[kde] [Bug 508711] New: The laptop shuts down (goes blank as if the kernel crashed)

[kropt]

https://bugs.kde.org/show_bug.cgi?id=508711

            Bug ID: 508711
           Summary: The laptop shuts down (goes blank as if the kernel
                    crashed)
    Classification: I don't know
           Product: kde
      Version First unspecified
       Reported In:
          Platform: Arch Linux
                OS: Other
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: SlavaCh2018 at yandex.ru
  Target Milestone: ---

We have an MSI laptop with an Intel Core i5-10500H 2.5GHz processor and an
NVIDIA GeForce RTX 3050 mobile graphics card.

STEPS TO REPRODUCE
1.  install artix linux 6-16-2-artix1-1
2. instal plasma-desktop xorg nvidia-open-dkms nvidia-utils
linux-firmware-nvidia
3. some setup 
4. startx

OBSERVED RESULT
About a minute after startx, the laptop reboots.

EXPECTED RESULT
KDE session launched, desktop open, computer functioning normally

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: artix linux 6-16-2-artix1-1
KDE Plasma Version: plasma-desktop-6.4.4.1
KDE Frameworks Version: 
Qt Version: 6

ADDITIONAL INFORMATION
There are no fatal errors in the xorg logs.
Because the kernel crashes, dmesg also shows nothing.
I tried running simple windows on Xorg and couldn't reproduce the problem, so I
decided that the issue was with kde.

I have been using KDE for two years, but after updating KDE, I can't do
anything about my laptop crashing.

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