After upgrading packages (and kernel to 4.4.0-11-generic), the problem persists.
However, there seems to be a workaround : booting with the nomodeset option allows to hibernate and resume properly. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1554509 Title: Screen remains black after resume from hibernation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1554509/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs