dpc watchdog violation


  1. Posts : 24
    windows 10
       #1

    dpc watchdog violation


    im going kinda nuts for a few days already im facing BDOS's
    this all started after i upgraded WSL1 to WSL2 2 days ago

    ofcrouse i uninstalled WSL2 compleetly before even proceding with debugging/this post.

    already installed all windows updates.
    did sfc /SCANNOW did chkdsk c: /f /r

    but the issue is still there sometimes after 5 mins sometimes after 2 hours i get the BSOD again.

    please advise
    dpc watchdog violation Attached Files
      My Computer


  2. Posts : 1,392
    Windows 8.1 Enterprise x64
       #2
      My Computer


  3. Posts : 24
    windows 10
    Thread Starter
       #3
      My Computer


  4. Posts : 24
    windows 10
    Thread Starter
       #4

    after some more investigation i noticed a few things.
    when i disable vt-d in my BIOS the blue screens are not happening anymore.
    when a blue screen happens. i see this kinda events in my system log:

    Hypervisor successfully started.
    Hypervisor scheduler type is 0x4.
    Hypervisor initialized I/O remapping.

    Hardware present: false
    Hardware enabled: false
    Policy: 0x0
    Enabled features: 0x0
    Internal information: 0x0
    Problems: 0x0
    Additional information: 0x0

    Hypervisor configured mitigations for CVE-2018-3646 for virtual machines.

    Processor not affected: false
    Processor family not affected: false
    Processor supports cache flush: true
    HyperThreading enabled: true
    Parent hypervisor applies mitigations: false
    Mitigations disabled by bcdedit: false
    Mitigations enabled: true
    Cache flush needed: false

    The hypervisor did not enable mitigations for CVE-2018-3646 for virtual machines because HyperThreading is enabled and the hypervisor core scheduler is not enabled. To enable mitigations for CVE-2018-3646 for virtual machines, enable the core scheduler by running "bcdedit /set hypervisorschedulertype core" from an elevated command prompt and reboot.


    which is kinda weird since i dont have hyper-v installed....
      My Computer


 

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