Bug#924704:

[Danfun360]

In case you don't want to click on the Github link (which for some reason
has an additional space that needs to be removed before entering it on your
URL bar), here is the bumblebee-bugreport.
https://github.com/Bumblebee-Project/Bumblebee/files/2973323/bumblebee-bugreport-20190315_204845.tar.gz