permission problem on usb camera

Elijah Lofgren elijahlofgren at
Sat Apr 15 23:30:10 UTC 2006

On 4/15/06, Hamster <hamster at> wrote:
> Hello,
> I have a Canon PowerShot G1 camera that I have been successfully using
> with linux for the last 5 years.
> Today I upgraded some packages (mostly KDE 3.5.2) and since the upgrade
> I can only access my camera as the user root. I'm sorry I didn't take more notice as to exactly which packages were upgraded.
> The error message I get when using gphoto2 is:
> *** 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') ***

Have you tried rebooting since the upgrade? It sounds like the Camera
was mounted when you upgraded. I would think a reboot may fix your

Elijah Lofgren

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