Hello, It looks like trousers daemon is checking the permissions of /var/lib/tpm on startup. If the permission is not correct, the daemon will try to correct them, the logs show: TrouSerS resetting mode of /var/lib/tpm from 40755 to: 700 Maybe the tpm-udev package should chown /var/lib/tpm to 700 out of the box instead of letting the daemon do it? Not sure what are the other users of that directory expecting Kind regards, Laurent Bigonville