Mint 20/Cinnamon - Reboot / Power Off does not work

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gizzard
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Mint 20/Cinnamon - Reboot / Power Off does not work

Post by gizzard »

I'm running a fresh install of Mint 20 / Cinnamon, with everything updated.

For some reason, shutdown and reboot does not work from the GUI. Instead, I get logged out and the login screen appears. However, it works fine when doing it from a TTY (shutdown and reboot commands).

Looking at syslog, I find the following:

Code: Select all

cinnamon-session[1315]: WARNING: t+1427,70275s: Playing logout sound '/usr/share/mint-artwork/sounds/logout.ogg'
cinnamon-session[1315]: WARNING: t+1428,01870s: Finished playing logout sound
cinnamon-session[1315]: WARNING: t+1428,01875s: Resuming logout sequence...
cinnamon-session[1315]: WARNING: t+1428,95399s: Requesting system restart...
cinnamon-session[1315]: WARNING: t+1428,95408s: Attempting to restart using systemd...
cinnamon-session[1315]: WARNING: t+1428,95919s: Unable to restart system via systemd: GDBus.Error:org.freedesktop.DBus.Error.InteractiveAuthorizationRequired: Interactive authentication required.
cinnamon-session[1315]: WARNING: t+1428,95926s: Using an MDM logout action to shutdown/reboot the system.
So apparently there seems to be a permission issue somewhere.

Let me know if you need more info !
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