Comment 11 for bug 1805816

Thanks for following up - we can close this bug, I no longer have this issue. I have attached info just for the record. I upgraded my system BIOS and the problems went away.

$ sudo nvme id-ctrl /dev/nvme0
[sudo] password for ian:
NVME Identify Controller:
vid : 0x144d
ssvid : 0x144d
sn : S2FZNYAG801690
mn : PM951 NVMe SAMSUNG 1024GB
fr : BXV76D0Q
rab : 2
ieee : 002538
cmic : 0
mdts : 5
cntlid : 1
ver : 0
rtd3r : 0
rtd3e : 0
oaes : 0
ctratt : 0
oacs : 0x17
acl : 7
aerl : 3
frmw : 0x6
lpa : 0
elpe : 63
npss : 4
avscc : 0x1
apsta : 0x1
wctemp : 0
cctemp : 0
mtfa : 0
hmpre : 0
hmmin : 0
tnvmcap : 0
unvmcap : 0
rpmbs : 0
edstt : 35
dsto : 0
fwug : 0
kas : 0
hctma : 0
mntmt : 0
mxtmt : 0
sanicap : 0
hmminds : 0
hmmaxd : 0
sqes : 0x66
cqes : 0x44
maxcmd : 0
nn : 1
oncs : 0x1f
fuses : 0
fna : 0
vwc : 0x1
awun : 255
awupf : 0
nvscc : 1
acwu : 0
sgls : 0
subnqn :
ioccsz : 0
iorcsz : 0
icdoff : 0
ctrattr : 0
msdbd : 0
ps 0 : mp:6.00W operational enlat:5 exlat:5 rrt:0 rrl:0
          rwt:0 rwl:0 idle_power:- active_power:-
ps 1 : mp:4.20W operational enlat:30 exlat:30 rrt:1 rrl:1
          rwt:1 rwl:1 idle_power:- active_power:-
ps 2 : mp:3.10W 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:-

$ uname -a
Linux ian-XPS-15-9550 4.19.8-041908-generic #201812080831 SMP Sat Dec 8 13:34:18 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

System BIOS was upgraded to 1.9.0 - I believe this is the thing that fixed the NVMe issues.

Thanks for following up, please feel free to close the bug if you have the details you need (and hopefully these will help someone else).