Unanswered Questions
3,565 questions with no upvoted or accepted answers
9
votes
1
answer
4k
views
Is Xfce supposed to run slowly on Virtualbox?
I'm having problems getting Xfce systems on VirtualBox to run smoothly. What I mean by slow is that moving or resizing windows looks very "laggy" (basically just windows jumping from one ...
CommunityBot
- 1
8
votes
0
answers
1k
views
Running Android Emulator with HAXM acceleration and VirtualBox in parallel on Windows
I am trying to understand if it is feasible to run the Android Emulator with HAXM-based acceleration and VirtualBox side by side on the same Windows host.
I have a Windows host running a 64 bit ...
- 81
8
votes
1
answer
2k
views
How to 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 ...
- 8,459
8
votes
0
answers
1k
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
...
- 221
8
votes
1
answer
36k
views
Pass VirtualBox Guest connections through proxy
The computer is inside a company and only have internet access through proxy. I want the guest inside the VirtualBox to access the internet without changing anything in the guest. The host is Windows ...
7
votes
0
answers
18k
views
How to overcome VirtualBox 256MB limit of video memory
My host machine has a 2GB graphic card (GeForce GT740M) but VirtualBox allows me to use just 256MB of memory. Because I would use CAD applications on Win7 (Guest) I would like to have more memory to ...
- 1
7
votes
0
answers
3k
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 ...
CommunityBot
- 1
6
votes
0
answers
5k
views
rcu_sched detected stalls on CPUs/tasks
I'm running many VMs using Virtualbox. These VMs use Debian 10.3 (the latest version). And I'm experiencing bugs / freezes as you can see below. It looks like this is happening on the VMs where I ...
- 121
6
votes
3
answers
9k
views
Vagrant hangs on SSH auth method: password
I’m trying to load a VM via Vagrant. It’s my first time attempting anything like this.
I'm using Windows 10 64bit and trying to run my MS Server 2016 standard.
I created a new VM in VirtualBox and ...
CommunityBot
- 1
6
votes
0
answers
827
views
VBoxManage setextradata command does not add avx2 to /proc/cpuinfo
Linux & VirtualBox noob here, so please go easy.
I've been running into problems compiling code with scipy in a VirtualBox 5.2 VM running Fedora 26 on my host Windows 10. The cryptic error output ...
6
votes
0
answers
3k
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 ...
- 111
6
votes
3
answers
6k
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....
CommunityBot
- 1
6
votes
3
answers
6k
views
Mac OS X Server 10.6.6 "disables" CPU in VMware Fusion
I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
CommunityBot
- 1
5
votes
2
answers
8k
views
Ubuntu VM hangs in VirtualBox under Window 10: "watchdog BUG: soft lockup - CPU#0 stuck for 23s"
This is Windows 10 with VirtualBox installed and Ubuntu virtual machine with Apache server.
Often CPU hangs on the Ubuntu virtual machine, taking up to 50% host CPU usage with no response at all, when ...
CommunityBot
- 1
5
votes
0
answers
1k
views
Installing Windows virtualization features within KVM virtual machine causes early-boot guest crash
See updates below for what I've discovered about the more general nature of this problem.
I have a Windows VM running OVMF firmware with VFIO passthrough for a graphics card running on an Arch Linux ...
5
votes
1
answer
2k
views
How can I emulate Ubuntu 18.04 on MacOS using qemu?
How can I run Ubuntu 18.04 on my MacBook Air (Mojave) using QEMU? (yes I have to use QEMU for now.) I got QEMU from here. But also got it from Homebrew as well.
I've tried looking at the QEMU's ...
- 101
5
votes
2
answers
19k
views
VM got 10.0.x.x address instead of 192.168.x.x address?
I've searched the similar question (and prepared to be downvoted too).
I'm new to virtualbox, and I have Ubuntu-server-VM (with guest addition installed) run on my Windows-10-Host using VirtualBox-5.2....
CommunityBot
- 1
5
votes
2
answers
8k
views
Boot a physical disk with EFI in VirtualBox Ubuntu 18.04 host
I used to use legacy BIOS booting on this machine to dual-boot Ubuntu 16.04 and Windows 10 across three hard drives. I used GRUB to boot to Ubuntu on an SSD and HDD combo and Windows 10 on it's own ...
CommunityBot
- 1
5
votes
0
answers
390
views
What does it mean open mode in Virt-Manager?
Virt-Manager offers a network "open mode". Could you tell me what does it mean?
For example:
I use Fedora 26 with virt-manager 1.4.2
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5
votes
0
answers
440
views
KVM switch switches automatically on VirtualBox usage
I am using KVM switch Multico EW K1904U. The problem is that it confilcts with Oracle virtual box somehow.
Particularly, if I am terminating virtual machine on computer 1, it switches to computer 2 (...
CommunityBot
- 1
5
votes
2
answers
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
1
answer
4k
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 ...
CommunityBot
- 1
5
votes
0
answers
2k
views
virtualbox windows 10 guest stuck at low resolution on ubuntu host
I am running Ubuntu 14.04 as a host and Windows 10 as a guest in Virtual Box. I used Windows 8.1 as the operating system type when I set up the box. Windows 10 runs fine. I was able to install Guest ...
5
votes
0
answers
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 ...
CommunityBot
- 1
5
votes
1
answer
553
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 ...
- 8,129
5
votes
0
answers
7k
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 ...
Kai Giebeler
5
votes
1
answer
12k
views
How to launch multiple instances of VM image in VirtualBox?
I would like to configure a machine image with all the bells and whistles and then be able to launch multiple instances of it in VirtualBox. However, it allows me to launch only a single instance of ...
CommunityBot
- 1
5
votes
0
answers
2k
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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5
votes
1
answer
2k
views
How do I create a hardlink in guest user in virtualbox
Apparently, VirtualBox does allow to create hard and soft links inside guest os on shared folders . Now the thing is I need to install a package that is creating hard links
Hardlink("lib/abc", "/...
- 183
5
votes
0
answers
228
views
Win7 VirtualBox Server with TeamCity keeps BSODing
I'm testing out TeamCity with a small project (one checkin per day or so, small code base) on a Windows 7 VM in VirtualBox. I've had many successful VMs on this host, some of which were also Windows ...
- 655
5
votes
0
answers
3k
views
How do I make VirtualBox's vboxnet interface show up in the OS X network configuration GUI?
I'm willing to do any amount of frobbing of settings in .plist and .xml files to make this work.
The scenario is this:
I have a nice Android based phone. The phone can do USB tethering. OS X 10.6 ...
- 672
4
votes
0
answers
2k
views
Qemu throws back error after i tried to use whpx acceleration (not sure if this the right community)
I am using qemu to emulate Zorin OS 16 (a hour old user of qemu) I tried to emulate Zorin OS 16 with whpx acceleration with this command in power shell:
qemu-system-x86_64.exe -boot d -cdrom zorincore....
- 546
4
votes
0
answers
2k
views
Unable to install WSL on windows 10 running inside virtual box
I have followed the exact steps of installing WSL on windows 10 guest OS running on virtual Box.
I installed Ubuntu from Microsoft App store. But when I click on Launch I get the
following error -
...
- 572
4
votes
0
answers
3k
views
How tu run Android Generic System Image (GSI) on qemu-aarch64?
Android GSI contains a system.img and a vbmeta.img. I tried qemu-system-aarch64 system.img -machine virt but qemu simply hangs.
If we can directly run the offical pre-built android image, creating an ...
- 569
4
votes
1
answer
5k
views
Ubuntu 18.04 freezes in virtual box on Windows 10 host
I run Ubuntu 18.04 on virtual box on Windows 10 host. If I open a few windows, watch a youtube-video or do anything that is the least bit heavy ubuntu freezes and the windows task manager reports ...
CommunityBot
- 1
4
votes
1
answer
14k
views
Can't drag-drop from Windows 10 to Ubuntu VirtualBox machine
Trying to drag/drop (or copy/paste) files or folders from my Windows-10 (x86-64) machine to an ubuntu VirtualBox machine. It does not work.
My VirtualBox version is: 5.1.26 r117224. Guest machine is ...
CommunityBot
- 1
4
votes
0
answers
5k
views
Recompiled QEMU with OpenGL, but virt-manager or libvirt tells me This QEMU doesn't support spice OpenGL
I wanna to use virtio-gpu according to this blog:
https://www.kraxel.org/blog/2016/09/using-virtio-gpu-with-libvirt-and-spice/
I am using Debian testing, but QEMU in offical debian source is not ...
4
votes
0
answers
1k
views
How can I use macvtap for bridging to home wifi network?
I have Ubuntu 16 host machine with kvm/libvirt virtual machines.
How can I bridge the virtual machines to my host's connected wifi network (my home wifi network)?
I see people say something about ...
- 109
4
votes
0
answers
514
views
Autorun zerofree on boot (or on shutdown)
I have a virtualbox vitual server that keeps growing. To keep its virtual disk small I'm manually shrinking it using VBoxManage modifyhd disk.vdi compart after zeroing unused space on the disk using ...
- 193
4
votes
1
answer
12k
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 ...
CommunityBot
- 1
4
votes
0
answers
1k
views
What are the risks of setting VirtualBox CPU count up to the *logical* CPU count?
The GUI and the documentation of VirtualBox warn about setting virtual CPU count higher than the physical CPU count:
You should not, however, configure virtual machines to use more CPU cores than ...
- 1,937
4
votes
1
answer
4k
views
Permanently set keyboard layout in X11
I need a psychiatrist for my PC.
It is convinced it is an iMac (sort of).
Seriously: I have a problem which popped up apparently from nowhere, most likely due to some upgrade with "side effects", ...
CommunityBot
- 1
4
votes
0
answers
440
views
Accessing gnome boxes image from outside?
On my Fedora 25 system I use gnome boxes for some testing with debian/dnscrypt/pi-hole. Here's my problem: The image is behind NAT. I can reach it with the host system but not with other computers in ...
- 4,054
4
votes
0
answers
2k
views
VERR_VMX_IN_VMX_ROOT_MODE when running VirtualBox with libvirt installed
I'm running RHEL 6.4. I had been using a VirtualBox VM to run a simulator, but recently installed libvirtd for a different project. Now I want to run my VirtualBox VM again, but keep getting an error ...
- 193
4
votes
0
answers
1k
views
How to set network location for VirtualBox Host-Only Network adapter on Windows 8 between private/public?
I have configured a Windows Server 2008 guest on VirtualBox v5.0.10 on a Windows 8 host laptop. They work fine and ping each other on bridged mode, IP address are served by a wireless router.
...
CommunityBot
- 1
4
votes
0
answers
2k
views
Cannot delete VirtualBox snapshot due to "insufficient space"
My disk is full because my VirtualBox snapshots are consuming a large amount of space. But, I cannot delete the snapshots because there's insufficient space.
I would rather have my snapshots stored ...
- 1,438
4
votes
1
answer
1k
views
Override localhost IP Adress in Windows 8.1
I'm trying to set up Windows 8.1 virtual machine through VirtualBox for testing a server running on my Mac (running Yosemite 10.10.3). VirtualBox sets up a the IP 10.0.2.2 to point to the host machine'...
- 727
4
votes
1
answer
564
views
Getting Mac Docker client to connect to virtualbox via vagrant
I am trying to expose dockers tcp ip to my host docker client. I have the following setup
Virtualbox 4.3.26 r98988
vagrant 1.7.2
Mac OSX Mavericks 10.9.5
Centos 6.6 vagrant box running (docker 1.5.0)
...
- 141
4
votes
1
answer
1k
views
Cannot create a virtual machine on Fedora: Activation of org.freedesktop.machine1 timed out
I am trying to create a new VM within Fedora using virt-manager. However, I get the following error:
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/asyncjob.py", line ...
4
votes
1
answer
855
views
Vagrant windows 8.1 box timeouts - even though the machine boots correctly
I have a simple vagrant master box, that has Windows, drivers for it, and VB guest additions installed.
I've added that machine as a box, and tried creating a simple vagrant vm with only the basic ...
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