Maybe unrelated, but you are using an unsupported and deprecated "intel" Xorg driver which is known to be buggy. Please uninstall that:
sudo apt remove xserver-xorg-video-intel and remove any custom Xorg config files that were requesting the use of the old "intel" driver. ** Summary changed: - Graphical session frozen after wake from sleep and cannot be resumed + X11 graphical session frozen after wake from sleep and cannot be resumed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2094849 Title: X11 graphical session frozen after wake from sleep and cannot be resumed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2094849/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
