I went ahead and applied the nvme_core.default_ps_max_latency_us=0
kernel parameter to grub default yesterday (Based on this issue reported
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184)
However, I just ran into the freeze again. System was unattended for a
while and I see the login screen with all the icons blanked out.
sudo nvme id-ctrl /dev/nvme0
NVME Identify Controller:
vid : 0x15b7
ssvid : 0x15b7
sn : 205135806243
mn : WDC PC SN530 SDBPMPZ-512G-1101
fr : 21160001
rab : 4
ieee : 001b44
cmic : 0
mdts : 7
cntlid : 0x1
ver : 0x10400
rtd3r : 0x7a120
rtd3e : 0xf4240
oaes : 0x200
ctratt : 0x2
rrls : 0
cntrltype : 1
fguid :
crdt1 : 0
crdt2 : 0
crdt3 : 0
oacs : 0x17
acl : 4
aerl : 7
frmw : 0x14
lpa : 0x1e
elpe : 255
npss : 4
avscc : 0x1
apsta : 0x1
wctemp : 353
cctemp : 358
mtfa : 50
hmpre : 51200
hmmin : 823
tnvmcap : 512110190592
unvmcap : 0
rpmbs : 0
edstt : 57
dsto : 1
fwug : 1
kas : 0
hctma : 0x1
mntmt : 273
mxtmt : 358
sanicap : 0x60000002
hmminds : 0
hmmaxd : 8
nsetidmax : 0
endgidmax : 0
anatt : 0
anacap : 0
anagrpmax : 0
nanagrpid : 0
pels : 1
sqes : 0x66
cqes : 0x44
maxcmd : 0
nn : 1
oncs : 0x5f
fuses : 0
fna : 0
vwc : 0x7
awun : 0
awupf : 0
nvscc : 1
nwpc : 0
acwu : 0
sgls : 0
mnan : 0
subnqn : nqn.2018-01.com.wdc:guid:E8238FA6BF53-0001-001B448B484DAFF7
ioccsz : 0
iorcsz : 0
icdoff : 0
ctrattr : 0
msdbd : 0
ps 0 : mp:3.50W operational enlat:0 exlat:0 rrt:0 rrl:0
rwt:0 rwl:0 idle_power:0.6300W active_power:2.10W
ps 1 : mp:2.40W operational enlat:0 exlat:0 rrt:0 rrl:0
rwt:0 rwl:0 idle_power:0.6300W active_power:1.60W
ps 2 : mp:1.90W operational enlat:0 exlat:0 rrt:0 rrl:0
rwt:0 rwl:0 idle_power:0.6300W active_power:1.50W
ps 3 : mp:0.0250W non-operational enlat:3900 exlat:11000 rrt:3 rrl:3
rwt:3 rwl:3 idle_power:0.0250W active_power:-
ps 4 : mp:0.0050W non-operational enlat:5000 exlat:39000 rrt:4 rrl:4
rwt:4 rwl:4 idle_power:0.0050W active_power:-
===========================================
===========================================
sudo nvme get-feature -f 0x0c -H /dev/nvme0n1
get-feature:0xc (Autonomous Power State Transition), Current value:00000000
Autonomous Power State Transition Enable (APSTE): Disabled
Auto PST Entries .................
Entry[ 0]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 1]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 2]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
Entry[ 3]
.................
Idle Time Prior to Transition (ITPT): 0 ms
Idle Transition Power State (ITPS): 0
.................
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
.................
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https://bugs.launchpad.net/bugs/1927866
Title:
Root filesystem becomes readonly frequenty freezing system
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