Package: argyll
Version: 1.0.3+dfsg1-2
Severity: normal

There is a permission problem in Argyll udev rules that prevents the user to 
use the colorimeter usb device (I tested this with Spyder 2 Express from 
Colorvision).
The problem is that the standard udev rules 
/etc/udev/rules.d/91-permissions.rules override the Argyll permission rules 
/etc/udev/rules.d/55-Argyll.rules
This is because of the following lines in the 91-permissions.rules :

# usbfs-like devices
SUBSYSTEM=="usb_device",        MODE="0664"

that override the MODE="0666" from the Argyll rules.

A simple workaround is to rename 55-Argyll.rules to 92-Argyll.rules, in order 
to make the Argyll permission rules come *after* the standard udev permission 
rules. Another solution would be to change the usb device permissions in the 
standard udev rules but maybe it is unsecure?

Another question : should the argyll package really depend on policykit?
Best regards,
RB




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