https://bugs.kde.org/show_bug.cgi?id=462280

            Bug ID: 462280
           Summary: kwin (wayland) completely freezes when plugging in
                    external screen
    Classification: Plasma
           Product: kwin
           Version: 5.26.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: p...@ralfj.de
  Target Milestone: ---

SUMMARY

I have a dual-GPU-laptop, where external screens are driven by the NVidia GPU.

Sometimes when I plug in the external screen while watching a Youtube video
full-screen (in Firefox), the entire system just freezes. The sound keeps
playing, but the machine becomes entirely unresponsive to inputs. I cannot even
switch to a virtual terminal, I have to use SysRq keys to hard-reboot the
machine.


SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux
KDE Plasma Version: 5.26.3
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Kernel Version: 6.0.0-4-amd64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Xeon® CPU E3-1505M v5 @ 2.80GHz
Memory: 31,2 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics P530
Manufacturer: LENOVO
Product Name: 20ENCTO1WW
System Version: ThinkPad P50

ADDITIONAL INFORMATION

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