Exactly the same issue on HP Probook 4530s. Fresh installation of Ubuntu Gnome 16.04. Need to press to powerbutton too for 5 sec to shutdown the machine. And it worked very well with Xubntu 14.04 before.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574125 Title: suspend not working after upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs