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  1. #1

    [W10ProV1703b15063 x64] DPC & CPU throttling

    Hello, Hello, I have Intel nuc intel nuc6i7kyk, but I can't get nice results in latencymon.

    I use Intel SSD 600p Series (256GB) and Ballistix Sport LT 8GB Kit (2 x 4GB) DDR4-2400 SODIMM. I use only external usb audiointerface RME Babyface Pro and mouse

    I have problems with CPU throttling.What I have done:
    -Disabled Turbo boost in Bios
    -Disabled Speedstep in Bios
    -Disabled Speedshift in Bios
    -Disabled HyperThreading
    -Changed Power plan to High performance
    -Disabled core parking
    -Disabled Visual Effects
    -Processor Scheduling set to "Background services"

    What I do wrong?


    CONCLUSION
    _________________________________________________________________________________________________________
    Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
    LatencyMon has been analyzing your system for 1:50:30 (h:mm:ss) on all processors.




    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name: WINDOWS-0C76TF1
    OS version: Windows 10 , 10.0, build: 15063 (x64)
    Hardware: Intel Corporation, NUC6i7KYB
    CPU: GenuineIntel Intel(R) Core(TM) i7-6770HQ CPU @ 2.60GHz
    Logical processors: 4
    Processor groups: 1
    RAM: 8081 MB total




    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed: 2592 MHz


    Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.




    _________________________________________________________________________________________________________
    MEASURED INTERRUPT TO USER PROCESS LATENCIES
    _________________________________________________________________________________________________________
    The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.


    Highest measured interrupt to process latency (Ás): 2385.381774
    Average measured interrupt to process latency (Ás): 1.902423


    Highest measured interrupt to DPC latency (Ás): 2384.196589
    Average measured interrupt to DPC latency (Ás): 0.632656




    _________________________________________________________________________________________________________
    REPORTED ISRs
    _________________________________________________________________________________________________________
    Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.


    Highest ISR routine execution time (Ás): 22.108025
    Driver with highest ISR routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation


    Highest reported total ISR routine time (%): 0.004661
    Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation


    Total time spent in ISRs (%) 0.004661


    ISR count (execution time <250 Ás): 4240452
    ISR count (execution time 250-500 Ás): 0
    ISR count (execution time 500-999 Ás): 0
    ISR count (execution time 1000-1999 Ás): 0
    ISR count (execution time 2000-3999 Ás): 0
    ISR count (execution time >=4000 Ás): 0




    _________________________________________________________________________________________________________
    REPORTED DPCs
    _________________________________________________________________________________________________________
    DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.


    Highest DPC routine execution time (Ás): 132.445988
    Driver with highest DPC routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation


    Highest reported total DPC routine time (%): 0.079738
    Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation


    Total time spent in DPCs (%) 0.141988


    DPC count (execution time <250 Ás): 24645659
    DPC count (execution time 250-500 Ás): 0
    DPC count (execution time 500-999 Ás): 0
    DPC count (execution time 1000-1999 Ás): 0
    DPC count (execution time 2000-3999 Ás): 0
    DPC count (execution time >=4000 Ás): 0




    _________________________________________________________________________________________________________
    REPORTED HARD PAGEFAULTS
    _________________________________________________________________________________________________________
    Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.




    Process with highest pagefault count: none


    Total number of hard pagefaults 0
    Hard pagefault count of hardest hit process: 0
    Highest hard pagefault resolution time (Ás): 0.0
    Total time spent in hard pagefaults (%): 0.0
    Number of processes hit: 0




    _________________________________________________________________________________________________________
    PER CPU DATA
    _________________________________________________________________________________________________________
    CPU 0 Interrupt cycle time (s): 73.923933
    CPU 0 ISR highest execution time (Ás): 22.108025
    CPU 0 ISR total execution time (s): 1.235989
    CPU 0 ISR count: 4240441
    CPU 0 DPC highest execution time (Ás): 132.445988
    CPU 0 DPC total execution time (s): 34.547614
    CPU 0 DPC count: 23228920
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s): 15.900704
    CPU 1 ISR highest execution time (Ás): 1.996914
    CPU 1 ISR total execution time (s): 0.000008
    CPU 1 ISR count: 11
    CPU 1 DPC highest execution time (Ás): 47.093364
    CPU 1 DPC total execution time (s): 0.749178
    CPU 1 DPC count: 445196
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s): 15.262867
    CPU 2 ISR highest execution time (Ás): 0.0
    CPU 2 ISR total execution time (s): 0.0
    CPU 2 ISR count: 0
    CPU 2 DPC highest execution time (Ás): 46.881173
    CPU 2 DPC total execution time (s): 0.741643
    CPU 2 DPC count: 416258
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s): 16.201639
    CPU 3 ISR highest execution time (Ás): 0.0
    CPU 3 ISR total execution time (s): 0.0
    CPU 3 ISR count: 0
    CPU 3 DPC highest execution time (Ás): 52.215278
    CPU 3 DPC total execution time (s): 1.616672
    CPU 3 DPC count: 555285
    _________________________________________________________________________________________________________


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  2. #2
    writhziden's Avatar
    Join Date
    May 2012
    Location
    Colorado
    Posts
    2,328
    • specs System Specs
      • Manufacturer:
        Sony
      • Model Number:
        VPCF232FX/B
      • Motherboard:
        Sony Corporation VAIO
      • CPU:
      • Memory:
        8.00 GB Crucial CT2KIT51264BF1339 DDR3 1333
      • Graphics:
      • Sound Card:
        Realtek High Definition Audio/nVidia High Definition Audio
      • Hard Drives:
        TOSHIBA MK5061GSY 500 GB (465 GB actual)
      • Case:
        Laptop black matte case with backlit keyboard
      • Cooling:
        Air cooling via fan and heat exchanger heatsink
      • Display:
        Laptop display
      • Operating System:
        Windows 7 Home Premium 64 Bit

    Re: DPC latency - CPU throttling

    Please follow the POSTING INSTRUCTIONS for DPC/ISR latency, stuttering, cracks/pops. to provide troubleshooters with the necessary logs.
    I am only a volunteer helping users on the forums. Please wait 72 hours before double posting or PMing for help. I appreciate your patience. :-}

  3. #3

    Re: DPC latency - CPU throttling

    Answers
    Read More:

    Files Dropbox - logs.zip

  4. #4
    writhziden's Avatar
    Join Date
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    Colorado
    Posts
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    • specs System Specs
      • Manufacturer:
        Sony
      • Model Number:
        VPCF232FX/B
      • Motherboard:
        Sony Corporation VAIO
      • CPU:
      • Memory:
        8.00 GB Crucial CT2KIT51264BF1339 DDR3 1333
      • Graphics:
      • Sound Card:
        Realtek High Definition Audio/nVidia High Definition Audio
      • Hard Drives:
        TOSHIBA MK5061GSY 500 GB (465 GB actual)
      • Case:
        Laptop black matte case with backlit keyboard
      • Cooling:
        Air cooling via fan and heat exchanger heatsink
      • Display:
        Laptop display
      • Operating System:
        Windows 7 Home Premium 64 Bit

    Re: DPC latency - CPU throttling

    The problems seem to stem from your Intel display drivers. Check Intel for driver updates specific to your PC. https://downloadcenter.intel.com/pro...-Kit-NUC6i7KYK

    Scroll down to Intel« HD Graphics Driver for Windows 7*, 8.1*, and Windows« 10 for Intel« NUC Kit NUC6i7KYK
    jcgriff2 says thanks for this.
    I am only a volunteer helping users on the forums. Please wait 72 hours before double posting or PMing for help. I appreciate your patience. :-}

  5. #5

    Re: DPC latency - CPU throttling

    Hello, I've just updated Intel« HD Graphics Driver, but it doesn't solve the problem

  6. #6
    writhziden's Avatar
    Join Date
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    Posts
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    • specs System Specs
      • Manufacturer:
        Sony
      • Model Number:
        VPCF232FX/B
      • Motherboard:
        Sony Corporation VAIO
      • CPU:
      • Memory:
        8.00 GB Crucial CT2KIT51264BF1339 DDR3 1333
      • Graphics:
      • Sound Card:
        Realtek High Definition Audio/nVidia High Definition Audio
      • Hard Drives:
        TOSHIBA MK5061GSY 500 GB (465 GB actual)
      • Case:
        Laptop black matte case with backlit keyboard
      • Cooling:
        Air cooling via fan and heat exchanger heatsink
      • Display:
        Laptop display
      • Operating System:
        Windows 7 Home Premium 64 Bit

    Re: DPC latency - CPU throttling

    Quote Originally Posted by blaqmoss View Post
    Hello, I've just updated Intel« HD Graphics Driver, but it doesn't solve the problem
    Try uninstalling the driver and letting Windows install the driver from Windows Update.

    Open Device Manager, right-click (or tap and hold) the Intel Display adapter under Display adapters, and select Uninstall Device. Put a tick in the option to Delete the driver software for this device. Restart your PC and Windows will attempt to reinstall the driver.
    I am only a volunteer helping users on the forums. Please wait 72 hours before double posting or PMing for help. I appreciate your patience. :-}

  7. #7
    xilolee's Avatar
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: DPC latency - CPU throttling

    Hi blaqmoss.


    If you are not using bluetooth, I'd remove Intel« Bluetooth Technology-Based Driver for Windows 8.1, 64-Bit* for Intel« NUC.
    Your MSINFO log shows lots of problems with zeroconfigservice.exe, that should be the mentioned driver/software (but I could be wrong... Later I found it seems to be Intel Wireless Technology-Based Driver).

    If you find how to remove it on your own, ok.

    Otherwise you can try the following procedure (at your own risk... There shouldn't be risks, but who knows. Be prepared: new system restore point, backup of your important data and a full system image).

    Download the following drivers (clickable links in golden rod color), uninstall them along with bluetooth driver, then reinstall only these ones:
    - Intel« Gigabit Ethernet Network Connection Driver for Intel« NUC Kit NUC6i3SY, NUC6i5SY, NUC6i7KYK (LAN driver for Intel« NUC Kit with the Intel« Gigabit Ethernet Network Connection).
    - Intel« Wireless Technology-Based Driver for Intel« NUC Kit NUC6i3SY, NUC6i5SY, and NUC6i7KYK (wireless-WiFi driver for the Intel« Wireless Adapter installed in the Intel« NUC Kit NUC6i[x]SY and NUC6i7KY).
    It seems you have version 19.60 installed, whereas this is version 19.70.

    If you are still unsure, like I am, wait writhziden's opinion (or someone else more experienced than me).
    Last edited by xilolee; 09-16-2017 at 11:01 AM.

  8. #8

    Re: [W10ProV1703b15063 x64] DPC latency - CPU throttling

    Thank you for the replies! From time to time storport.sys causing dropouts too, any ideas? I'm using NVMe SSD (intel 600p) with standart NVMe windows driver

  9. #9
    writhziden's Avatar
    Join Date
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    Location
    Colorado
    Posts
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    • specs System Specs
      • Manufacturer:
        Sony
      • Model Number:
        VPCF232FX/B
      • Motherboard:
        Sony Corporation VAIO
      • CPU:
      • Memory:
        8.00 GB Crucial CT2KIT51264BF1339 DDR3 1333
      • Graphics:
      • Sound Card:
        Realtek High Definition Audio/nVidia High Definition Audio
      • Hard Drives:
        TOSHIBA MK5061GSY 500 GB (465 GB actual)
      • Case:
        Laptop black matte case with backlit keyboard
      • Cooling:
        Air cooling via fan and heat exchanger heatsink
      • Display:
        Laptop display
      • Operating System:
        Windows 7 Home Premium 64 Bit

    Re: [W10ProV1703b15063 x64] DPC latency - CPU throttling

    Quote Originally Posted by blaqmoss View Post
    Thank you for the replies! From time to time storport.sys causing dropouts too, any ideas? I'm using NVMe SSD (intel 600p) with standart NVMe windows driver
    See if running with the Microsoft drivers makes a difference:


    The Microsoft Driver might also be listed as Microsoft Storage Spaces Controller
    I am only a volunteer helping users on the forums. Please wait 72 hours before double posting or PMing for help. I appreciate your patience. :-}

  10. #10

    Re: DPC latency - CPU throttling

    Quote Originally Posted by xilolee View Post
    Hi blaqmoss.


    If you are not using bluetooth, I'd remove Intel« Bluetooth Technology-Based Driver for Windows 8.1, 64-Bit* for Intel« NUC.
    Your MSINFO log shows lots of problems with zeroconfigservice.exe, that should be the mentioned driver/software (but I could be wrong... Later I found it seems to be Intel Wireless Technology-Based Driver).

    If you find how to remove it on your own, ok.

    Otherwise you can try the following procedure (at your own risk... There shouldn't be risks, but who knows. Be prepared: new system restore point, backup of your important data and a full system image).

    Download the following drivers (clickable links in golden rod color), uninstall them along with bluetooth driver, then reinstall only these ones:
    - Intel« Gigabit Ethernet Network Connection Driver for Intel« NUC Kit NUC6i3SY, NUC6i5SY, NUC6i7KYK (LAN driver for Intel« NUC Kit with the Intel« Gigabit Ethernet Network Connection).
    - Intel« Wireless Technology-Based Driver for Intel« NUC Kit NUC6i3SY, NUC6i5SY, and NUC6i7KYK (wireless-WiFi driver for the Intel« Wireless Adapter installed in the Intel« NUC Kit NUC6i[x]SY and NUC6i7KY).
    It seems you have version 19.60 installed, whereas this is version 19.70.

    If you are still unsure, like I am, wait writhziden's opinion (or someone else more experienced than me).
    I don't have Intel« Bluetooth Technology-Based Driver, I disabled bluetooth in BIOS. I reinstalled lan and wifi drivers, but it doesn't solve the problem. Wifi is disabled in BIOS too.

  11. #11

    Re: [W10ProV1703b15063 x64] DPC latency - CPU throttling

    Quote Originally Posted by writhziden View Post
    Quote Originally Posted by blaqmoss View Post
    Thank you for the replies! From time to time storport.sys causing dropouts too, any ideas? I'm using NVMe SSD (intel 600p) with standart NVMe windows driver
    Quote Originally Posted by writhziden View Post

    See if running with the Microsoft drivers makes a difference:

    The Microsoft Driver might also be listed as Microsoft Storage Spaces Controller
    I already have standart Microsoft Storage Spaces Controller and it's the only one listed in the "list of device drivers on my computer" when I try to update it [W10ProV1703b15063 x64] DPC &amp; CPU throttling-device-png

  12. #12
    xilolee's Avatar
    Join Date
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: DPC latency - CPU throttling

    Quote Originally Posted by blaqmoss View Post
    Wifi is disabled in BIOS too.
    Try to disable the Wi-Fi driver in device manager (network adapters) and to stop services and software related to it.
    I.e., check if zeroconfigservice.exe won't start at all after you disabled the Wi-Fi driver.

  13. #13

    Re: DPC latency - CPU throttling

    Quote Originally Posted by xilolee View Post
    Quote Originally Posted by blaqmoss View Post
    Wifi is disabled in BIOS too.
    Try to disable the Wi-Fi driver in device manager (network adapters) and to stop services and software related to it.
    I.e., check if zeroconfigservice.exe won't start at all after you disabled the Wi-Fi driver.
    Hello, it doesn't help

  14. #14
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,045
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    Doesn't it start, now?
    Try Intel HD Graphics Driver for Win10 for Intel NUC Kit NUC6i7KYK.

    Are you using an external power supply for your RME Babyface Pro?
    Does the problem remain when you unplug RME Babyface Pro?
    Last edited by xilolee; 10-03-2017 at 08:18 AM.

  15. #15

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    Quote Originally Posted by xilolee View Post
    Doesn't it start, now?
    Try Intel HD Graphics Driver for Win10 for Intel NUC Kit NUC6i7KYK.

    Are you using an external power supply for your RME Babyface Pro?
    Does the problem remain when you unplug RME Babyface Pro?
    I updated Intel HD Graphics Driver, disabled network services (zeroconfig is stopped) and tested with RME Babyface (without power supply) and with internal audio. Both have the problems with CPU throttling. Sometimes latencymon shows, that the problem is in storport.sys, sometimes it doesn't show which driver is the problematic one(it can show Wdf01000.sys or HDAudBus.sys (for internal audio)), the line with "Highest measured interrupt to process latency" is red.

  16. #16
    xilolee's Avatar
    Join Date
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    Posts
    2,045
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    Latest firmware version for your Intel SSD 600p Series 256GB should be 121c.
    Latest Intel SSD Firmware Update Tool v2.2.3 (8 Sep 2017) should install that one, if you didn't already installed it in the past.
    But Intel suggests you should use Intel Solid State Drive Toolbox instead of the firmware update tool.
    It also allows you to check your SSD firmware.
    Latest Intel Solid State Drive Toolbox v3.4.7 is dated 8 Sep 2017.

    I can't find either your SSD firmware, or intel ssd toolbox in your MSINFO log...
    It also seems your system is using stornvme.sys (Microsoft Standard NVM Express Driver): I think intel should have created its own driver and your machine should use that one, but I'm not sure of this.
    Maybe you could try to find that intel driver through device manager (if you find it, be prepared before change it: system image and system restore).

    Is Dropbox still installed on your machine?
    Did you try to run your machine without it?
    Last edited by xilolee; 10-04-2017 at 05:33 AM.

  17. #17

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    Quote Originally Posted by xilolee View Post
    Latest firmware version for your Intel SSD 600p Series 256GB should be 121c.
    Latest Intel SSD Firmware Update Tool v2.2.3 (8 Sep 2017) should install that one, if you didn't already installed it in the past.
    But Intel suggests you should use Intel Solid State Drive Toolbox instead of the firmware update tool.
    It also allows you to check your SSD firmware.
    Latest Intel Solid State Drive Toolbox v3.4.7 is dated 8 Sep 2017.

    I can't find either your SSD firmware, or intel ssd toolbox in your MSINFO log...
    It also seems your system is using stornvme.sys (Microsoft Standard NVM Express Driver): I think intel should have created its own driver and your machine should use that one, but I'm not sure of this.
    Maybe you could try to find that intel driver through device manager (if you find it, be prepared before change it: system image and system restore).

    Is Dropbox still installed on your machine?
    Did you try to run your machine without it?
    Hello, I have the latest firmware ans ssd toolbox. I'm using the latest Microsoft Standard NVM Express Driver (10.0.1.15063.0).
    Dropbox is still on my machine, but I exit the app before testing. The problem still exists.

    I stopped zerocongif and made a new trace file, maybe it will help trace.etl

  18. #18

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    The problem is that WDF (Windows Driver Framework) is hiding what driver(s) are actually responsible for the interrupts and DPCs.

    Please collect another trace, but instead of just diageasy use the following

    Code:
    xperf.exe -on diageasy+WDF_DPC+WDF_INTERRUPT+0x48000000+PROC_THREAD+LOADER+INTERRUPT+DPC+CSWITCH+TIMER+CLOCKINT -stackwalk TimerSetPeriodic+TimerSetOneShot+CSwitch+readythread+profile -clocktype perfcounter -buffersize 1024 -minbuffers 1024
    Then like before, to stop it run:

    Code:
    xperf.exe -d "%userprofile%\Desktop\trace.etl"
    Also grab a second trace using wpr.exe
    Code:
    wpr.exe -start WdfTraceLoggingProvider
    Like before, record when the issues occur, afterwards stop it.

    Code:
    wpr.exe -stop "%userprofile%\Desktop\trace2.etl"
    writhziden says thanks for this.

  19. #19

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    Hello! I've collected the first trace: trace.etl But I can't collect the second, I got " The Logging Mode does not match with the profile passed.

    Error code: 0xc5584017"

  20. #20

    Re: [W10ProV1703b15063 x64] DPC & CPU throttling

    Looks like the vast majority of DPC activity in the trace you posted is from USBXHCI.sys, the USB 3.0 driver. Do you have anything plugged into your USB ports besides a mouse/keyboard? You may want to unplug everything and see if the audio issues continue, if they cease, try plugging things in one at a time to identify the faulty port or device.

    I'd suggest making sure you are using the latest chipset drivers from Intel - here is Intel's official tool to check for driver updates.

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