It seems that there is a problem with xfce environments. I have found this:
https://bugs.debian.org/cgi-bin/bugrepor...365;msg=15
or this:
https://qiita.com/cielavenir/items/bad3a62583acc088be9e
Are you on SSH?
https://bugs.debian.org/cgi-bin/bugrepor...365;msg=15
or this:
https://qiita.com/cielavenir/items/bad3a62583acc088be9e
Are you on SSH?