Per #51... The offender appears to be Smart Connect. Smart Connect Enabled, TPM disabled, Rapid Start disabled. System resumed after 24 hours, 5 seconds:
Thu May 22 19:46:27 MDT 2014: performing suspend Fri May 23 19:46:33 MDT 2014: Awake. Happy to test anything else or investigate the lack of the "Disabling Intel Smart Connect" message in #50 if it'll help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1318477 Title: [Dell XPS 15 9530] Wakes from sleep after exactly 24 hours + 3-5 seconds To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1318477/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs