Could you activate some more trace logs and re-post the content of scanimage -L "when on line" (BTW, what do you mean exactly by that ? do you mean you connect through a modem on a tel line ?) :
$ export SANE_DEBUG_PIXMA=21 $ export SANE_DEBUG_SANEI_USB=255 $ export SANE_DEBUG=255 Nicolas Le dimanche 25 janvier 2009 ? 18:45 +0100, M. Ackermann a ?crit : > Hello, > > I've compiled the sane-cvs-version with pixma-backend only. Now, sane > works fine as long as I'm not connected to the internet, but crashes as > soon as I'm online at the same time as calling scanimage (or Xsane as > frontend to sane). > > Results: > > scanimage -V: > scanimage (sane-backends) 1.1.0-cvs; backend version 1.1.0 > > scanimage -L (when offline): > [sanei_debug] Setting debug level of pixma to 11. > [pixma] pixma version 0.15.0 > [sanei_debug] Setting debug level of sanei_usb to 0. > [pixma] pixma_collect_devices() found Canon PIXMA MP610 at libusb:003:002 > [pixma] sanei_bjnp_find_devices: > [pixma] lo is not a valid IPv4 interface, skipping... > [pixma] eth0 is not a valid IPv4 interface, skipping... > [pixma] eth1 is not a valid IPv4 interface, skipping... > [pixma] lo is not a valid IPv4 interface, skipping... > [pixma] eth0 is IPv4 capable, sending broadcast.. > [pixma] eth1 is IPv4 capable, sending broadcast.. > [pixma] lo is not a valid IPv4 interface, skipping... > [pixma] eth0 is not a valid IPv4 interface, skipping... > [pixma] scanner discovery finished... > [pixma] pixma_find_scanners() found 1 devices > device `pixma:04A91725_490DE9' is a CANON Canon PIXMA MP610 multi-function > peripheral > > scanimage -L (when online): > [sanei_debug] Setting debug level of pixma to 11. > [pixma] pixma version 0.15.0 > [sanei_debug] Setting debug level of sanei_usb to 0. > [pixma] pixma_collect_devices() found Canon PIXMA MP610 at libusb:003:002 > [pixma] sanei_bjnp_find_devices: > [pixma] lo is not a valid IPv4 interface, skipping... > [pixma] eth0 is not a valid IPv4 interface, skipping... > [pixma] eth1 is not a valid IPv4 interface, skipping... > Speicherzugriffsfehler > > My system: > > Scanner: Canon pixma MP610. > OpenSuse 10.3 2.6.22.19-0.2-default > i686 athlon i386 GNU/Linux > > Michael >