Package: libgphoto2-2
Version: 2.4.10.1-5
Severity: normal
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It seems that the permissions on my camera's USB device is not being
set correctly. When trying to access the camera I get the following
error:
servo:~ 0$ gphoto2 -L
*** Error ***
An error occurred in the io-library ('Could not claim the USB device'): Could
not claim interface 0 (Operation not permitted). Make sure no other program or
kernel module (such as sdc2xx, stv680, spca50x) is using the device and you
have read/write access to the device.
*** Error (-53: 'Could not claim the USB device') ***
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
Please make sure there is sufficient quoting around the arguments.
servo:~ 1$
I get no such error when I execute the same command as root.
Unfortunately, I'm unclear on exactly how the USB devices are
determined here, but by date at the very least I can see that the
relevant created device is this one:
servo:~ 0$ ls -al /dev/bus/usb/001/009
crw-rw-r-- 1 root root 189, 8 Apr 5 00:12 /dev/bus/usb/001/009
servo:~ 0$
As you can see, the group ownership is "root", as opposed to
"plugdev", which is should be.
I'm not sure how related this bug is to #586988. That bug was for a
different version of libgphoto2, and the udev rules are in a different
place now.
Thanks for the help.
jamie.
- -- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (600, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libgphoto2-2 depends on:
ii adduser 3.112+nmu2 add and remove users and groups
ii libc6 2.11.2-11 Embedded GNU C Library: Shared lib
ii libexif12 0.6.19-1 library to parse EXIF files
ii libgphoto2-port0 2.4.10.1-5 gphoto2 digital camera port librar
ii libjpeg62 6b1-1 The Independent JPEG Group's JPEG
ii libltdl7 2.2.6b-2 A system independent dlopen wrappe
Versions of packages libgphoto2-2 recommends:
pn libgphoto2-l10n <none> (no description available)
ii udev 166-1 /dev/ and hotplug management daemo
Versions of packages libgphoto2-2 suggests:
ii gphoto2 2.4.10-2 The gphoto2 digital camera command
- -- no debconf information
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