Arthur Marsh wrote:

> I've rebuilt kernel 2.6.22-rc4 with CONFIG_USB_DEVICE_CLASS=y and 
> successfully used gthumb to access a Canon IXUS V camera.
> 
> The udev rules for libgphoto2-2 in this case changed the permissions for 
> /dev/bus/usb/003/004 to allow group plugdev to access the camera:
> 
> /dev/bus/usb/003$ ls -al
> total 0
> drwxr-xr-x 2 root root          80 2007-06-09 08:54 .
> drwxr-xr-x 6 root root         120 2007-06-09 18:02 ..
> crw-rw-r-- 1 root root    189, 256 2007-06-09 18:02 001
> crw-rw---- 1 root plugdev 189, 259 2007-06-09 08:54 004
> 
> It appears that further work is needed on the udev rules for libgphoto2-2 
> in order for them to work with 2.6.22-rc4 and later kernels built that 
> don't have CONFIG_USB_DEVICE_CLASS=y set.

Thanks so much for your investigation in this matter; hopefully that
option will be set by default <http://lkml.org/lkml/2007/5/27/71> for
some time.

Nevertheless I will try to get working rules for 2.6.22 kernels
without that option before those kernels are released.


Regards,
        Frederic


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