On Sun, 2006-11-19 at 07:25 +0100, Jurgen Defurne wrote: > On Thu, Nov 16, 2006 at 08:19:19AM +0900, Olaf Meeuwissen wrote: > > jurgen.defu...@pandora.be (Jurgen Defurne) writes: > > > > > I followed the instructions I found here > > > (http://ubuntuforums.org/showthread.php?t=108256), which gave a little > > > bit more information about setting up udev. > > > > > > I got some better activity and feedback, from this command : > > > > > > SANE_DEBUG_SNAPSCAN=255 scanimage -L > > > > > > However, it hangs at sane_snapscan_get_devices, with the following > > > output from the process : > > > > > > [snapscan] atomic_usb_cmd(0,0xbfea70ce,6,0x0,0x0 (0)) > > > [snapscan] usb_cmd(0,0xbfea70ce,6,0x0,0x0 (0)) > > > [snapscan] usb_cmd: cmdlen=6, datalen=0 > > > [snapscan] usb_write: writing: 0x00 0x00 0x00 0x00 0x00 0x00 > > > [snapscan] Written 6 bytes > > > [snapscan] usb_read: reading: 0xfb 0x00 0x00 0x00 0x00 0x00 0x00 0x00 > > > [snapscan] Read 8 bytes > > > [snapscan] 2nd read 4 write 2 > > > [snapscan] snapscani_init_device_structure() > > > [snapscan] sane_snapscan_get_devices (0xbfea8298, 0) > > > > > > and after some time the process starts to take up 100% CPU. > > > > > > What I want to know is if the snapscan backend on its own is enough to > > > drive the scanner, or do I always need the iscan shared libraries from > > > the Avasys website, and if yes, what is the best place to install them ? > > > > You need a firmware file (esfw52.bin). > > > > As for the iscan shared libraries (I assume you're talking about > > iscan-plugin-gt-f520-1.0.0-1.c2.i386.rpm) are only used by the epkowa > > backend. The snapscan backend does not use them. The epkowa backend > > is available in the iscan package/source. > > > > Hope this helps, > > -- > > Olaf Meeuwissen EPSON AVASYS Corporation, SE1 > > FSF Associate Member #1962 sign up at http://member.fsf.org/ > > GnuPG key: 6BE37D90/AB6B 0D1F 99E7 1BF5 EB97 976A 16C7 F27D 6BE3 7D90 > > Penguin's lib! -- I hack, therefore I am -- LPIC-2 > > I already got the firmware, I added it to the snapscan.conf file. I > suppose this is what makes the scanner tick, ie. the software which > controls the device on-board. > > When using this command : > > SANE_DEBUG_SNAPSCAN=255 SANE_DEBUG_SANEI_USB=255 scanimage -L > > I see that the system does not hang on the scanner detection, but on > the USB detection. > > Here are the last 20 lines of the output. > > [sanei_debug] Setting debug level of sanei_usb to 255. > [sanei_usb] sanei_usb_init: Looking for kernel scanner devices > [sanei_usb] sanei_usb_init: can't stat /dev/usb/: No such file or > directory > [sanei_usb] sanei_usb_init: Looking for libusb devices > usb_os_init: Found USB VFS at /dev/bus/usb > usb_set_debug: Setting debugging level to 255 (on) > [sanei_usb] sanei_usb_init: found libusb device (0x04b8/0x0122) > interface 0 at libusb:004:002 > [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub > [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub > [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub > [sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub > [sanei_usb] sanei_usb_init: found 1 devices > [sanei_usb] sanei_usb_find_devices: vendor=0x03f0, product=0x0000 > [sanei_usb] sanei_usb_find_devices: vendor=0x03f0, product=0x2205 > [sanei_usb] sanei_usb_find_devices: vendor=0x03f0, product=0x2005 > [sanei_usb] sanei_usb_find_devices: vendor=0x03f0, product=0x2005 > [sanei_usb] sanei_usb_find_devices: vendor=0x03f0, product=0x0705 > [sanei_usb] sanei_usb_find_devices: vendor=0x03f0, product=0x0805 > > I have tried using gdb to attach to the process, which works, but > since there is no symbolic information, I am unable to get any output > which may help. > > I suppose, since it hangs at the last line, that I have a problem with > a product from vendor 0x3f0, product 0x0805. Is there somewhere an > index where I can lookup these codes ? > > Regards, > > Jurgen > One way is using the Sane search page
http://www.sane-project.org/cgi-bin/driver.pl?manu=&model=&bus=any&v=03f0&p=0805 Last line from the hp_rts88xx backend. In /etc/sane.d/dll.conf you can disable the not used backends by placing a # before each backendname, maybe that will help. -- -------- m.vr.gr. Gerard Klaver