Jump to content


 


Register a free account to unlock additional features at BleepingComputer.com
Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers. Using the site is easy and fun. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged in. Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site.


Click here to Register a free account now! or read our Welcome Guide to learn how to use this site.

Photo

Extremely high DPC latency from ndis.sys


  • Please log in to reply
9 replies to this topic

#1 Fevix

Fevix

  • Members
  • 5 posts
  • OFFLINE
  •  
  • Local time:06:10 AM

Posted 24 November 2016 - 01:29 AM

I am having issues with DPC latency, with latencymon pointing the blame at ndis.sys. (According to DPC Latency Checker, my computer usually sits at just over 1000 μs, but ndis.sys often (evert 1-2 seconds) spikes up to 80,000 μs, causing the entire computer to appear frozen for a moment)

What I've tried:

  • Installing updated drivers (Little to no effect)
  • Restarting, shutting down entirely, etc. (No effect)
  • Disabling the "get updates from many places" option (SEEMS to have had a small effect, but issue still crops up much more commonly than I'd like.)

This hardware has run without an issue for ~5 years with a few upgrades (GPU, CPU, NIC) since. The issue only started earlier this week. 
 

  • OS: Win 10 Home 64 bit (Ver 1607 build 14393.447)
  • CPU: AMD FX-4350
  • RAM: 8GB DDR3
  • MB: Gigabyte GA-970A-UD3
  • GPU: NVidia GeForce GTX 760
  • NIC: Realtek RTL8192CE Wireless LAN 802.11n PCI-E NIC

msinfo32
DxDiag



BC AdBot (Login to Remove)

 


#2 FreeBooter

FreeBooter

  • Members
  • 3,137 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Turkey - Adana
  • Local time:03:10 PM

Posted 24 November 2016 - 01:47 AM

Have you install latest network card driver, you can download latest driver from network card manufacturer website.


Posted Image


#3 Fevix

Fevix
  • Topic Starter

  • Members
  • 5 posts
  • OFFLINE
  •  
  • Local time:06:10 AM

Posted 24 November 2016 - 01:52 AM

Yes, I've installed the latest available network driver, unless the ones available on Realtek's page (and the ones available via WHQL) aren't the most updated. 

 

I had some very short success by completely uninstalling the drivers and reinstalling them, but that only lasted about 10 minutes before the issues started up again.


Edited by Fevix, 24 November 2016 - 01:53 AM.


#4 FreeBooter

FreeBooter

  • Members
  • 3,137 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Turkey - Adana
  • Local time:03:10 PM

Posted 24 November 2016 - 01:59 AM

What you mean you had problem uninstalling the driver have you uninstall it from Device Manager?

Have you check for malware infection?

 

Open the Command Prompt by simply holding down the BxVxp04.png + X keys and select the option “Command Prompt (Admin)” from the menu.

 

rS4b5c0.jpg

 

Execute below command to repair any Windows missing or corrupted system files:

Sfc  /Scannow

Please give us the finish output result of the Sfc command.

 

Maybe one of the program you are using causing the issue monitor programs that are open while you test for DPC latency.


Posted Image


#5 Fevix

Fevix
  • Topic Starter

  • Members
  • 5 posts
  • OFFLINE
  •  
  • Local time:06:10 AM

Posted 24 November 2016 - 02:05 AM

I haven't had any issues uninstalling the drivers. The issue here is that the driver is causing very high DPC latency, which in turn is causing stuttering over my entire computer (It freezes for moments at a time)

 

LatencyMon points the blame for this issue solely at ndis.sys, and when I disable my network card the issue completely vanishes. (I can't LEAVE it disabled, though, because it's the only way I can connect to the internet. I also can't buy a new one, I'm poor)

 

This issue only started up earlier this week.



#6 FreeBooter

FreeBooter

  • Members
  • 3,137 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Turkey - Adana
  • Local time:03:10 PM

Posted 24 November 2016 - 02:16 AM

Issue could be cause because of faulty network card or buggy network card driver have you tried previous version of the network card driver.


Posted Image


#7 Fevix

Fevix
  • Topic Starter

  • Members
  • 5 posts
  • OFFLINE
  •  
  • Local time:06:10 AM

Posted 24 November 2016 - 02:53 AM

I was using the previous version without issue for a long time. I only updated the driver because of the issue, but the update did not resolve it.



#8 FreeBooter

FreeBooter

  • Members
  • 3,137 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Turkey - Adana
  • Local time:03:10 PM

Posted 24 November 2016 - 04:20 AM

Well issue could be failing network card.

Have you run the Sfc command also run below command.

Dism /online /cleanup-image  /restorehealth

Posted Image


#9 Fevix

Fevix
  • Topic Starter

  • Members
  • 5 posts
  • OFFLINE
  •  
  • Local time:06:10 AM

Posted 24 November 2016 - 04:29 AM

SFC didn't detect any problems, and this net card is less than 3 months old.



#10 FreeBooter

FreeBooter

  • Members
  • 3,137 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Turkey - Adana
  • Local time:03:10 PM

Posted 24 November 2016 - 05:41 AM

You should ask for malware infection checkup.


Posted Image





0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users