Public bug reported:
Standard Unity. Have a laptop on a docking station, with a second
monitor connected. Lock the screen, go away for sufficient time for the
displays to blank. when I return, hit a key, the external display
powers up, but just shows me the background set for my account, no
dialog to unlock the screen, the laptop display does not even power up.
no way to unlock the screen. I move the mouse around, to where it
should be on the laptop screen, but that screen stays dark. There is
no disk activity and no cpu load during this event, it is not busy, it
just does not present the dialog.
I do not know if this is what fixes it, but I do it every time:
Ctrl-F1, log into a terminal session, then switch back and forth
Ctrl-F7 a few times and after a few minutes it will present a dialog,
and can then unlock.
** Affects: gnome-screensaver (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1100874
Title:
lockscreen presents no unlock dialog
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