[sane-devel] Problem in detecting usb scanner

m. allan noah kitno455 at gmail.com
Sun Aug 3 22:18:39 UTC 2008


the location of usb device files has moved from /proc/bus/usb to
/dev/usb. perhaps your version of libusb looks in one place, and the
system makes them in the other. udev might also be involved?

allan

On 8/3/08, Giuseppe Sacco <giuseppe at eppesuigoccas.homedns.org> wrote:
> Il giorno dom, 03/08/2008 alle 23.23 +0200, Wolfram Heider ha scritto:
>
> > Giuseppe,
>  >
>  > silly question: did you specify the location of the firmware (is required
>  > by the backend for the Epson Perfection 1670 as far as I know)?
>
>
> Yes I did it.
>  I am thinking about a kernel problem because of this error:
>
>  [...]
>
> > >  sane-find-scanner doesn't find any scanner. Logging sanei_usb I see:
>  > > giuseppe at sgi:~$ env SANE_DEBUG_SANEI_USB=255 sane-find-scanner
>  > > [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_set_debug: Setting debugging level to 255 (on)
>  > > usb_os_find_busses: Found 003
>  > > usb_os_find_busses: Found 002
>  > > usb_os_find_busses: Found 001
>  > > usb_os_find_devices: Couldn't open /dev/bus/usb/003/002
>  > > usb_os_find_devices: couldn't get connect info
>  [...]
>
>
>
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