Can't get photos from camera -

[Andras Simon]

On 2/4/08, Bob Goodwin <bobgoodwin at wildblue.net> wrote:
>
> gphoto2 is giving me the following error messages.  I used it a few days
> ago with a different camera and it worked without a hitch.
>
>         gphoto2 --auto-detect
>         Model
>         Port
>         ----------------------------------------------------------
>         USB PTP Class Camera           usb:
>         USB PTP Class Camera           usb:005,008
>         [root at box6 ~]# gphoto2 --list-files
>
>
>         *** Error ***
>         PTP I/O error
>
>         *** Error ***
>         An error occurred in the io-library ('Unspecified error'): The
>         supplied vendor or product id (0x0,0x0) is not valid.
>         *** Error (-1: 'Unspecified error') ***
>
>         For debugging messages, please use the --debug option.
>         Debugging messages may help finding a solution to your problem.
>         If you intend to send any error or debug messages to the gphoto
>         developer mailing list <gphoto-devel at lists.sourceforge.net>,
>         please run
>         gphoto2 as follows:
>
>             env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt
>         --list-files
>
>         Please make sure there is sufficient quoting around the arguments.
>
>
>
>
>         gphoto2 --get-all-files
>
>
>         *** Error ***
>         PTP I/O error
>
>         *** Error ***
>         An error occurred in the io-library ('Unspecified error'): Could
>         not query kernel driver of device.
>         *** Error (-1: 'Unspecified error') ***
>
>         For debugging messages, please use the --debug option.
>         Debugging messages may help finding a solution to your problem.
>         If you intend to send any error or debug messages to the gphoto
>         developer mailing list <gphoto-devel at lists.sourceforge.net>,
>         please run
>         gphoto2 as follows:
>
>             env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt
>         --get-all-files
>
>         Please make sure there is sufficient quoting around the arguments.
>
> Man gphoto2 is not much help or perhaps beyond my comprehension.
>
> Any suggestions appreciated.

I ran into the same problem a few days ago and got around it by
starting gphoto2 as root. I know it's only a temporary solution, but I
hope it works for you, too.

Andras