Just about the only thing that would call hdparm on resuming is /usr/lib /pm-utils/sleep.d/95hdparm-apm . So this is a consequence of not using pm-utils any more, and hdparm now needs to ship a hook in /lib/systemd /system-sleep/ in addition (or instead).
** Changed in: hdparm (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1448542 Title: /etc/hdparm.conf is ignored after resuming from hibernation or sleep in 15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/hdparm/+bug/1448542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs