1. #1

    Intermittent PC Problem with BSOD/Latency

    Hello thought i'd post this here with the hope of some expert help!


    Bought new PC late last year, in the first few weeks i noticed minor/moderate audio problems (pops/cracks)... tried un/reinstalling audio drivers nothing really worked but issue seemed to go away on its own...


    Today i turned her on... very laggy, not just audio pops but PC was generally very slow at loading and just generally really bad and nothing like it has happened before. Even the cursor was moving strangely, changing speed. LatencyMon readings were off the charts. Restarted a few times... BSOD happened once with DPC WATCHDOG VIOLATION after i tried to resize a window.


    But after keeping the PC on for 15 minutes or so, the problem evaporated!


    In my limited knowledge i think there is some deeper issue with a driver perhaps. But how it is able to resolve itself?!


    The below LatencyMon readout is what im getting now that the problem has 'gone away' - it still says there may be an issue. As i said the readings were all the way red before. Noted drivers: dxgkrnl.sys, nvlddmkm.sys, rspLLL64.sys.


    I ran the Driver Verifier and after restart it gave BSOD with DRIVER VERIFIER DETECTED VIOLATION and gave gdrv.sys.




    PC (DESKTOP) - PURCHASED SEPT 2017
    Windows 10 , 10.0, build: 16299 (x64) (FULL RETAIL)
    Z270X-Ultra Gaming, Gigabyte Technology Co., Ltd., Z270X-Ultra
    GenuineIntel Intel(R) Core i7-7700K CPU @ 4.20GHz
    16338 MB total RAM
    NVIDIA GeForce GTX 1080 Ti GIGABYTE GAMING OC 11GB GDDR5
    WDC WDS250GB SSD
    EVGA 750B PSU


    I use onboard Audio (RealTek) and i am not running any other hardware. Windows fully up to date along with Nvidia display driver. Another strange thing is that sometimes my mouse does not work on bootup - i have to plug it out and in before it works.



    Many thanks


    ######





    CONCLUSION
    _________________________________________________________________________________________________________
    Your system seems to be having difficulty handling real-time audio and other tasks. You may experience drop outs, clicks or pops due to buffer underruns. 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 0:07:59 (h:mm:ss) on all processors.



    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name: BLACKBEARDSDELI
    OS version: Windows 10 , 10.0, build: 16299 (x64)
    Hardware: Z270X-Ultra Gaming, Gigabyte Technology Co., Ltd., Z270X-Ultra Gaming-CF
    CPU: GenuineIntel Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
    Logical processors: 8
    Processor groups: 1
    RAM: 16338 MB total



    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed: 420 MHz
    Measured CPU speed: 47 MHz (approx.)


    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.


    WARNING: the CPU speed that was measured is only a fraction of the CPU speed reported. Your CPUs may be throttled back due to variable speed settings and thermal issues. It is suggested that you run a utility which reports your actual CPU frequency and temperature.




    _________________________________________________________________________________________________________
    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): 1474.8750
    Average measured interrupt to process latency (s): 80.896242


    Highest measured interrupt to DPC latency (s): 1434.3750
    Average measured interrupt to DPC latency (s): 52.846982



    _________________________________________________________________________________________________________
    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): 684.405714
    Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


    Highest reported total ISR routine time (%): 0.351450
    Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


    Total time spent in ISRs (%) 0.433941


    ISR count (execution time <250 s): 483339
    ISR count (execution time 250-500 s): 0
    ISR count (execution time 500-999 s): 2061
    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): 959.385952
    Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 391.01 , NVIDIA Corporation


    Highest reported total DPC routine time (%): 0.877671
    Driver with highest DPC total execution time: rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.


    Total time spent in DPCs (%) 1.52120


    DPC count (execution time <250 s): 2141620
    DPC count (execution time 250-500 s): 0
    DPC count (execution time 500-999 s): 5378
    DPC count (execution time 1000-1999 s): 0
    DPC count (execution time 2000-3999 s): 0
    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): 96.847511
    CPU 0 ISR highest execution time (s): 684.405714
    CPU 0 ISR total execution time (s): 16.589288
    CPU 0 ISR count: 447848
    CPU 0 DPC highest execution time (s): 959.385952
    CPU 0 DPC total execution time (s): 53.695258
    CPU 0 DPC count: 1867078
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s): 7.325837
    CPU 1 ISR highest execution time (s): 545.495714
    CPU 1 ISR total execution time (s): 0.038396
    CPU 1 ISR count: 35723
    CPU 1 DPC highest execution time (s): 476.028095
    CPU 1 DPC total execution time (s): 2.034358
    CPU 1 DPC count: 63552
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s): 4.910925
    CPU 2 ISR highest execution time (s): 31.623095
    CPU 2 ISR total execution time (s): 0.001460
    CPU 2 ISR count: 1829
    CPU 2 DPC highest execution time (s): 266.945476
    CPU 2 DPC total execution time (s): 0.969074
    CPU 2 DPC count: 150544
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s): 5.019679
    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): 270.245714
    CPU 3 DPC total execution time (s): 0.306217
    CPU 3 DPC count: 12818
    _________________________________________________________________________________________________________
    CPU 4 Interrupt cycle time (s): 4.354852
    CPU 4 ISR highest execution time (s): 0.0
    CPU 4 ISR total execution time (s): 0.0
    CPU 4 ISR count: 0
    CPU 4 DPC highest execution time (s): 260.981429
    CPU 4 DPC total execution time (s): 0.376365
    CPU 4 DPC count: 14991
    _________________________________________________________________________________________________________
    CPU 5 Interrupt cycle time (s): 4.840114
    CPU 5 ISR highest execution time (s): 0.0
    CPU 5 ISR total execution time (s): 0.0
    CPU 5 ISR count: 0
    CPU 5 DPC highest execution time (s): 256.414286
    CPU 5 DPC total execution time (s): 0.318575
    CPU 5 DPC count: 14044
    _________________________________________________________________________________________________________
    CPU 6 Interrupt cycle time (s): 4.419932
    CPU 6 ISR highest execution time (s): 0.0
    CPU 6 ISR total execution time (s): 0.0
    CPU 6 ISR count: 0
    CPU 6 DPC highest execution time (s): 292.946429
    CPU 6 DPC total execution time (s): 0.304144
    CPU 6 DPC count: 13113
    _________________________________________________________________________________________________________
    CPU 7 Interrupt cycle time (s): 4.732988
    CPU 7 ISR highest execution time (s): 0.0
    CPU 7 ISR total execution time (s): 0.0
    CPU 7 ISR count: 0
    CPU 7 DPC highest execution time (s): 261.549524
    CPU 7 DPC total execution time (s): 0.290233
    CPU 7 DPC count: 10858
    _________________________________________________________________________________________________________
    Attached Files Attached Files


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  2. #2
    x BlueRobot's Avatar
    Join Date
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    Re: Intermittent PC Problem with BSOD/Latency

    It seems that your DPC latency issue and the BSOD issue may be interlinked.

    Code:
    BugCheck C4, {f6, 844, ffffe00ac786a080, fffff80d86cf1969}
    
    Probably caused by : memory_corruption
    Code:
    0: kd> lmvm gdrv
    
    start             end                 module name
    fffff80d`86cf0000 fffff80d`86cf9000   gdrv     T (no symbols)           
        Loaded symbol image file: gdrv.sys
        Image path: \??\C:\Windows\gdrv.sys
        Image name: gdrv.sys
        Timestamp:        Thu Jul 04 05:27:55 2013 (51D4F9CB)
        CheckSum:         0000B095
        ImageSize:        00009000
        Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
    It seems that above driver was referencing an object using a user-mode handle. I would suggest updating the faulting driver from the motherboard support page or removing the associated program which appears to be Gigabyte Easy Saver.

    Code:
    0: kd> !process
    PROCESS ffffe00ac786a080
        SessionId: 1  Cid: 2630    Peb: 0119c000  ParentCid: 1d28
        DirBase: 36010002  ObjectTable: ffffba836ca73280  HandleCount: <Data Not Accessible>
        Image: gcupd.exe
        VadRoot ffffe00ac781a010 Vads 228 Clone 0 Private 1959. Modified 105. Locked 0.
        DeviceMap ffffba836985dd80
        Token                             ffffba836ca7b960
        ReadMemory error: Cannot get nt!KeMaximumIncrement value.
    fffff78000000000: Unable to get shared data
        ElapsedTime                       00:00:00.000
        UserTime                          00:00:00.000
        KernelTime                        00:00:00.000
        QuotaPoolUsage[PagedPool]         493248
        QuotaPoolUsage[NonPagedPool]      36488
        Working Set Sizes (now,min,max)  (0, 0, 0) (0KB, 0KB, 0KB)
        PeakWorkingSetSize                0
        VirtualSize                       325 Mb
        PeakVirtualSize                   326 Mb
        PageFaultCount                    0
        MemoryPriority                    BACKGROUND
        BasePriority                      8
        CommitCharge                      6155
    The process which crashed seems to be the Gigabye App Centre.
    Machines Can Think

    We don't make mistakes; we just have happy accidents.

  3. #3
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,181
    • 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: Intermittent PC Problem with BSOD/Latency

    EasyTune (and aorus?) is a year old. You can uninstall it to see if it's the culprit.

    New bios available: F9b 2018/01/10.
    RAM speed is currently 2666, but CPU and MB support up to 2400 (not overclocked).
    There's a new version of Intel extreme tuning utility 6.4.1.19 (currently you've got 6.4.1.11).
    The gvledservice.exe shows a lot of problems: could it be RGB Fusion? Or what?
    In start menu, programs, there's an unknown folder: do you know what's that?

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