Hi Ilya, is there a special reason using the (old) scanbuttond-backends and not sane-backends?
If you plugin / poweron the scanner for the first time, who does the firmware get loaded in this case? Am 29.08.2013 03:42, schrieb Ilya Ivanchenko: > On Wed, 2013-08-28, Wilhelm wrote: >> Am 28.08.2013 07:11, schrieb Ilya V. Ivanchenko: >>> I created a neat setup using xinet + scanbd service + scanbd daemon (for >>> buttons) + sane (client) to use Epson GT-1500 (with ADF) as a workhorse >>> of a network scanner, with scanner buttons hooked to various jobs. >>> Everything is working great, except... >>> >>> I encountered a problem after the scanner is powered off and then on >>> again. The buttons service (scanbd daemon) stops reading the buttons and >>> keeps getting "communication error" in the syslog. >> >> that shouldn't happen. Normally, scanbd gets via udev | hal | dbus a >> device-removed event and then abandones the device until it gets plugged >> in again. > > Good to know that scanbd should manage firmware loading, it answers the > questions I had. Now it seems we better dig to the root of the > problem... > > >> So, please show the syslog from beginning of the scanbd log messages and >> in the situation when the device is removed. > > I've pasted syslog snippet with the problem when firmware is not loaded > (with scanbd debug-level=7) here (device was removed on Aug 28 18:02:28, > communication error happens on Aug 28 18:03:19): > http://pastebin.com/BweSr5p2 > (it will expire in 1 month) > >> >> And please: how did you configure / compile, which platform, ... > > Ubuntu 12.04LTS on Intel amd64, 1st installed sane and Epson's iscan: > > sudo apt-get install sane-utils > sudo dpkg -i iscan-data_1.23.0-1_all.deb > sudo dpkg -i iscan_2.29.1-5~usb0.1.ltdl7_amd64.deb > sudo dpkg -i iscan-plugin-gt-1500_2.2.0-1_amd64.deb > scanimage -L > # works > > 2nd downloaded scanbd (181-trunk) > Prepared: > sudo apt-get install build-essential checkinstall > sudo apt-get install libconfuse-dev libsane-dev libudev-dev > sudo apt-get install libconfuse-dev libusb-dev libudev-dev libdbus-1-dev > dbus libsane-dev > ## Sane option will only work if sane backend supports reading buttons > from the scanner (use "scanimage -A" to check): > # ./configure --prefix= --with-user=saned --with-group=scanner > ## Use scanbuttond backend (embedded into scanbd): > ./configure --prefix= --with-user=saned --with-group=scanner > --enable-scanbuttond > > I patched 2 files: > > - src/scanbuttond/backends/epson_vphoto.c - added VID/PID 04B8/0133 for > Epson GT-1500: > { 0x04B8, 0x0133, 5 } // Epson GT-1500, buttons: 1=scan, 2=copy, > 3=email, 4=pdf, 5=stop > ... > { "Epson", "GT-1500"} > > - src/scanbd/scanbuttond_wrapper.c function scanbtnd_button_name() > (upped the assert for button count <=4 to <=5 and renamed buttons per > Epson line above) > > BTW - it would be nice if device definitions can name their own buttons > instead of hard-coded values.That first list with VID/PID/count_buttons > could contain an array of strings for that. > > Then I compiled: > make > sudo make install > > > The system configuration involved some editing in /etc/, but I think it > is not the issue here. Anyway let me know if you need any other > information. > > Regards, > > -- > Ilya > > -- Wilhelm w.meier at unix.net