The quirk is more nuanced than I reported above. This reports groups correctly:
1. GUI login 2. Switch to TTY, login 3. "groups" 4. Switch to GUI 5. Launch Terminal 6. "groups" This only reports the username: 1. GUI Login 2. Launch Terminal 3. "groups" 4. Switch to TTY, login 5. "groups" Tests done with /usr/bin/tmux as the user's shell and tmux default-shell = /bin/bash which has been my standard configuration for several years now with no problems. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784964 Title: Regression due to CVE-2018-1116 (processes not inheriting user ID or groups ) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/policykit-1/+bug/1784964/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs