Comment 87 for bug 1678184

Hi Same issue with a Lenovo X1 yoga with 512ssd

sudo nvme list
Node SN Model Namespace Usage Format FW Rev
---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- --------
/dev/nvme0n1 S2CYNAAH200772 SAMSUNG MZVKV512HAJH-000L1 1 170.68 GB / 512.11 GB 512 B + 0 B 6L0QBXX7

marco@placebo:~$ sudo nvme id-ctrl /dev/nvme0
NVME Identify Controller:
vid : 0x144d
ssvid : 0x144d
sn : S2CYNAAH200772
mn : SAMSUNG MZVKV512HAJH-000L1
fr : 6L0QBXX7
rab : 2
ieee : 002538
cmic : 0
mdts : 5
cntlid : 1
ver : 0
rtd3r : 0
rtd3e : 0
oaes : 0
oacs : 0x7
acl : 7
aerl : 3
frmw : 0x6
lpa : 0x1
elpe : 63
npss : 4
avscc : 0x1
apsta : 0x1
wctemp : 0
cctemp : 0
mtfa : 0
hmpre : 0
hmmin : 0
tnvmcap : 0
unvmcap : 0
rpmbs : 0
sqes : 0x66
cqes : 0x44
nn : 1
oncs : 0x1f
fuses : 0
fna : 0
vwc : 0x1
awun : 255
awupf : 0
nvscc : 1
acwu : 0
sgls : 0
subnqn :
ps 0 : mp:6.50W operational enlat:5 exlat:5 rrt:0 rrl:0
          rwt:0 rwl:0 idle_power:- active_power:-
ps 1 : mp:6.40W operational enlat:30 exlat:30 rrt:1 rrl:1
          rwt:1 rwl:1 idle_power:- active_power:-
ps 2 : mp:3.60W operational enlat:100 exlat:100 rrt:2 rrl:2
          rwt:2 rwl:2 idle_power:- active_power:-
ps 3 : mp:0.0700W non-operational enlat:500 exlat:5000 rrt:3 rrl:3
          rwt:3 rwl:3 idle_power:- active_power:-
ps 4 : mp:0.0050W non-operational enlat:2000 exlat:22000 rrt:4 rrl:4
          rwt:4 rwl:4 idle_power:- active_power:-
marco@placebo:~$

sudo nvme get-feature -f 0x0c -H /dev/nvme0n1
get-feature:0xc (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): 275 ms
 Idle Transition Power State (ITPS): 3
 .................
 Entry[ 1]
 .................
 Idle Time Prior to Transition (ITPT): 275 ms
 Idle Transition Power State (ITPS): 3
 .................
 Entry[ 2]
 .................
 Idle Time Prior to Transition (ITPT): 275 ms
 Idle Transition Power State (ITPS): 3
 .................
 Entry[ 3]
 .................
 Idle Time Prior to Transition (ITPT): 1200 ms
 Idle Transition Power State (ITPS): 4
 .................
 Entry[ 4]
 .................
 Idle Time Prior to Transition (ITPT): 0 ms
 Idle Transition Power State (ITPS): 0
 .................
# there are 16 Entries all like Entry[4]