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Unanswered Questions

2,376 questions with no upvoted or accepted answers
7
votes
1answer
2k views

Howto run a raw-disk Virtualbox VM when using UEFI

I have a dual-boot setup on my computer with Windows 10 and Linux (Arch, if relevant). I'm trying to virtualize my on-disk Linux install in Windows (and plan on doing the opposite direction once I ...
7
votes
0answers
810 views

VBoxManage: error: Cannot read the partition information from '/dev/disk0'

I'm trying to make a partition .vmdk file for Virtual Box. Basically I want to boot my bootcamp partition box up in Virtual Box. But I get the following error when I try to make the .vmdk file ...
7
votes
1answer
2k views

Is Xfce supposed to run slowly on Virtualbox?

This is my first question, so I'm sorry in advance if my question is not good/descriptive enough. I'm having problems getting Xfce systems on Virtualbox to run smoothly. What I mean by slow is that ...
6
votes
1answer
3k views

VirtualBox: USB device is busy with the previous request

I want to use my pendrive on Arch Linux that is currently on VirtualBox. My host system is Windows 10. I've already added a USB device filter, but Arch doesn't see any USB disk. When I try to connect ...
6
votes
1answer
3k views

Vagrant virtual machine automatically halting when laptop is put to sleep

I’m using a Vagrant box (running in VirtualBox) I got from a third party and it always automatically shuts down when I put my MacBook Pro to sleep. When I wake up my laptop I need to run vagrant up to ...
6
votes
3answers
4k views

How can I troubleshoot VirtualBox port forwarding from Windows guest to Mac OS X host not working?

There is a plethora of questions about VirtualBox port forwarding problems but none with my specific details. Details of setup: I have a Windows 7 Professional 64bit install living in VirtualBox 4.1....
5
votes
1answer
4k views

How to enable virtio in Virtualbox?

My VM (Ubuntu 12.04) has 2 network interfaces attached which is recognized as eth0 and eth1. Now I want to change the cards to virtio to improve the performance, so I open VM settings and change both ...
5
votes
1answer
2k views

Linux windowed GPU passthrough

I've read that GPU passthrough on linux (ubuntu/mint) is possible with the correct types of hardware. I'm looking for a specific use case of passthrough and I'm wondering whether technology has ...
5
votes
0answers
2k views

Virtualbox host io cache applying scenarios

Virtualbox docs says that using host io cache for sata controller may be a risk of system performance. At the same time, on my case I see advantage of using host io cache - DisckCrystalMark reports ...
5
votes
0answers
2k views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
5
votes
0answers
1k views

Is there a list of keys and values for VBoxManage setextradata subcommand?

The setextradata subcommand of VBoxManage tool of VirtualBox 4.3.12 (and others) provides a lot of useful tweaks and even esential features, like activation of symbolic links with VBoxManage ...
5
votes
0answers
2k views

Is it possible to run Corona SDK on ReactOS or Wine?

I dumped Windows, I'm now using Xubuntu. Is it possible to run Corona SDK on Wine? On Corona forums, they say no, but I wounder how this guy did it? Is ZeroBrane a solution? What about ReactOS (or ...
5
votes
1answer
226 views

VirtualBox not allowing me to modify IPv4 Network Mask?

I use Oracle VM VirtualBox to run a web server on my machine. I had it set up and working perfectly for a while. For the past few months it's been prompting me to update, and I finally gave in and ran ...
5
votes
0answers
6k views

Why is virtualbox networking using virtio slow (bridged and host-only, Debian)

I'm currently installing a VirtualBox Server using Debian for Host and Client. I experience some trouble regarding network performance and CPU load especially using host-only networks and I've no idea ...
5
votes
0answers
1k views

Mac 10.8 Guest Multiple Monitors in Virtualbox

I've done a bit of searching and cannot seem to find an answer to my question. I have Mac OS X Mountain Lion guest installed on a virtual machine using Virtual Box with a Windows 7 host. I've found ...

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