Windows 8 and 8.1 Forums


  1. #1

    New Zealand
    Posts : 7
    Windows 8 Pro



    I've been running Windows 8 Pro fine for the last two weeks however as of yesterday afternoon I started to get the BSOD DPC_Watchdog_Violation occur.

    I haven't, as far as I'm aware, loaded any new programs or drivers onto the computer during the last few days and after reading a few posts have tried updating my device drivers using Driver Manager but its telling me they are all up to date.

    The BSOD seems to occur randomly sometimes within minutes and at other times there can be an hour or two between. I am not sure what is setting it off.

    Any help on this matter is appreciated thanks.

      My System SpecsSystem Spec

  2. #2

    Posts : 634
    Windows 8.1 professional x64 + WMC

    Please update your device drivers to the latest version

    ********************************************************************************                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    The Winlogon process terminated unexpectedly.
    Arg1: fffff8a0002eb290, String that identifies the problem.
    Arg2: 0000000000000000, Error Code.
    Arg3: ffffffffc0000001
    Arg4: 00000030db2703e8
    Debugging Details:
    ----- ETW minidump data unavailable-----
    BUGCHECK_STR:  0xc000021a_0
    ERROR_CODE: (NTSTATUS) 0xc000021a - {Fatal System Error}  The %hs system process terminated unexpectedly with a status of 0x%08x (0x%08x 0x%08x).  The system has been shut down.
    EXCEPTION_CODE: (NTSTATUS) 0xc000021a - {Fatal System Error}  The %hs system process terminated unexpectedly with a status of 0x%08x (0x%08x 0x%08x).  The system has been shut down.
    EXCEPTION_PARAMETER1:  fffff8a0002eb290
    EXCEPTION_PARAMETER2:  0000000000000000
    EXCEPTION_PARAMETER3:  ffffffffc0000001
    EXCEPTION_PARAMETER4: 30db2703e8
    ADDITIONAL_DEBUG_TEXT:  initial session process or
    PROCESS_NAME:  smss.exe
    LAST_CONTROL_TRANSFER:  from fffff8025a76da0e to fffff8025a47a740
    fffff880`02df86e8 fffff802`5a76da0e : 00000000`0000004c 00000000`c000021a fffff880`036bf400 fffffa80`0b7e1da0 : nt!KeBugCheckEx
    fffff880`02df86f0 fffff802`5a761208 : 00000000`00000001 00000000`00000002 ffffffff`80000448 00000000`00000002 : nt!PopGracefulShutdown+0x29a
    fffff880`02df8730 fffff802`5a479753 : fffffa80`07334040 00000000`00000000 00000000`00000001 fffff880`02df8901 : nt!NtSetSystemPowerState+0x878
    fffff880`02df8870 fffff802`5a47e930 : fffff802`5aa07c57 00000000`00000001 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
    fffff880`02df8a08 fffff802`5aa07c57 : 00000000`00000001 00000000`00000000 00000000`00000000 fffff802`5a4b8bb0 : nt!KiServiceLinkage
    fffff880`02df8a10 fffff802`5a8b2567 : 00000000`00000000 fffff8a0`0033e8a0 00000000`00000000 fffff8a0`0045e8c0 : nt! ?? ::NNGAKEGL::`string'+0x3fcdb
    fffff880`02df8ad0 fffff802`5a45b23d : fffffa80`07334040 00000000`00000000 00000000`00000002 fffff802`5a483ec4 : nt!PopPolicyWorkerAction+0x63
    fffff880`02df8b40 fffff802`5a4b3641 : fffff802`00000002 fffff802`5a45b190 fffff802`5a697660 fffffa80`074bdb00 : nt!PopPolicyWorkerThread+0xad
    fffff880`02df8b80 fffff802`5a422625 : 00000000`00000000 00000000`00000080 fffff802`5a4b3500 fffffa80`07334040 : nt!ExpWorkerThread+0x142
    fffff880`02df8c10 fffff802`5a460e56 : fffff880`01865180 fffffa80`07334040 fffff880`01870f40 fffffa80`0732b040 : nt!PspSystemThreadStartup+0x59
    fffff880`02df8c60 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x16
    fffff802`5a761208 cc              int     3
    SYMBOL_NAME:  nt!NtSetSystemPowerState+878
    FOLLOWUP_NAME:  MachineOwner
    IMAGE_NAME:  ntkrnlmp.exe
    FAILURE_BUCKET_ID:  0xc000021a_0_nt!NtSetSystemPowerState
    BUCKET_ID:  0xc000021a_0_nt!NtSetSystemPowerState
    Followup: MachineOwner
    and also run this and post back the results

    SFC /SCANNOW Command - System File Checker - Windows 7 Forums
      My System SpecsSystem Spec

  3. #3

    New Zealand
    Posts : 7
    Windows 8 Pro

    hi Bagavan, thanks for your reply. I have done as requested and rechecked the drivers however they are all up to date. I also ran the sfc /scannow command and it repaired some corrupt files. I have attached the log as requested.
      My System SpecsSystem Spec

  4. #4

    New Zealand
    Posts : 7
    Windows 8 Pro

    I also ran the scan again and it finished without finding any integrity violations
      My System SpecsSystem Spec

  5. #5

    Posts : 634
    Windows 8.1 professional x64 + WMC
      My System SpecsSystem Spec

  6. #6

    New Zealand
    Posts : 7
    Windows 8 Pro

    Hi Bagavan. I've done as you instructed and straight away at boot had two bsod.
    Once I've had breakfast I will see what I can do to start the computer and attach a log file.
      My System SpecsSystem Spec

  7. #7

    New Zealand
    Posts : 7
    Windows 8 Pro

    Hmmmmm F8 doesn't get me into safe mode anymore. Any suggestions??? Every restart ends in BSOD attempts to fix the problem and fails. Cheers
      My System SpecsSystem Spec

  8. #8

    New Zealand
    Posts : 7
    Windows 8 Pro

    Any help?????
      My System SpecsSystem Spec

  9. #9

    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64

    I had this exact same problem last week, randomly I keep getting DPC_Watchdog_Violation, BSOD and windows trying to reboot and hangs and all I could do is to restore it from backup.

    Also, each time I restart the PC, the BIOS took a long time to post.

    Luckily, I did have a couple of Images made, one is the Original Image after installation of Windows 8 activated, updated with no application software installed, one is with all the application installed. So what I did is to restore the Original Image just to make sure that there is no drivers conflict between Windows and the application software, also I ran sfc /scannow and all is good. Guess what ? It happened again, this is telling me there is something wrong with my hardware so I start checking my SSD drive using chkdsk C: /f and again could not find anything wrong with it, unplugged all the extra hardware ie. external Hard drives, sound board etc... just left with a single SSD to boot from and again it happened.

    Since I have 2 PC's and both have SSD's as the boot drives and the other is running well and good so I swapped the SSD's and now this PC is running like a charm and the other PC is having DPC_Watchdog_Violation.

    Even chkdsk did not find anything wrong with the SSD, it turns out to be the SSD that causes the problem all along and I guess that chkdsk is not really working good with SSD drive,

    One of your post above stating that you ran sfc /scannow and the program did find some errors and fixed but you still have the problem. This leads me to believe that you have the same problem I had that is some weak spots in you HD/SSD making your system files corrupted.

    BTW, before you get the message and BSOD, was your system running a little bit sluggish ? because that what happened with mine.
    Last edited by topgundcp; 03 Dec 2012 at 16:47.
      My System SpecsSystem Spec

  10. #10

    Posts : 18
    Windows 8 Pro.

    I have this problem also

    Windows 8 has been running fine since i installed it at release and now i have this blue screen after a few hours of games. its a strange one.
      My System SpecsSystem Spec

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