Why does Guru Mode happen in VirtualBox Virtual Machines?

Discussion in 'sandboxing & virtualization' started by DesuMaiden, Feb 7, 2016.

  1. DesuMaiden

    DesuMaiden Registered Member

    Joined:
    Jan 25, 2013
    Posts:
    534
    I recently encountered Guru Mode on one of my VMs. Can anyone explain why that happened?
     
  2. chrisretusn

    chrisretusn Registered Member

    Joined:
    Jun 16, 2004
    Posts:
    1,322
    Location:
    Philippines
    Assuming you mean Guru Meditation, here is a pretty good explanation.

    What the heck is this Virtualbox Guru Meditation error about? - fixedByVonnie

    In a nut shell it means VirtualBox hit a bug and is in debug mode. You can let the VM continue to run or close it.

    With a VM that shows Guru Meditation as a state, running VboxManage as follows normally clears it.

    VBoxManage controlvm <uuid|vmname> poweroff

    On some systems it's vboxmanage.
     
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