Hi, On Sun, Nov 30, 2003 at 01:46:37PM +0100, Rémi Zara wrote: > >Environment variable: SANE_DEBUG_SANEI_SOMETHING, e.g. > >SANE_DEBUG_SANEI_USB=255 or SANE_DEBUG_SANEI_SCSI=255. > > This is very interresting ! > With SANE_DEBUG_SANEI_USB=255, scanimage -L finds my snapscan e40 ! > Set it back to 0, and it does not find it anymore. > Set it back to 255, and here it is ! > Either something's wrong with debugging, either there is maybe some > timing problems ?
Usually that's a timinig issue. Maybe a problem in libusb? Bye, Henning
