Run Win7 Guest (raw disk) in Ubuntu (which was installed as Dual Boot on existing Win7)

Posted by kingdango on Ask Ubuntu See other posts from Ask Ubuntu or by kingdango
Published on 2012-12-15T15:49:52Z Indexed on 2012/12/15 17:18 UTC
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Filed under:

dual-boot

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windows-7

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virtualbox

I installed Ubuntu 12.10 on top of Win 7 as a dual boot (awesome!). I'm hoping to use VirtualBox to run my original Win7 instance as a guest OS under Ubuntu. I found this existing question and followed the directions to no avail.

I can get the VMDK file created but when I run it I just get a blank black screen with no additional information and Windows never loads. I see no HD activity or anything that would indicate it's loading.

I used this command to create the VMDK file:

VBoxManager internalcommands createrawvmdk -filename ~/.VirtualBox/Win7Native.vmdk -rawdisk /dev/sda3

It looks like everything was created correctly but I just get a blank screen when I run the VM.

I do get this warning when I boot the VM:

VirtualBox - Warning

The virtual machine execution may run into and error condition as described below...

The medium '/home/XXX/.VirtualBox/Win7Native.vmdk' has a logical size of 583GB but the file system the medium is located on can only handle up to 16GB in theory.

We strongly recommend to put all your virtual disk images and the snapshot folder on a proper file system (e.g. etc3) with a sufficient size.

ErrorId: Fat Partition Detected Severity: Warning

How can I get this working?

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