Author Topic: High CPU load caused by NAS power management driver  (Read 1396 times)

mgymnop

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High CPU load caused by NAS power management driver
« on: January 16, 2019, 12:37:27 pm »
Is there a fix to avoid the high CPU load caused by the NAS power management driver? It uses 50% of my CPU constantly. I can kill the process manually but that's not a long-term solution. I run Windows 10 with newest version of NAS navigator 2.

Texturtle

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Re: High CPU load caused by NAS power management driver
« Reply #1 on: January 16, 2019, 01:19:21 pm »
I'm not aware of a NAS power management drive that gets installed in Windows 10 by any Buffalo device, what NAS do you have?

mgymnop

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Re: High CPU load caused by NAS power management driver
« Reply #2 on: January 16, 2019, 02:05:49 pm »
I have a LS210D.

The driver is this: C:\Program Files (x86)\BUFFALO\NASNAVI\nassvc.exe -Service_Execute -dcyc=290 -dto=5 -dluc=0 -dmin=1 -dmax=2 -dflc=0 -apc=0 -log=0 -pm=1 -pall=1 -phttp=0 -pbc=0 -ppro=0 -pcyc=150 -pmin=1 -pmax=2 -pflc=0

And the Task manager service is called NAS Power management service.


Texturtle

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Re: High CPU load caused by NAS power management driver
« Reply #3 on: January 16, 2019, 02:17:25 pm »
I hadn't noticed that before, probably because on the dozen or so systems that I have NAS Navigator installed on it's never been a CPU hog. Try uninstalling/reinstalling NAS Navigator. If you haven't done so, download the latest version from the Buffalo website.

mgymnop

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Re: High CPU load caused by NAS power management driver
« Reply #4 on: January 16, 2019, 02:36:06 pm »
Thank you, I will try that.

Update: Uninstalled the program and re-installed NAS navigator 2. Same high CPU load started again randomly.
I disabled now the service completely.

Marco
« Last Edit: January 16, 2019, 06:41:20 pm by mgymnop »

oharridge

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Re: High CPU load caused by NAS power management driver
« Reply #5 on: April 02, 2019, 03:37:00 am »
This also happens to me. Usually when my computer wakes from sleep

JonStu295

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Re: High CPU load caused by NAS power management driver
« Reply #6 on: April 09, 2019, 04:40:36 pm »
I have exactly this problem, too. Win10 1809, Buffalo NASnavi version 2.76.

The "NAS Power Management" service runs at 50% CPU on my laptop, draining the battery and causing the CPU fan to blow hard. I've set the service to Manual and stopped it, to see if it stays quiet now.