Running Kubuntu Vivid Beta 1, RC 1 (download link in URL above). Started wrong machine, and tried to immediately power off, and it did not work. I had to login to the machine, and shut down. Reproducible: Always Steps to Reproduce: 1. Either (A) Cold boot on physical machine; or (B)Start VMware VM 2. See sddm login panel 3. Select power down icon Actual Results: Countdown goes to zero, then negative Expected Results: Countdown should go to zero, then power down.
I can reproduce this bug in Kubuntu 15.04 with Plasma 5.2.x
*** Bug 345164 has been marked as a duplicate of this bug. ***
I can reproduce this bug in any KDE 5 (Plasma 5.2.x and 5.3.x) release so far, using SDDM 0.11.0. Platform: Slackware-current.
https://github.com/sddm/sddm/issues/458 we're making the right calls to SDDM from the Plasma side, lets track this on the SDDM server on the report above I imagine it's a lack of a suitable backend being installed (or existing on the SDDM side)