Strange udev camera problem and solution?
Paul Thompson
ubantu001 at gmail.com
Thu Apr 5 03:34:48 UTC 2007
When I plug my camera's into my PC's (Cannon IXUS55 and a G5
Powershot) usb port I get the following message when the Import
Photo's dialog comes up:-
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.
So I Googled and found this:
http://ubuntuforums.org/showthread.php?t=340271 AND
http://commandline.org.uk/2007/my-day-with-ubuntu-edgy-eft/#comment-18946
Did what they advised but no joy. So I had a closer look at
45-libgphoto2.rules and found this at the top:
# udev rules file for libgphoto2 devices (udev < 0.98)
#
BUS!="usb*", GOTO="libgphoto2_rules_end"
ACTION!="add", GOTO="libgphoto2_rules_end"
This BUS! instruction (as I understand it) is telling it to go to the
end of the rules and the rules are never checked! I comented out the
BUS! instruction and now everything is working just fine.
Could this be something that should be reported and if so who to?
Regards,
Paul
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