> Воспроизведено на Ubuntu Linux !

Gentoo Linux 3.17.4-geek, i3wm

ich@zet:~ % id
uid=1000(ich) gid=1000(ich) groups=1000(ich),10(wheel),18(audio),19(cdrom),27(video),85(usb),100(users),104(plugdev),1001(libvirt)

ich4@zet:~ % pkexec sh
==== AUTHENTICATING FOR org.freedesktop.policykit.exec ===
Authentication is needed to run `/bin/sh' as the super user
Authenticating as: root
Password:
polkit-agent-helper-1: pam_authenticate failed: Authentication failure
==== AUTHENTICATION FAILED ===
Error executing command as another user: Not authorized