Windows 10: DPC and NDIS.sys issue.

Discus and support DPC and NDIS.sys issue. in Windows 10 Gaming to solve the problem; Hi,I use an acer Aspire 3 laptop with an intel core i7 and run-on windows 10.I ran a test on LatencyMon as I had been having issues when recording... Discussion in 'Windows 10 Gaming' started by JoshUT, Jan 23, 2022.

  1. JoshUT Win User

    DPC and NDIS.sys issue.


    Hi,I use an acer Aspire 3 laptop with an intel core i7 and run-on windows 10.I ran a test on LatencyMon as I had been having issues when recording music on my laptop. The results said I had a big DPC count/ issue and there was especially an issue with my NDIS.sys. I have reinstalled/updated drivers and tried turning off network settings but the problem hasn't improved. Below I have attached a recent LatencyMon test. I have no idea how to solve this issue and really need to record these songs so any help would be much appreciated. Thank you.CONCLUSION____________________________________________

    :)
     
    JoshUT, Jan 23, 2022
    #1
  2. JonAPC Win User

    Windows 10 DPC latency issue with ndis & tcpip.sys

    I've been fighting this DPC issues for years and doing a google search for something regarding DPC, but I found a simple fix. The problem was when I installed AVG. DPC didn't start right away (it took months) then I started doing all the disable this and
    that and no solution. So, I decided to start tracking down programs (applications/software) and AVG was one of the programs that would cause DPC issues.

    I found a website regarding NDIS DPC issues with antiviruses with firewalls. First I tried disabling Web protection and Firewall and restarted and it lasted a week (normally 3 days) before DPC started. I went back to the site and found a solution that fixed
    my problem, it told me this,

    Press Windows+R.

    Typed NCPA.CPL

    Right click on your ethernet and clicked Properties

    Untick AVG network filter driver

    Clicked OK

    Restart

    2 weeks late, no issues. 0.

    I re-enabled web protection and firewall and still no issues.
     
    JonAPC, Jan 23, 2022
    #2
  3. ErmineMD Win User
    Windows 10 DPC latency issue with ndis & tcpip.sys

    Your code and my recent
    CrazyPingTest3
    trigger DPC latency issue of tcpip.sys after a couple of runs. Like you said.

    One run of your code, one run of CrazyPingTest3 or infinite run of my infinite pings (original
    CrazyPingTest) cause just 0.5 to 1 ms latency.

    But! If I add a 50 ms sleep before starting a new thread, there is no latency at all. See my
    CrazyPingTest3). There is a commented line.

    And if I add Thread.Sleep(50); before your

    p.SendAsync(ip, 1000, ip);

    I see no DPC latency too.

    And thank you for the link!

    Upd. Oh, I was wrong. I made some more runs and had a DPC latency.

    And I’m here because of “windows 10 ndis high dpc” issue too.
     
    ErmineMD, Jan 23, 2022
    #3
  4. DPC and NDIS.sys issue.

    Wdf01000.sys causing DPC and audio is cracking

    Is it possible that my internet provider to be causing the high DPC? Because I switched to a different provider some time around the issue started to occur? NDIS suddenly has high again. https://i.imgur.com/WNMrY4C.png
     
    pixelated_, Jan 23, 2022
    #4
Thema:

DPC and NDIS.sys issue.

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