I can confirm that removing intel-microcode package restores suspending to ram functionality. Also see: https://askubuntu.com/questions/967561/xps15-fails-to-suspends-after-upgrade-to-ubuntu-17-10
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746438 Title: Suspend to ram stopped working reliably on XPS 9350 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1746438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
