[sane-devel] scanbd and Canon LiDE 60: buttons not recognized ?

Florian Gagel ghostrider at trollaris.de
Sat Apr 15 08:44:52 UTC 2017 

Hi,

my LiDE60 is working well, either directly using scanimage with scanbd 
not running, as "genesys:libusb:001:016" or with running scanbd using 
xinetd as "net:localhost:genesys:libusb:001:016".
However, none of the four buttons seem to be recognized:

root at gandroid:/usr/local/etc/scanbd# scanbd -f -d7
scanbd: reading config file /usr/local/etc/scanbd/scanbd.conf
scanbd: debug on: level: 7
scanbd: dropping privs to uid saned
scanbd: dropping privs to gid scanner
scanbd: group scanner has member:
scanbd: saned
scanbd: drop privileges to gid: 121
scanbd: Running as effective gid 121
scanbd: drop privileges to uid: 120
scanbd: Running as effective uid 120
scanbd: dbus_init
scanbd: dbus match type='signal',interface='org.freedesktop.Hal.Manager'
scanbd: SANE_CONFIG_DIR=/usr/local/etc/scanbd
scanbd: sane version 1.0
scanbd: Scanning for local-only devices
scanbd: found device: genesys:libusb:001:016 Canon LiDE 60 flatbed scanner
scanbd: start_sane_threads
scanbd: Starting poll thread for genesys:libusb:001:016
scanbd: Thread started for device genesys:libusb:001:016
scanbd: sane_poll
scanbd: start dbus thread
scanbd: udev init
scanbd: get udev monitor
scanbd: udev fd is non-blocking, now setting to blocking mode
scanbd: start udev thread
scanbd: udev thread started
scanbd: timeout: 500 ms
scanbd: Iteration on dbus call
scanbd: Iteration on dbus call
scanbd: found 49 options for device genesys:libusb:001:016
scanbd: sane_find_matching_options
scanbd: found 5 actions in section (null)
scanbd: checking action scan with filter: ^scan.*
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: checking action email with filter: ^email$
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: checking action copy with filter: ^copy$
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: checking action preview with filter: ^preview$
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: installing action preview (0) for genesys:libusb:001:016, 
option[4]: preview as: test.script
scanbd: multiple actions allowed
scanbd: get_sane_option_value
scanbd: Initial value of option preview is 0
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: checking action globaltest with filter: ^message.*
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: sane_find_matching_functions
scanbd: found 2 functions in section (null)
scanbd: checking function function_knob with filter: ^message.*
scanbd: option[1] has no name
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: option[3] is not active
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: option[7] has no name
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: option[12] has no name
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: option[14] is not active
scanbd: option[15] is not active
scanbd: option[16] is not active
scanbd: option[17] is not active
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: option[26] has no name
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: option[36] has no name
scanbd: option[37] is not active
scanbd: option[38] is not active
scanbd: option[39] is not active
scanbd: option[40] is not active
scanbd: option[41] is not active
scanbd: option[42] is not active
scanbd: option[43] is not active
scanbd: option[44] is not active
scanbd: option[45] is not active
scanbd: option[46] has no name
scanbd: option[47] is not active
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: checking function function_mode with filter: ^mode.*
scanbd: option[1] has no name
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: installing function function_mode for genesys:libusb:001:016, 
option[2]: mode as env: SCANBD_FUNCTION_MODE
scanbd: option[3] is not active
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: option[7] has no name
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: option[12] has no name
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: option[14] is not active
scanbd: option[15] is not active
scanbd: option[16] is not active
scanbd: option[17] is not active
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: option[26] has no name
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: option[36] has no name
scanbd: option[37] is not active
scanbd: option[38] is not active
scanbd: option[39] is not active
scanbd: option[40] is not active
scanbd: option[41] is not active
scanbd: option[42] is not active
scanbd: option[43] is not active
scanbd: option[44] is not active
scanbd: option[45] is not active
scanbd: option[46] has no name
scanbd: option[47] is not active
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: found 6 local device sections
scanbd: checking device section avision with filter: ^avision.*
scanbd: checking device section fujitsu with filter: ^fujitsu.*
scanbd: checking device section hp with filter: ^hpaio.*
scanbd: checking device section pixma with filter: ^pixma.*
scanbd: checking device section snapscan with filter: 
(.*snapscan.*|.*Perfection.*)
scanbd: checking device section canon with filter: ^genesys.*
scanbd: found 1 local action for device genesys:libusb:001:016 [canon]
scanbd: sane_find_matching_options
scanbd: found 1 actions in section canon
scanbd: checking action file with filter: ^file.*
scanbd: found active option[2] mode (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[4] preview (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[5] depth (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[6] resolution (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[8] tl-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[9] tl-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[10] br-x (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[11] br-y (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[13] custom-gamma (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[18] swdeskew (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[19] swcrop (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[20] swdespeck (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[21] despeck (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[22] swskip (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[23] swderotate (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[24] brightness (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[25] contrast (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[27] lamp-off-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[28] lamp-off-scan (type: 0) for device 
genesys:libusb:001:016
scanbd: found active option[29] threshold (type: 2) for device 
genesys:libusb:001:016
scanbd: found active option[30] threshold-curve (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[31] disable-dynamic-lineart (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[32] disable-interpolation (type: 0) for 
device genesys:libusb:001:016
scanbd: found active option[33] color-filter (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[34] calibration-file (type: 3) for device 
genesys:libusb:001:016
scanbd: found active option[35] expiration-time (type: 1) for device 
genesys:libusb:001:016
scanbd: found active option[48] clear-calibration (type: 4) for device 
genesys:libusb:001:016
scanbd: sane_find_matching_functions
scanbd: no matching functions in section canon
scanbd: timeout: 500 ms
scanbd: Start the polling for device genesys:libusb:001:016
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value
scanbd: checking option preview number 4 (0) for device 
genesys:libusb:001:016: value: 0
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value
scanbd: checking option preview number 4 (0) for device 
genesys:libusb:001:016: value: 0
scanbd: Iteration on dbus call
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value
scanbd: checking option preview number 4 (0) for device 
genesys:libusb:001:016: value: 0
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value
scanbd: checking option preview number 4 (0) for device 
genesys:libusb:001:016: value: 0
scanbd: Iteration on dbus call
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value
scanbd: checking option preview number 4 (0) for device 
genesys:libusb:001:016: value: 0
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value
scanbd: checking option preview number 4 (0) for device 
genesys:libusb:001:016: value: 0
scanbd: Iteration on dbus call
scanbd: polling thread for genesys:libusb:001:016, before cancellation point
scanbd: polling thread for genesys:libusb:001:016, after cancellation point
scanbd: polling device genesys:libusb:001:016
scanbd: get_sane_option_value


My scanbd.conf:

/*
  * $Id: scanbd.conf 237 2017-04-05 05:46:59Z wimalopaan $
  *
  *  scanbd - KMUX scanner button daemon
  *
  *  Copyright (C) 2008 - 2016 Wilhelm Meier (wilhelm.meier at fh-kl.de)
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 
02110-1301, USA.
  */


# global settings
global {
         # turn on debugging

         # log to console
         debug   = true

         # debug logging
         # 1=error, 2=warn, 3=info, 4-7=debug
         debug-level = 7

         # drop priviliges to this user
         #=============================
         # Linux (most distributions use the saned user):
         # user    = saned
         # ArchLinux (ArchLinux doesn't have saned user)
         # user    = daemon
         # *BSD
         # user    = root
         user    = saned

         # Group to be used
         #=================
         # Linux (most distributions use the lp group to access scanners)
         # group   = lp
         # ArchLinux (ArchLinux uses the scanner group)
         # group = scanner
         #
         # *BSD (no group lp here, use daemon instead)
         # group   = daemon # root
         #
         #group   = lp
         group   = scanner

         # the saned executable for manager-mode
         saned   = "/usr/sbin/saned"
         saned_opt  = {} # string-list
         saned_env  = { "SANE_CONFIG_DIR=/etc/scanbd" } # list of 
environment vars for saned

         # Scriptdir specifies where scanbd normally looks for scripts.
         # The scriptdir option can be defined as:
         #   - a path relative to the configuations (<path>/etc/scanbd) 
directory
         #   - an abosolute path
         # Examples:
         # scriptdir = scripts
         # sets scriptdir to <path>/etc/scanbd/scripts.
         # scriptdir = /some/path
         # sets scriptdir to the specified absolute path
         # Default scriptdir is <path>/etc/scanbd, this is normally 
appropriate
         scriptdir = /etc/scanbd/scripts

         # Scripts to execute upon device insertion/removal.
         # It can be necessary to load firmware into the device when it 
is first
         # inserted. For example, scanbuttond backend does not know how 
to load
         # scanner firmware, and it can be rectified by making a custom 
script.
         # A simple command like "scanimage -L" in an example insert.script
         # invokes saned and it loads the appropriate firmware if necessary.
         # These scripts receive environmental variables named in the 
"environment" subsection:
         # SCANBD_DEVICE - device name (fixed string "dbus device" for 
dbus notification)
         # SCANBD_ACTION - "insert" or "remove", so one script can be used.
         # device_insert_script = "insert.script"
         # device_remove_script =

         # scanbuttond_backends_dir sets the path where scanbd looks for 
the scanbuttond backends
         # It can be defined as relative path, starting from the scanbd 
config directory or
         # as an absolute path
         # Default is <libdir>/scanbd/scanbutond/backends
         # Example
         # scanbuttond_backends_dir = 
"/usr/local/lib/scanbd/scanbuttond/backends"

         # poll timeout in [ms]
         # (for polling the devices)
         timeout = 500

         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 definitions
         # if the filter matches and the value changes
         # from from-value to to-value,
         # <script> is executed
         # <script> is the full pathname (do not include any parameters)
         # if parameters are needed, write a script

         # since we can have only at most one action for each option, 
the action-script
         # can use the function definition (see above) to distinguish 
different tasks
         # (e.g. use the env-var SCANBD_FUNCTION defined above)

         action scan {
                 filter = "^scan.*"
                 numerical-trigger {
                         from-value = 1
                         to-value   = 0
                 }
                 desc   = "Scan to file"
                 # 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 email {
                 filter = "^email$"
                 string-trigger {
                         from-value  = ""
                         to-value    = "^email.*"
                 }
                 desc   = "Scan to email"
                 # script must be an relative path starting from 
scriptdir (see above),
                 # or an absolute pathname.
                 # It must contain the path to the action script without 
arguments
                 # Absolute path example: script = "/some/path/foo.script
                 script = "test.script"
         }
         action copy {
                 filter = "^copy$"
                 string-trigger {
                         from-value  = ""
                         to-value    = "^copy.*"
                 }
                 desc   = "Copy to printer"
                 # 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 preview {
                 filter = "^preview$"
                 numerical-trigger {
                         from-value = 1
                         to-value   = 0
                 }
                 desc   = "Preview"
                 # 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 globaltest {
                 filter = "^message.*"
                 desc   = "Test (print all env vars)"
                 # 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"
         }
}

# include
# include another file at this point. This may only occur outside 
general and devices blocks.
# an include statement may be relative to the direcory where scanbd.conf 
is located or absolute
# include("scanner.d/myscanner.conf")
# include("/my/long/path/myscanner.conf")

# devices
# each device can have actions and functions, you can disable not 
relevant devices
include(scanner.d/avision.conf)
include(scanner.d/fujitsu.conf)
include(scanner.d/hp.conf)
include(scanner.d/pixma.conf)
include(scanner.d/snapscan.conf)
include(scanner.d/canon.conf)
#include(scanner.d/plustek.conf)


I also commented out the include statements for the devices, tested 
different sections for the options such as "preview", tried the default 
Ubuntu-Package for 16.04 as well as the newest version 1.5.0 of scanbd.

Syslog contains essentially the same output as scanbd -f -d7, no events 
registered at all on button press. Scanimage -A also gave no evidence 
for the presence of scanner buttons.

For me it seems that the problem might be the scanner button options not 
being recognized, strangely there are options "with no name" ?!

Thanks very much for any hint !


Regards,


   Florian

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