Confirmed on Xubuntu 14.04 on Dell Inspiron 3521, which has a dual GPU (Intel/AMD). Removing light-locker and installing xscreensaver (I already had it installed -- probably had it since 13.04?) is a successful workaround.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1303736 Title: Black screen after login from suspend in Xubuntu 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/xfce4-power-manager/+bug/1303736/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs