Over(under)clocking nvs 140m

[tier]

Hey there, since 16* Series iirc i can no longer overclock or under clock my NVS 140m, neither with nvclock, nor with nvidia-settings.
When i lower the clockspeed of the gpu or memory, the system hangs for e few sec and then clockspeed is back to default.

I have some Xid's in my dmesg, i dont know if they have anything to do with that.

NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 36,  L0 -> L0
NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002
NVRM: Xid (0001:00): 13, 007e 00000000 00005039 00000328 00000000 00000002

Is anyone else encountering this? Any solution? i doubt one needs a report file for that..

[tier]

Push.

Isn't there anyone who tried this? I cannot believe that since here are many around with driver problems with their nvs140m...