On Sat, Jul 25, 2020 at 08:55:12PM +0000, Clifford Avril wrote:
> Hi
> 
> Thanks for below.
> 
> I have upgrade libgphoto2 version, and I can't access Canon G9 X.
> gphoto2 does not recognise it on plugging. The debugs are below. Any ideas ?
> There is this message on syslog
> 
> Jul 25 21:53:52 debian9 mtp-probe: bus: 3, device: 7 was not an MTP device
> Jul 25 21:53:52 debian9 gvfs-gphoto2-vo[967]: device (null) has no BUSNUM 
> property, ignoring
> 
> 
> Thanks
> Cliff
> 
> cliff@debian9:~$ gphoto2 --auto-detect
> Model                          Port
> ----------------------------------------------------------
> cliff@debian9:~$
> 
> 
> cliff@debian9:~$ gphoto2 --auto-detect --debug
> 0.000128 main                        (2): ALWAYS INCLUDE THE FOLLOWING LINES 
> WHEN SENDING DEBUG MESSAGES TO THE MAILING LIST:
> 0.000152 main                        (2): gphoto2 2.5.23
> 0.000240 main                        (2): libgphoto2 2.5.25
> 0.000252 main                        (2): libgphoto2 has been compiled with 
> the following options:
> 0.000309 main                        (2): libgphoto2_port has been compiled 
> with the following options:
> 0.000349 main                        (2):  + no USB (for USB cameras)


The problem is that you built without usb support.

for building, install libusb1-dev or similar package, then check output after 
configure.

Ciao, Marcus


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