The issue seems to be the power state of the monitor. Full report at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=801146
** Bug watch added: Debian Bug tracker #801146 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=801146 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1493921 Title: X server fails to set correct mode on resume from sleep (NVIDIA: Setting a mode on head 0 failed: An invalid mode was requested) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1493921/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp