>     "/some/path/foo.script
>     script = "test.script"
>     }
>     }
> 
>     +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 
>     start scanbd from console as ROOT:
>     export SANE_CONFIG_DIR=/usr/local/etc/scanbd
>     usr/local/sbin/scanbd -d7 -f -c /usr/local/etc/scanbd/scanbd.conf
> 
>     +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>     Logfile /var/log/messages (Auszug während scanbd läuft):
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: foreground
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: config-file: 
>     /usr/local/etc/scanbd/scanbd.conf
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: reading 
>     config file /usr/local/etc/scanbd/scanbd.conf
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: debug on: 
>     level: 7
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: dropping 
>     privs to uid saned
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: dropping 
>     privs to gid scanner
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: group 
>     scanner has member:
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: saned
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: ud
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: drop 
>     privileges to gid: 113
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: Running as 
>     effective gid 113
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: drop 
>     privileges to uid: 109
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: Running as 
>     effective uid 109
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: dbus_init
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: dbus match 
>     type='signal',interface='org.freedesktop.Hal.Manager'
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: sane version 1.0
>     Oct 17 12:28:03 raspi-3 scanbd: /usr/local/sbin/scanbd: Scanning for 
>     local-only devices
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found 
>     device: umax:libusb:001:006 UMAX     Astra 2200       flatbed scanner
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     start_sane_threads
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: Starting 
>     poll thread for umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: Thread 
>     started for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: start dbus 
>     thread
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: udev init
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: sane_poll
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: timeout: 2500 ms
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: get udev monitor
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found 68 
>     options for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: Iteration on 
>     dbus call
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: udev fd is 
>     non-blocking, now setting to blocking mode
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: start udev 
>     thread
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     sane_find_matching_options
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found 5 
>     actions in section (null)
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     action scan with filter: ^scan.*
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[2] mode (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[3] source (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[4] resolution (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: udev thread 
>     started
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[7] negative (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[9] tl-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[10] tl-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[11] br-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[12] br-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[14] depth (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[34] custom-gamma (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[35] gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[36] red-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[37] green-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[38] blue-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[60] lamp-on (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[61] lamp-off (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[62] lamp-off-at-exit (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[67] preview (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     action email with filter: ^email$
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[2] mode (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[3] source (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[4] resolution (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[7] negative (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[9] tl-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[10] tl-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[11] br-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[12] br-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[14] depth (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[34] custom-gamma (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[35] gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[36] red-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[37] green-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[38] blue-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[60] lamp-on (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[61] lamp-off (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[62] lamp-off-at-exit (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[67] preview (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     action copy with filter: ^copy$
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[2] mode (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[3] source (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[4] resolution (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[7] negative (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[9] tl-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[10] tl-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[11] br-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[12] br-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[14] depth (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[34] custom-gamma (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[35] gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[36] red-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[37] green-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[38] blue-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[60] lamp-on (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[61] lamp-off (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[62] lamp-off-at-exit (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[67] preview (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     action preview with filter: ^preview$
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[2] mode (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[3] source (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[4] resolution (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[7] negative (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[9] tl-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[10] tl-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[11] br-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[12] br-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[14] depth (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[34] custom-gamma (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[35] gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[36] red-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[37] green-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[38] blue-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[60] lamp-on (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[61] lamp-off (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[62] lamp-off-at-exit (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[67] preview (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: installing 
>     action preview (0) for umax:libusb:001:006, option[67]: preview as: 
>     test.script
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: multiple 
>     actions allowed
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: Initial 
>     value of option preview is 0
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     action globaltest with filter: ^button0.*
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[2] mode (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[3] source (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[4] resolution (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[7] negative (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[9] tl-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[10] tl-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[11] br-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[12] br-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[14] depth (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[34] custom-gamma (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[35] gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[36] red-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[37] green-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[38] blue-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[60] lamp-on (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[61] lamp-off (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[62] lamp-off-at-exit (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[67] preview (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     sane_find_matching_functions
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found 2 
>     functions in section (null)
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     function function_knob with filter: ^message.*
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[1] 
>     has no name
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[2] mode (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[3] source (type: 3) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[4] resolution (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[5] is 
>     not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[6] is 
>     not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[7] negative (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[8] 
>     has no name
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[9] tl-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[10] tl-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[11] br-x (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[12] br-y (type: 2) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[13] 
>     has no name
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[14] depth (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[15] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[16] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[17] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[18] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[19] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[20] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[21] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[22] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[23] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[24] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[25] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[26] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[27] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[28] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[29] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[30] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[31] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[32] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[33] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[34] custom-gamma (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[35] gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[36] red-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[37] green-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[38] blue-gamma-table (type: 1) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[39] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[40] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[41] 
>     has no name
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[42] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[43] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[44] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[45] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[46] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[47] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[48] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[49] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[50] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[51] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[52] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[53] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[54] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[55] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[56] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[57] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[58] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[59] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[60] lamp-on (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[61] lamp-off (type: 4) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: found active 
>     option[62] lamp-off-at-exit (type: 0) for device umax:libusb:001:006
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[63] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[64] 
>     is not active
>     Oct 17 12:28:06 raspi-3 scanbd: /usr/local/sbin/scanbd: option[65] 
>     is not active
>     Oct 17 12:28:06 raspi-3 rsyslogd-2177: imuxsock begins to drop 
>     messages from pid 3039 due to rate-limiting
>     Oct 17 12:28:09 raspi-3 rsyslogd-2177: imuxsock lost 142 messages 
>     from pid 3039 due to rate-limiting
>     Oct 17 12:28:09 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:09 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:09 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:09 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:11 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:11 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:11 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:11 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:13 raspi-3 scanbd: /usr/local/sbin/scanbd: Iteration on 
>     dbus call
>     Oct 17 12:28:14 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:14 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:14 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:14 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:16 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:16 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:16 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:16 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:18 raspi-3 scanbd: /usr/local/sbin/scanbd: Iteration on 
>     dbus call
>     Oct 17 12:28:19 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:19 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:19 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:19 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:21 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:21 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:21 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:21 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:23 raspi-3 scanbd: /usr/local/sbin/scanbd: Iteration on 
>     dbus call
>     Oct 17 12:28:24 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:24 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:24 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:24 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:26 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:26 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:26 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:26 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:28 raspi-3 scanbd: /usr/local/sbin/scanbd: Iteration on 
>     dbus call
>     Oct 17 12:28:29 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:29 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:29 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:29 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:31 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     thread for umax:libusb:001:006 cancellation point
>     Oct 17 12:28:31 raspi-3 scanbd: /usr/local/sbin/scanbd: polling 
>     device umax:libusb:001:006
>     Oct 17 12:28:31 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     get_sane_option_value
>     Oct 17 12:28:31 raspi-3 scanbd: /usr/local/sbin/scanbd: checking 
>     option preview number 67 (0) for device umax:libusb:001:006: value: 0
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     sig_term/int_handler called with signal 2
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     stop_sane_threads
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: stopping 
>     poll thread for device umax:libusb:001:006
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: waiting for 
>     poll thread for device umax:libusb:001:006
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: 
>     sane_thread_cleanup_mutex
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: closing 
>     device umax:libusb:001:006
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: freeing opt 
>     ressources for device umax:libusb:001:006 thread
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: freeing 
>     funtion ressources for device umax:libusb:001:006 thread
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: stop dbus thread
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: join dbus thread
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: stop udev thread
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: cleanup 
>     device handler
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: join udev thread
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: close udev 
>     monitor
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: close udev
>     Oct 17 12:28:32 raspi-3 scanbd: /usr/local/sbin/scanbd: exiting scanbd
> 
> 
> 
> 
> 
>     Suggestions are welcome to solve this topic.
> 
>     Best regards
> 
>     Uwe
> 
> 
> 
>     -- 
>     sane-devel mailing list: sane-devel at lists.alioth.debian.org
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> 


-- 
Wilhelm
w.meier at unix.net



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