Verified on 4.4.0-117-generic, APST was enabled. #sudo nvme get-feature -f 0x0c -H /dev/nvme0n1
get-feature:0x0c (Autonomous Power State Transition), Current value: 0x000001 Autonomous Power State Transition Enable (APSTE): Enabled Auto PST Entries ................. Entry[ 0] ................. Idle Time Prior to Transition (ITPT): 1500 ms Idle Transition Power State (ITPS): 3 ................. Entry[ 1] ** Attachment added: "nvme-get-feature.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1664602/+attachment/5087978/+files/nvme-get-feature.log ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1664602 Title: Using an NVMe drive causes huge power drain To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1664602/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs