Hi there! Newer udev has an ugly behaviour regarding block devices. Chown a blockdevice to some user and open it once. udev will trigger a change event and reset the permissions back to root:disk. The fastest solution I can propose is to restrict permission setting to ACTION=="add", but is that a good choice? The use-case I had was to allow a user to access /dev/sda for running qemu. Regards Matthias -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html