[sane-devel] Debugging sane-find-scanner/scanimage

[m. allan noah]

Try:

SANE_DEBUG_DLL=255 scanimage -L

and lets see why xerox_mfp is not called.

allan

On Fri, Jun 1, 2012 at 3:34 PM, Rogan Dawes <rogan at dawes.za.net> wrote:
> On 01/06/2012 17:08, ABC wrote:
>>
>> Your logs does not show communication of driver with the device.
>> If you able to change that, do not even touch sane-find-scanner,
>> concentrate on scanimage -L.
>>
>> -abc
>
>
> I'm not sure what you mean by this.
>
> I really want to "change that", and I am asking for help in figuring out
> *how* to change it.
>
> I assume there is a "if" statement of some sort that is failing, and I'm
> hoping someone can help me figure out how to fix it.
>
> Would strace output help, perhaps?
>
> Rogan
>
>
>>
>> On Thu, May 31, 2012 at 05:23:19PM +0200, Rogan Dawes wrote:
>>>
>>> scanimage -L, however, fails to identify this device:
>>>
>>> root at gw:/# SANE_DEBUG_XEROX_MFP=128  SANE_DEBUG_SANEI_USB=4 scanimage -L
>>> [sanei_debug] Setting debug level of xerox_mfp to 128.
>>> [xerox_mfp] sane_init: Xerox backend (build 12), version != null,
>>> authorize != null
>>> [sanei_debug] Setting debug level of sanei_usb to 4.
>>> [sanei_usb] sanei_usb_init: marking existing devices
>>> [sanei_usb] sanei_usb_init: Looking for kernel scanner devices
>>> [sanei_usb] sanei_usb_init: Looking for libusb devices
>>> [sanei_usb] sanei_usb_init: found libusb device (0x067b/0x2303)
>>> interface 0  at libusb:001:007
>>> [sanei_usb] store_device: add dn 0 with libusb:001:007
>>> [sanei_usb] sanei_usb_init: found libusb device (0x04e8/0x342e)
>>> interface 0  at libusb:001:006
>>> [sanei_usb] store_device: add dn 1 with libusb:001:006
>>> [xerox_mfp] sane_xerox_mfp_get_devices: 0x7fcb5f60, 0
>>> [sanei_usb] sanei_usb_find_devices: vendor=0x04e8, product=0x342e
>>> [xerox_mfp] list_one_device: libusb:001:006
>>>
>>> No scanners were identified. If you were expecting something different,
>>> check that the scanner is plugged in, turned on and detected by the
>>> sane-find-scanner tool (if appropriate). Please read the documentation
>>> which came with this software (README, FAQ, manpages).
>>> root at gw:/#
>>
>>
>
>
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