https://bugs.kde.org/show_bug.cgi?id=433262
Bug ID: 433262
Summary: suspending by closing laptop lid on Wayland causes
laptop screen to be disabled after waking up laptop.
Product: KScreen
Version: 5.21.0
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: smit1...@gmail.com
Target Milestone: ---
SUMMARY
When I connect the external monitor to my laptop and suspend it by closing the
laptop lid and waking it up again by opening the lid it works as expected on
Xorg but not on Wayland. On Wayland my laptop's screen is disabled. It starts
for a sec and then goes black. I have to go to settings and check the "Enabled"
field manually to enable laptop screen. I can reproduce this all the time.
This only happens when I close the laptop lid. using "systemctl suspend" or
clicking the "sleep" button works fine and does not reproduce this issue.
I'm not sure if this is duplicate of
https://bugs.kde.org/show_bug.cgi?id=428424 cause sometimes it wont allow me to
enable my laptop screen at all. When I press the "Apply" button in display
settings, laptop screen starts for a second and again goes black and
applications like firefox, latte-dock .. etc crashes.Kwin also crashes
sometimes but restarts and wallpaper turns black. I can't reproduce this one
but when It happens, I have to log back into the Xorg session and set Display
settings there and then it works again in Wayland session. Even when Loged into
Xorg session, I can see bunch processes from last session still running and
taking 100% CPU
STEPS TO REPRODUCE
1. Log Into KDE Wayland session with external monitor attached
2. Suspend laptop by closing lid.
3. Open lid to wake laptop
OBSERVED RESULT
Laptop Screen is disabled
EXPECTED RESULT
Like Xorg, Laptop screen and external monitor both starts normally
SOFTWARE/OS VERSIONS
OS: ArchLinux
KDE Plasma Version: 5.21.0
KDE Frameworks Version: 5.79.0
Qt Version: 5.15
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