Black Screen After Suspend in KDE

Problem Description:

After installing Manjaro, when I use the suspend button or execute systemctl suspend and then wake up the system, I get a black screen. Only the mouse cursor is visible, and I cannot see the desktop. However, if the system automatically turns off the screen after being idle for a while, I can wake up normally. After wake up this is “kwin: Desktop effects have been restarted due to graphics reset.”

Some potentially useful information:

  1. I am using a dual-boot setup, with Manjaro and Windows 11 installed on separate SSDs, but they share the same EFI. Also, I have a dual monitor setup.
  2. My system information for Manjaro is as follows:
  • Operating System: Manjaro Linux
  • KDE Plasma Version: 6.3.5
  • KDE Frameworks Version: 6.14.0
  • Qt Version: 6.9.0
  • Kernel Version: 6.12.28-1-MANJARO (64-bit)
  • Graphics Platform: X11
  • Processors: 24 × Intel® Core™ i7-14650HX
  • Memory: 31.1 GiB of RAM
  • Graphics Processor: NVIDIA GeForce RTX 4060 Laptop GPU
  • Manufacturer: MECHREVO
  • Product Name: Yaoshi16Pro Series GM6IX0B
  • Graphics Driver Version: Closed-source 570.144
  • Swap Partition Size: 40GB

My Guess:
I suspect this might be related to the graphics card. There is an indicator light on my laptop that shows the status of the display card. When I suspend in Windows or when Manjaro turns off the display, the light stays on. However, when I execute systemctl suspend, the light turns off, and it lights up again once I wake up the system.

Thank you to anyone who can help! If additional information is needed, feel free to ask. I’m a newbie to Manjaro.

there are plenty of recent threads regarding this issue(with possible solutions).
for me switching to Wayland fixed it.

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Sorry, but i need nvidia in manjaro, so i should use x11

i didn’t see you have a Laptop,
doesn’t Wayland work on Laptops with NVIDIA?
cause I’m on a Desktop with an NVIDIA card.

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This isn’t necessarily true - and it would only take one minute to log out and log in again with a Wayland session… It makes no sense not to try it.

Plenty of folks use nVidia on Wayland - and not everyone’s issues exist for all users…

Wayland also works well with newer nVidia drivers… though X11 should be more stable.

For Wayland, I believe you should force GBM (nvidia-drm.modeset=1 added to kernel parameters in /etc/default/grub).

It might pay also to use env __GLX_VENDOR_LIBRARY_NAME=nvidia for some apps.

There are possible differences - and there’s no better way to find out than ‘suck it and see’. Laptop chips are generally more efficiency oriented, whilst Desktops should be better cooled and suited to higher performance for the same price point/model.

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Please provide system information as described (below). :eyes:

Regards.


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inxi --filter --verbosity=8

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inxi -zv8

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thanks you, I will read this before me next post

You are right. I switched from X11 to Wayland, and the issue was resolved. Sometimes we really just have to try things first.

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