1. #1

    Cracking sound - ndis.sys

    Hi all,

    was digging this problem from morning. Trying as far reinstalling Wifi drivers from Lenovo support page and swap to windows referenced one.I did virus scanning using Makwarebyte.
    Finally Im here with log from latencyMon. Hope someone can take a look on it and put some light.

    EDIT : switching off Wifi stop cracking but this is not a solution


    _________________________________________________________________________________________________________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 or more DPC routines that belong to a driver running in your system appear to be executing for too long. At least one detected problem appears to be network related. In case you are using a WLAN adapter, try disabling it to get better results. 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 0:09:03 (h:mm:ss) on all processors.




    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name: HARCEL
    OS version: Windows 10 , 10.0, build: 15063 (x64)
    Hardware: 23259H1, LENOVO
    CPU: GenuineIntel Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz
    Logical processors: 4
    Processor groups: 1
    RAM: 7887 MB total




    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed: 2594 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 (s): 92218.226144
    Average measured interrupt to process latency (s): 5.724580


    Highest measured interrupt to DPC latency (s): 92118.357079
    Average measured interrupt to DPC latency (s): 2.897222




    _________________________________________________________________________________________________________
    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 (s): 138.518504
    Driver with highest ISR routine execution time: i8042prt.sys - i8042 Port Driver, Microsoft Corporation


    Highest reported total ISR routine time (%): 0.084999
    Driver with highest ISR total time: i8042prt.sys - i8042 Port Driver, Microsoft Corporation


    Total time spent in ISRs (%) 0.130649


    ISR count (execution time <250 s): 214497
    ISR count (execution time 250-500 s): 0
    ISR count (execution time 500-999 s): 0
    ISR count (execution time 1000-1999 s): 0
    ISR count (execution time 2000-3999 s): 0
    ISR count (execution time >=4000 s): 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 (s): 92241.964148
    Driver with highest DPC routine execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation


    Highest reported total DPC routine time (%): 0.610591
    Driver with highest DPC total execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation


    Total time spent in DPCs (%) 0.925004


    DPC count (execution time <250 s): 1738932
    DPC count (execution time 250-500 s): 0
    DPC count (execution time 500-999 s): 526
    DPC count (execution time 1000-1999 s): 18
    DPC count (execution time 2000-3999 s): 3
    DPC count (execution time >=4000 s): 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 (s): 0.0
    Total time spent in hard pagefaults (%): 0.0
    Number of processes hit: 0




    _________________________________________________________________________________________________________
    PER CPU DATA
    _________________________________________________________________________________________________________
    CPU 0 Interrupt cycle time (s): 22.318776
    CPU 0 ISR highest execution time (s): 138.518504
    CPU 0 ISR total execution time (s): 2.832833
    CPU 0 ISR count: 213964
    CPU 0 DPC highest execution time (s): 92241.964148
    CPU 0 DPC total execution time (s): 11.483009
    CPU 0 DPC count: 1592114
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s): 6.413550
    CPU 1 ISR highest execution time (s): 62.599460
    CPU 1 ISR total execution time (s): 0.008139
    CPU 1 ISR count: 533
    CPU 1 DPC highest execution time (s): 91915.697764
    CPU 1 DPC total execution time (s): 1.879645
    CPU 1 DPC count: 40835
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s): 9.493686
    CPU 2 ISR highest execution time (s): 0.0
    CPU 2 ISR total execution time (s): 0.0
    CPU 2 ISR count: 0
    CPU 2 DPC highest execution time (s): 92232.804549
    CPU 2 DPC total execution time (s): 4.957043
    CPU 2 DPC count: 51808
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s): 7.080234
    CPU 3 ISR highest execution time (s): 0.0
    CPU 3 ISR total execution time (s): 0.0
    CPU 3 ISR count: 0
    CPU 3 DPC highest execution time (s): 92174.730146
    CPU 3 DPC total execution time (s): 1.794520
    CPU 3 DPC count: 54897
    _________________________________________________________________________________________________________


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  2. #2
    writhziden's Avatar
    Join Date
    May 2012
    Location
    Colorado
    Posts
    2,329
    • 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: Cracking sound - ndis.sys

    Please follow the Latency Posting Instructions and provide your trace file, your DxDiag report, and your msinfo32 file to receive help with your latency issue.
    Last edited by writhziden; 08-05-2017 at 10:24 AM.
    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. :-}

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