Windows 10: Windows 10: High DPC latency ndis.sys

Discus and support Windows 10: High DPC latency ndis.sys in Windows 10 BSOD Crashes and Debugging to solve the problem; Recently, my audio has been crackling and popping and glitching, and I wanted to see what the fuss was all about. I tried everything. Until I found out... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by syndiate, May 21, 2020 at 9:27 PM.

  1. syndiate Win User

    Windows 10: High DPC latency ndis.sys


    Recently, my audio has been crackling and popping and glitching, and I wanted to see what the fuss was all about. I tried everything. Until I found out that my DPC latency was dangerously high. I ran it through the DPC Latency Checker and LatencyMon, and apparently the problem was "ndis.sys". I've literally tried EVERYTHING. Here's a list of what I've done to resolve this problem:



    • Updating drivers
    • Changing the power plan
    • Disabling the dynamic ticking
    • Updating the graphics cards drivers
    • Disabling Firewall
    • Disabling IPv6
    • Uninstalling Bonjour
    • Disabling Energy Efficient Ethernet
    • Disabling/re-enabling drivers
    • Adding PerfLevelSrc, PowerMizerEnable, PowermizerLevel, and PowermizerLevelAC values to Registry Editor
    • Uninstalling antivirus software
    • Modifying the "Start" value in the Registry Editor's value to 4

    UPDATE: Recently, the DPC latency has declined, which is good, however it still sometimes has latency-spikes and I still don't have proper DPC latency.


    DPC latency updated:


    Windows 10: High DPC latency ndis.sys 6239bb93-1397-49f9-815d-6b930532b8f4?upload=true.png

    :)
     
  2. 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.
     
  3. Windows 10 High Dpc Latency

    Windows 10 High Dpc Latency please help me someone
     
  4. Windows 10: High DPC latency ndis.sys

    Windows 10 High Dpc Latency

    I believe DPC Latency Checker does not support WIN 10. Please try LatencyMon and check.

    I had this issue so thought of sharing.
     
Thema:

Windows 10: High DPC latency ndis.sys

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