[kde] [Bug 506135] New: screen sleep doesn't work on second monitor but works on the first monitor

jumjo bugzilla_noreply at kde.org
Wed Jun 25 05:43:32 BST 2025


https://bugs.kde.org/show_bug.cgi?id=506135

            Bug ID: 506135
           Summary: screen sleep doesn't work on second monitor but works
                    on the first monitor
    Classification: I don't know
           Product: kde
      Version First unspecified
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: jumjo132883 at tutamail.com
  Target Milestone: ---

SUMMARY
I set my power management to have my screen dim after 5 min, then turn off the
screen after 10 min of no activity. This worked on the previous version of KDE
plasma on Fedora 42. As soon as I updated to the new version, the second
monitor will consistently turn off with the main monitor and then turn back on.
It does this after a fresh boot and with other programs on, and doesn't matter
if I have a program on the screen or not. And it is consistently always the
second monitor, my main monitor works just fine as far as I have observed this
issue as well as before the issue occurred. 

STEPS TO REPRODUCE
1. set dim screen to (x) time and set turn screen off (x) time.
2. Fedora 42 on KDE Plasma 6.4.0
3. 

OBSERVED RESULT
2nd screen turns off then on 
Main screen turns off and stays off until an input is registered


EXPECTED RESULT
both screens stay off until an input is registered 

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.4.0
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.14.11-300.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 24 × AMD Ryzen 9 5900X 12-Core Processor
Memory: 64 GiB of RAM (62.7 GiB usable)
Graphics Processor: AMD Radeon RX 6900 XT


ADDITIONAL INFORMATION
main screen is 1440p, 144hz , HDR on and the second screen is 1080p 75hz no HDR

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