Hello Herbert, On Tue, Jul 26, 2016 at 01:55:10PM -0300, Herbert Fortes wrote: > > > > Can you tell me which mode (normal/PTP) did you use ? > > > > How do I find out? I just plug the camera in. > > I do not have a camera. But when I plug my > cell phone I have two options (in the cell > phone): > > - media device. Like a pendrive I guess. > - camera (PTP)) > > > Is there something similar in your camera ?
No.
> > > Can you set '--camera MODEL' and see what happens ? It
> > > will necessary to use '--port' too.
> > >
> > > "--list-cameras" (List supported camera models.) and
> >
> > This "only" gives:
> > helge@samd:~$ gphoto2 --list-cameras | grep G5
> > »Canon PowerShot G5 (PTP mode)«
>
> PTP mode is the only way.
Yes, I believe so as well.
> > > "--list-ports" (List supported port devices) can be
> > > a help.
> >
> > helge@samd:~$ LC_ALL=C gphoto2 -L --camera "Canon PowerShot G5 (PTP mode)"
> > --port "usb:"
> >
> > *** Error ***
> > An error occurred in the io-library ('Bad parameters'): No error
> > description available
> > *** Error (-2: 'Bad parameters') ***
>
> Yes, PTP must be set on the device, if possible. Did
> you try '--auto-detect' ? The manpage says it list
> auto-detected cameras.
As normal user: does not change anything
As root user: works as expected
…
Canon PowerShot G5 (PTP mode) usb:011,002
> > 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-de...@lists.sourceforge.net>, please run
> > gphoto2 as follows:
> >
> > env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt -L --camera
> > "Canon PowerShot G5 (PTP mode)" --port usb:
> >
> > Please make sure there is sufficient quoting around the arguments.
> >
> > However, I just by chance tried as root:
> > root@samd:~# LC_ALL=C gphoto2 -L
> > There is no file in folder '/'.
> > There is no file in folder '/store_00010001'.
> > There is no file in folder '/store_00010001/MISC'.
> > There is no file in folder '/store_80000001'.
> >
> > Strange, so it must be a permission problem. Also -P works (as root).
>
> Did you check /dev/* ? lsusb and ls -l /dev/bus/usb/003/012 (in my case)
> can show the permissions.
Which device in /dev are you looking for?
root@samd:~# lsusb
…
Bus 011 Device 002: ID 04a9:3085 Canon, Inc. PowerShot G5
…
root@samd:~# ls -lh /dev/bus/usb/011/002
crw-rw-r--+ 1 root plugdev 189, 1281 Jul 2 08:39 /dev/bus/usb/011/002
I'm a member:
root@samd:~# grep plugdev /etc/group
plugdev:x:46:helge
(and I can ls the above file as well)
I run strace -eopen as root and as normal user, and the difference
starts here:
open("/sys/bus", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 EACCES
(Permission denied)
I tried to chown /sys/bus (and subdirectories) to root:plugdev, but
this does not work :-((
> regards,
> -- Herbert Parentes Fortes Neto (hpfn)
--
Dr. Helge Kreutzmann deb...@helgefjell.de
Dipl.-Phys. http://www.helgefjell.de/debian.php
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