Fair enough. Thanks for the information. I just rebooted into 4.13.0-21-generic. Either it's a lucky boot in which suspend works, or the issue has been resolved.
For those interested, the value of /sys/power/mem_sleep (after a clean boot, suspended once) is: s2idle [deep] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1738224 Title: Suspend broken after kernel upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1738224/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
