No proper power management

[Adam Morawski]

nvme shows that power management is enabled and device is most of the time in power state 4, but disk get hot (+50.9°C) and drains battery. The same disk has much lower temperatures (about 35C, similar to mainboard) when running Kubuntu 23.10

root@nevo:~# uname -a
Linux nevo 6.8.0-31-generic #31-Ubuntu SMP PREEMPT_DYNAMIC Sat Apr 20 00:40:06 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
root@nevo:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 24.04 LTS
Release: 24.04
Codename: noble
root@nevo:~# nvme list
Node Generic SN Model Namespace Usage Format FW Rev
--------------------- --------------------- -------------------- ---------------------------------------- ---------- -------------------------- ---------------- --------
/dev/nvme0n1 /dev/ng0n1 50026B7686B2B506 KINGSTON SKC3000S1024G 0x1 1.02 TB / 1.02 TB 512 B + 0 B EIFK51.2
root@nevo:~# nvme fw-log /dev/nvme0
Firmware Log for device:nvme0
afi : 0x1
frs1 : 0x322e31354b464945 (EIFK51.2)
root@nevo:~# nvme get-feature -f 0x0c -H /dev/nvme0n1
get-feature:0x0c (Autonomous Power State Transition), Current value:0x00000001
        Autonomous Power State Transition Enable (APSTE): Enabled
        Auto PST Entries .................
        Entry[ 0]
        .................
        Idle Time Prior to Transition (ITPT): 100 ms
        Idle Transition Power State (ITPS): 4
        .................
        Entry[ 1]
        .................
        Idle Time Prior to Transition (ITPT): 100 ms
        Idle Transition Power State (ITPS): 4
        .................
        Entry[ 2]
        .................
        Idle Time Prior to Transition (ITPT): 100 ms
        Idle Transition Power State (ITPS): 4
        .................
        Entry[ 3]
        .................
        Idle Time Prior to Transition (ITPT): 100 ms
        Idle Transition Power State (ITPS): 4
        .................
        Entry[ 4]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[ 5]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[ 6]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[ 7]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[ 8]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[ 9]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[10]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[11]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[12]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[13]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[14]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[15]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[16]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[17]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[18]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[19]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[20]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[21]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[22]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[23]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[24]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[25]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[26]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[27]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[28]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[29]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[30]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
        Entry[31]
        .................
        Idle Time Prior to Transition (ITPT): 0 ms
        Idle Transition Power State (ITPS): 0
        .................
root@nevo:~# nvme get-feature -f 0x02 -H /dev/nvme0n1
get-feature:0x02 (Power Management), Current value:0x00000004
        Workload Hint (WH): 0 - No Workload
        Power State (PS): 4

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: nvme-cli 2.8-1build2
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
ApportVersion: 2.28.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sun Apr 28 22:25:14 2024
InstallationDate: Installed on 2024-04-27 (1 days ago)
InstallationMedia: Kubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240425.1)
SourcePackage: nvme-cli
UpgradeStatus: No upgrade log present (probably fresh install)