This problem appears again in XPS 13 9343 (sputnik 2015 edition), on stock Ubuntu 15.04:
Linux laminato 3.19.0-16-generic #16-Ubuntu SMP Thu Apr 30 16:09:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux I'm using EFI boot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1161962 Title: XPS 13 wakes up from suspend spontaneously To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1161962/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs