[Bug 2038305] [NEW] keyboard input not working with any input window widget

Public bug reported: The problem happens randomly and every time it keeps for one or two minutes. During that period, keyboard input gets stuck in any window text input widgets, for example, typing letters, enter key, backspace, and moving input cursor with arrow keys. But with other window

[Bug 1905648] Re: [nvidia] fractional display scale cannot work properly

I just reproduced the problem. One more detail I want to say, both my builtin display and the external monitor's resolution are 1920x1080 ** Attachment added: "the output of 'xrandr --verbose > xrandr2.txt'"