It looks like a bug in an old driver, possibly relating only to old video cards. So a fix is unlikely to arrive in that particular driver version.
You might want to try uninstalling the Nvidia driver version 390 and then either:
* Do nothing -- the built-in open source driver should work; or
* sudo apt install nvidia-driver-435
It looks like a bug in an old driver, possibly relating only to old video cards. So a fix is unlikely to arrive in that particular driver version.
You might want to try uninstalling the Nvidia driver version 390 and then either:
* Do nothing -- the built-in open source driver should work; or
* sudo apt install nvidia-driver-435