(In reply to blffkyzp from comment #15)
> I am a normal user. Can you post the command lines i have to run as root or
> user?

I'm not familiar with the Linux distro you're using, please get help for this
from somebody who is.

> You also asked if the bug also occur with DRI3 disabled - can you give me
> the command line to run as root or user to disable this DRI3 thing?

Find the file in /usr/share/X11/xorg.conf.d/ or /etc/X11/xorg.conf.d/ which
contains

 Option "DRI3" "1"

and change it to "0".