[Pkg-xfce-devel] Bug#878313: lightdm-gtk-greeter: laptop, external monitor, Debian 9.2 amd64 Xfce, lock screen -> 100 %CPU

Brian J. Oney brian.j.oney at googlemail.com
Wed Dec 13 13:41:58 UTC 2017

Dear David,

did you try the following workaround?

echo 'active-monitor=0' | sudo tee -a /etc/lightdm/lightdm-gtk-greeter.conf
# And the restart or:
sudo systemctl restart lightdm.service

If that doesn't work, please send the output of:
sudo tail -n 30 /var/log/lightdm/lightdm.log


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