https://bugs.kde.org/show_bug.cgi?id=473807
Bug ID: 473807
Summary: Plasma is initializing a new display output when
restarting monitor
Classification: Plasma
Product: KScreen
Version: 5.27.7
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: fahimshahriar...@gmail.com
Target Milestone: ---
Created attachment 161222
--> https://bugs.kde.org/attachment.cgi?id=161222&action=edit
Screenshot of Display and Monitor settings after turning on the monitor.
SUMMARY
When I turn off my monitor by pressing the physical button on it, then turn it
back on, Plasma detects a new display output and reloads the display settings.
I know this by checking "Display and Monitor settings", where I see a new popup
saying "A new output has been added. Settings has been reloaded".
STEPS TO REPRODUCE
- From a running system, turn off the monitor and turn it back on.
OBSERVED RESULT
Plasma is initializing a new display output and reloading all of the settings.
The problem with it is that if some heavy task is running, like a game,
restarting the monitor results in freezing or sometimes even crashing the task.
Sometimes the whole desktop crashes and restarts itself. And sometimes (rarely)
the whole system freezes and becomes unusable. Need to reboot in order to make
it usable again.
EXPECTED RESULT
It should resume the display from where it has been left off. Shouldn't reload
the settings.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20230823
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.109.0
Qt Version: 5.15.10
Kernel Version: 6.4.11-1-default (64-bit)
Graphics Platform: Wayland
Processors: 4 × AMD Ryzen 3 3200G with Radeon Vega Graphics
Memory: 13.5 GiB of RAM
Graphics Processor: AMD Radeon Vega 8 Graphics
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7C52
System Version: 1.0
ADDITIONAL INFORMATION
- Unplugging the monitor should result in a same behavior, but I haven't tested
it.
- I haven't tested it on multi-monitor.
- The issue is present on both Wayland and X11 session.
- I'm using HDMI for display output.
- Have tested on Fedora and openSUSE. Problem persists.
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