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virtualbox - Why does virtual box vboxheadless process using Vagrant use 100% of my cpu?

So I'm using a couple vagrant boxes and when i have them up, "sometimes/randomly" it starts to take up 100% cpu on my OS X machine and i have no idea whats causing it. I can ssh into the vmachine and check the load and it's at 0 sot its not something thats running in the box.

The only way I can fix this is if i suspend it and resume it, then it goes away until randomly it starts to happen again. Sometimes hours later, sometimes days later.

The only thing I can think of is it might be because i'm using nfs mounts within my virtual machine to access my projects, but i'm not sure yet. Any ideas?

question from:https://stackoverflow.com/questions/28293238/why-does-virtual-box-vboxheadless-process-using-vagrant-use-100-of-my-cpu

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EngineerCoder's answer only applies if you're using CoreOS.

I've run into problems if the VirtualBox Extensions pack version differs from the version of VirtualBox. Also, install the Vagrant VirtualBox guest plugin:

vagrant plugin install vagrant-vbguest

And make sure to update the plugin when you update Virtualbox and the extension pack:

vagrant plugin update vagrant-vbguest


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