I have the same issue on XPS 13 9300 with Ubuntu 18.04. Answering @kaihengfeng's question: with s2idle it works just fine from waking up perspective but as Mikhail mentioned it drains battery a lot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1807155 Title: Laptop doesn't wake up from deep sleep. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1807155/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
