Windows tearing when moving them or scrolling through pages


video of the problem: - (1.9 MB)

nvidia-drivre-455 is installed:

$ inxi -G
Graphics: Device-1: Intel UHD Graphics 620 driver: i915 v: kernel Device-2: NVIDIA GP108M [GeForce MX150] driver: nvidia v: 455.45.01 Device-3: Chicony HD WebCam type: USB driver: uvcvideo Display: x11 server: X.Org 1.20.8 driver: modesetting,nvidia resolution: 1920x1080~60Hz OpenGL: renderer: GeForce MX150/PCIe/SSE2 v: 4.6.0 NVIDIA 455.45.01

and some info:

  • set this to run in startup application preferences :
    $ nvidia-settings --assign CurrentMetaMode="nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"

  • $ cat /etc/X11/xorg.conf
    cat: /etc/X11/xorg.conf: No such file or directory

  • $ nvidia-settings -d -q xscreens -V all
    1 X Screen on Leo:1

      [0] Leo:1.0 (GeForce MX150)
        Has the following name:
        Is driven by the following GPU:
          Leo:1[gpu:0] (GeForce MX150)
        Is not assigned any Display Device.

could anyone help me through this ?
thank you

You’ll have to enable PRIME sync, e.g. by adding the kernel parameter
if that doesn’t help, please run as root and attach the resulting nvidia-bug-report.log.gz file to your post.