[quote=“AJSlye, post:2, topic:2894”]What run level are you using when this happens?
…
You could just use the following command to turn off the system: sudo poweroff[/quote]
I was in N 2 runlevel.
And you’re right, the “sudo poweroff” works fine.
I guess “halt” is too abrupt; seems like it didn’t work in Kubuntu either.