@ochosi ok, i have added the ppa you suggested and now instead of a black screen i get this pajama striped screen you can see in the attached photo. i can still go to VC and do "service lightdm restart" to login into a fresh xfce...
** Attachment added: "pajama after unlock" https://bugs.launchpad.net/ubuntu/+source/light-locker/+bug/1320989/+attachment/4125492/+files/SNV36207.JPG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320989 Title: black screen after longer screen lock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/light-locker/+bug/1320989/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs