Comment 5 for bug 785681

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Sergio Callegari (callegar) wrote :

I see the same with:

kubuntu 17.10
Nvidia graphics (G84GL [Quadro FX 570])
Nouveau driver

When power management kicks in to switch off the screen via dpms, then it is impossible to resume operation. As you move the mouse, there is no screenlock screen to enter the password, just a black screen with the mouse cursor.

All the relevant KDE/plasma processes are active, and so is the screenlocker process.