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Bug#852162: libkscreenlocker5: cannot enter password when two mirrored monitors are connected



¡Hola Dominik!

El 2017-01-22 a las 08:46 +0100, Dominik George escribió:
Package: libkscreenlocker5 Version: 5.8.4-1 Severity: important

When I have two monitors connected and they are set up to share the same picture, the password input field in the lock screen stops accepting input. No characters I type make it to the input field and hitting the Enter key tries a login with an empty password.

Most excitingly, the input seems to make it “somewhere”, because everything I entered is sent to the input field at once when I unplug one of the monitors.

The issue does not happen when the monitors are set up to extend the desktop to the left or right, only when the picture is mirrored.

Sometimes, after resume from sleep, KDE forgets that the 2 displays should be placed in "extend" setting and sets them to "mirror", thus this bug.

Sorry, I'm a bit confused by Alex reply. Is the issue related to suspend or is it reproducible by activating the lock screen directly?

Trying to reproduce the issue I noticed that when using the unified view the screenlocker prompt won't give feedback for the typed keys. This might be even considered a feature, to avoid revealing the length of your password when using beamer and the likes. But contrary to what's reported entering the password unlocks the screen. Sadly I'm not sure if this is intended or not.

Can you please check if you are seeing the same behavior?

Happy hacking,
--
"Can you imagine what I would do if I could do all I can?" -- Sun Tzu
Saludos /\/\ /\ >< `/

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