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VirtualBox stopped working with the update to 10.8.2

I just upgraded to 10.8.2 and VitualBox stopped working.


This is the error:

Failed to open a session for the virtual machine dev_env_oraxe.

VT-x is being used by another hypervisor. (VERR_VMX_IN_VMX_ROOT_MODE).

VirtualBox can't operate in VMX root mode. Please close all other virtualization programs. (VERR_VMX_IN_VMX_ROOT_MODE).

Result Code: NS_ERROR_FAILURE (0x80004005)
Component: Console
Interface: IConsole {db7ab4ca-2a3f-4183-9243-c1208da92392}


Does anyone have a clue?


I don't want to be forced to restore from backup.


Thanks

MacBook Pro with Retina display, OS X Mountain Lion (10.8.2)

Posted on Sep 19, 2012 2:20 PM

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Sep 19, 2012 7:12 PM in response to mtalonm

I agree that the firmware update caused the issue. I was fine immediately before the update and received the error immediately after.


It was metioned previously in this forum and on other forums that you can import Virtualbox VMs in Parallels as a workaround. I am going to give it a try.

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Sep 19, 2012 9:04 PM in response to Karl.Y

Until we have the real solution, you can download the parallels trial. It works like a charm. Before you can use your VM, the import wizard will ask you to convert the image to something compatible with parallels.


This is not the real solution, per example, a Vagrant configuration cannot be used with Parallels.


I think this is a embarassing bug, because the open source community noticed it before this update was shipped.

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VirtualBox stopped working with the update to 10.8.2

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