https://bugs.kde.org/show_bug.cgi?id=500498
Bug ID: 500498
Summary: Screen content displayed before lock screen when
waking up from sleep
Classification: I don't know
Product: kde
Version: unspecified
Platform: unspecified
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: kbtr.buffer...@passinbox.com
Target Milestone: ---
SUMMARY
Waking up from sleep, the lock screen takes a second to show up and in the
moment, it glitches showing the actual unlocked screen. It's enough time for
whoever wakes up the computer to read a good deal of information before the
lock screen appears, which turns this into a privacy problem.
This is always reproduceable and it does not matter how long you wait between
sleeping and waking up, which could rule out the lock delay. And still, if the
lock delay was what was happening here, the lock screen wouldn't show up asking
for a password anyway.
It happens both under X11 and Wayland. Showing the desktop longer on X11 and on
Wayland just for a fraction of a second, but still showing it.
STEPS TO REPRODUCE
1. Put the computer to sleep (either by clicking the sleep button, or closing
the laptop lid, it doesn't matter).
2. Wait a bit, to ensure the computer fully goes to sleep. I wait for my laptop
power led to start blinking, you can also go away for a few hours, it makes no
difference.
3. Wake the computer up, by pressing any key or opening the laptop lid.
OBSERVED RESULT
- The laptop wakes up.
- The "contents" of the screen are visible for a moment.
- The lock screen covers everything and I'm required to type my password.
EXPECTED RESULT
- The laptop wakes up.
- Either:
- The lock screen shows up right away, without allowing for any glitching.
- If the lock screen takes a moment to show up, the screen should be blank.
SOFTWARE/OS VERSIONS
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
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