Windows 10: DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.)

Discus and support DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.) in Windows 10 Performance & Maintenance to solve the problem; Hi! December 2019 I decided to get a new Alienware M15 R2 with the following specs (I reinstalled Windows 10 yesterday): Code: Computer: Alienware... Discussion in 'Windows 10 Performance & Maintenance' started by VirtualBoost, Oct 8, 2020.

  1. DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.)


    Hi!

    December 2019 I decided to get a new Alienware M15 R2 with the following specs (I reinstalled Windows 10 yesterday):

    Code:
    Ever since I got my new Astro A40 TR headset, I started to notice that I could get "cracks" and "pops" in the sound when gaming. The only thing that fixed this (temporarily only though) is to unplug and then replug the headset in the machine. At first I thought it was something related to the headset and/or audio jack, however, I have noticed that my computer is plagued by DPC latency issues.

    The ones that I seem to see the most are the following:

    • storport.sys
    • nvlddmkm.sys
    • Wdf01000.sys
    • dxgkrnl.sys
    • ndis.sys

    It seems that these tend to spike really high, probably storport.sys the most, followed by dxgkrnl.sys. I have tried numerous of solutions/fixes, such as the one found in this thread (but didn't help): Windows 10 audio clicks,pops,stutters. storport latency issues? HELP?

    I have also tried to strip the Nvidia driver (using NVCleanstall) so that I only have the absolutely necessary things from it. This seemed to help a little but not all.

    Below you can see the log from LatencyMon:

    Code:
    As well as the Drivers tab:


    DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.) [​IMG]


    Is there anything else I could try? I have the Windows Performance Recorder ready to go but I'm unsure on what to select when I do a log trace..

    Any help is greatly appreciated!

    Best regards,

    :)
     
    VirtualBoost, Oct 8, 2020
    #1

  2. DPC Latency with Storport.sys and Wdf0 1000.sys

    I have one Storage Controller here is what the Drivers say


    DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.) [​IMG]
     
    BradShoemaker, Oct 8, 2020
    #2
  3. DPC Latency with Storport.sys and Wdf0 1000.sys

    Like this? It appears "Standard SATA AHCI Controller"


    DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.) [​IMG]
     
    BradShoemaker, Oct 8, 2020
    #3
  4. arachnaut Win User

    DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.)

    DPC Latency with Storport.sys and Wdf0 1000.sys

    I'm afraid it is not that easy - that is a special MS port for Storage Spaces.
    You need to open the CPU branch and look at each port:

    DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.) [​IMG]
     
    arachnaut, Oct 8, 2020
    #4
Thema:

DPC Latency problem (Storport.sys, nvlddmkm.sys, dxgkrnl.sys, etc.)

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