Not sure if this applies here, but I have seen that when powersaved was active but I suspended the machine manually (i.e. not with powersave utility but for example s2ram directly).
-- Resuming from S3 suspend causes a reboot https://launchpad.net/bugs/86099 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
