1. Posts : 7
    windows 10


    Hi Team,
    I just experienced bsod with code stop code: DRIVER_IRQL_NOT_LESS_OR_EQUAL, unfortunately, i wasnt quick enough to take a screenshot of the window.
    In the attachment is the dump file.
    Attachment 172878

    Can anyone help track down which driver/component triggered the crash.
      My Computer

  2. Posts : 39,994
    windows 10 professional version 1607 build 14393.969 64 bit

    Windows driver verifier is a tool which is used to find misbehaving drivers.
    It will stimulate drivers to repetitively produce BSOD until misbehaving drivers are fixed or until the tool is turned off.

    1) backup all files to another drive or to the cloud
    2) make a backup image using Macrium:
    Macrium Software | Macrium Reflect Free
    3) save the image to another drive or to the cloud
    4) learn the 3 methods to turn off windows driver verifier using the windows advanced troubleshooting menu
    5) once all of the above is accomplished you can turn on the tool
    6) the tool will be used for 48 hours
    7) after the last BSOD it will be used for an additional 36 hours of typical computer use

    Use this link for the windows drive verifier test settings:
    Driver Verifier-- tracking down a mis-behaving driver. - Microsoft Community
    Use this link for the methods to turn off windows driver verifer
    Enable and Disable Driver Verifier in Windows 10 Performance Maintenance Tutorials

    For each BSOD post a new zip into the thread:
    log collector

    Make a brand new restore point before turning on the tool.
    Methods to turn off are all through the Windows advanced troubleshooting menu.
    a) startup options (not startup repair) > click reset > select #6 safe mode with command prompt > type:
    verifier /reset
    b) command prompt > Administrator: X:\windows\system32\cmd.exe > X:\sources > type:
    verifier /bootmode resetonbootfail
    c) system restore

    The methods to turn off windows driver verifier should only be done in the order above and advance if the prior method fails. If system restore is used it often leads to a loss of the BSOD mini dump file and little progress is made in the troubleshooting.

    In the left lower corner search type: system > open system control panel > on the left pane click advanced system settings > under startup and recovery click settings > under system failure un-check automatically restart
    Last edited by zbook; 17 Jan 2018 at 05:10.
      My Computer

  3. Posts : 7
    windows 10
    Thread Starter

    Thank you for the reply and instructions.
    I followed steps as described on the forum:
    Use this link for the methods to turn off windows driver verifer
    Enable and Disable Driver Verifier in Windows 10 Performance Maintenance Tutorials
    I selected only 3 options as per instructions:

    • I/O Verification
    • Force pending I/O requests
    • IRP logging

    System was running fine and no BSOD happen.

    Then I tried settings as described on windows forum
    >>Use this link for the windows drive verifier test settings:
    >>Driver Verifier-- tracking down a mis-behaving driver. - Microsoft Community

    After the first reboot, windows booted and after username login prompt, while loading user profiles BSOD happen.
    I let it run for the second time, and exactly at same point system crashed.

    What failed: vstor2 mntapi20 shared.sys

    Looking into the system for any of the file names, I found that this is Vmware driver Virtual Storage Volume Driver.

    I doubt that this crash has anything to do with the first one, but anyway i am attaching crash dumps just in case.
    I am thinking to exclude VMWARE drivers from verify tool and let it run again.
      My Computer

  4. Posts : 39,994
    windows 10 professional version 1607 build 14393.969 64 bit

    1) open administrative command prompt and type or copy and paste:
    2) sfc /scannow
    3) dism /online /cleanup-image /restorehealth
    4) chkdsk /scan
    5) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread

    6) Uninstall VMW software then re-install it.

    7) Uninstall Intel rapid storage technology then re-install it.

    8) Update: igdkmd64.sys:
    Updating a driver: Updating a driver. - Microsoft Community

    vstor2-mntapi20-shared.sys VMware Virtual Storage Volume Driver

    iaStorA.sys Intel RST (Rapid Storage Technology) driver XP

    Name    Intel(R) HD Graphics 520PNP Device ID    PCI\VEN_8086&DEV_1916&SUBSYS_06DC1028&REV_07\3&11583659&0&10Adapter Type    Intel(R) HD Graphics Family, Intel Corporation compatibleAdapter Description    Intel(R) HD Graphics 520Adapter RAM    1.00 GB (1,073,741,824 bytes)Installed Drivers    C:\WINDOWS\System32\DriverStore\FileRepository\ki125177.inf_amd64_d9d520fc51d8a7f4\igdumdim64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\ki125177.inf_amd64_d9d520fc51d8a7f4\igd10iumd64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\ki125177.inf_amd64_d9d520fc51d8a7f4\igd10iumd64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\ki125177.inf_amd64_d9d520fc51d8a7f4\igd12umd64.dllDriver Version File    oem54.inf (iSKLD_w10_DS section)Color Planes    Not AvailableColor Table Entries    4294967296Resolution    1920 x 1080 x 60 hertzBits/Pixel    32Memory Address    0xE0000000-0xE0FFFFFFMemory Address    0xD0000000-0xDFFFFFFFI/O Port    0x0000F000-0x0000F03FIRQ Channel    IRQ 4294967288Driver    c:\windows\system32\driverstore\filerepository\ki125177.inf_amd64_d9d520fc51d8a7f4\igdkmd64.sys (, 12.80 MB (13,422,560 bytes), 11/7/2017 1:02 AM)
    igfx    igfx    c:\windows\system32\driverstore\filerepository\ki125177.inf_amd64_d9d520fc51d8a7f4\igdkmd64.sys    Kernel Driver    Yes    Manual    Running    OK    Ignore    No    Yes
    iaStorA      Intel(R) Chipset SATA/ Intel(R) Chipset SATA/ Kernel        Boot       Running    OK         TRUE        FALSE        4,096             790,528     0          8/10/2017 10:27:02 AM  C:\WINDOWS\system32\drivers\iaStorA.sys          4,096      iaStorAfs    iaStorAfs              iaStorAfs              File System   Manual     Stopped    OK         FALSE       FALSE        4,096             36,864      0          8/10/2017 10:27:21 AM  C:\WINDOWS\system32\drivers\iaStorAfs.sys        4,096      iaStorAV     Intel(R) SATA RAID Con Intel(R) SATA RAID Con Kernel        Manual     Stopped    OK         FALSE       FALSE        4,096             593,920     0          2/22/2017 2:43:04 PM   C:\WINDOWS\system32\drivers\iaStorAV.sys         4,096      iaStorV      Intel RAID Controller  Intel RAID Controller  Kernel        Manual     Stopped    OK         FALSE       FALSE        0                 364,544     0          4/11/2011 8:48:16 PM   C:\WINDOWS\system32\drivers\iaStorV.sys          8,192

    vstor2_mntapi20_shared vstor2-mntapi20-shared.sys Fri May 05 02:31:04 2017 (590C2A38)
    iaStorA  iaStorA.sys  Thu Aug 10 03:27:02 2017 (598C18D6)
    igdkmd64 igdkmd64.sys Tue Oct 17 20:39:02 2017 (59E6B0B6)
      My Computer

  5. Posts : 7
    windows 10
    Thread Starter

    Microsoft Windows [Version 10.0.16299.192]
    (c) 2017 Microsoft Corporation. All rights reserved.
    C:\WINDOWS\system32>sfc /scannow
    Beginning system scan.  This process will take some time.
    Beginning verification phase of system scan.
    Verification 100% complete.
    Windows Resource Protection did not find any integrity violations.
    C:\WINDOWS\system32>dism /online /cleanup-image /restorehealth
    Deployment Image Servicing and Management tool
    Version: 10.0.16299.15
    Image Version: 10.0.16299.192
    [==========================100.0%==========================] The restore operation completed successfully.
    The operation completed successfully.
    C:\WINDOWS\system32>chkdsk /scan
    The type of the file system is NTFS.
    Stage 1: Examining basic file system structure ...
      968960 file records processed.
    File verification completed.
      28115 large file records processed.
      0 bad file records processed.
    Stage 2: Examining file name linkage ...
      288 reparse records processed.
      1201342 index entries processed.
    Index verification completed.
      0 unindexed files scanned.
      0 unindexed files recovered to lost and found.
      288 reparse records processed.
    Stage 3: Examining security descriptors ...
    Security descriptor verification completed.
      116192 data files processed.
    CHKDSK is verifying Usn Journal...
      38621960 USN bytes processed.
    Usn Journal verification completed.
    Windows has scanned the file system and found no problems.
    No further action is required.
     498144255 KB total disk space.
      81890168 KB in 482481 files.
        365792 KB in 116193 indexes.
             0 KB in bad sectors.
       1092195 KB in use by the system.
         65536 KB occupied by the log file.
     414796100 KB available on disk.
          4096 bytes in each allocation unit.
     124536063 total allocation units on disk.
     103699025 allocation units available on disk.
      My Computer


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