I don't know what turns it on in the first place, so I cannot tell you how to disable that, I'm afraid. You can try and explicitly set LogLevel=info in /etc/systemd/system.conf (i. e. uncomment that line), but I'm not sure whether that will help.
** Summary changed: - Continuous messages from systemd: dm disk appears twice + debug messages are enabled by default ** Package changed: systemd (Ubuntu) => ubuntu ** Changed in: ubuntu Status: Won't Fix => Incomplete ** Summary changed: - debug messages are enabled by default + debug messages are enabled -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1569930 Title: debug messages are enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1569930/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs