Unanswered Questions
4,141 questions with no upvoted or accepted answers
13
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0
answers
5k
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How to make vEthernet (Default Switch) appear in Network Connections of Control Panel again?
In my Windows 11 machine I do not see the vEthernet (Default Switch) shown in the Network Connections of the Control Center (Control Panel\Network and Internet\Network Connections) or Settings (...
13
votes
4
answers
9k
views
Windows 10 Home - 1809 Virtualization Features
I'm running Windows 10 Home edition. Recently updated to 1809. Found a few new features and services related to virtualization. Does this mean Hyper-V is now available for Home edition too? What do ...
CommunityBot
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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
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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 ...
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8
votes
0
answers
1k
views
How do I use Hyper-V with multiple monitor monitor support but leaving one?
I currently have 3 monitors but I need to use Virtual Machine remotely on two monitors and on one native OS or some other application. When I connect to VM and check "Use All My Monitor", in full ...
- 181
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 ...
- 8,487
8
votes
0
answers
1k
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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 ...
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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
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6
votes
0
answers
8k
views
'IpICSHlpStopSharing' : '0x80070490' in event log
Suddenly I begin to see a lot of errors in my event log (Windows 10 Pro Build 19041):
'IpICSHlpStopSharing' : '0x80070490'.
Source: Host-Network service.
I am working with Hyper-V (and Docker) and ...
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 ...
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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
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6
votes
0
answers
832
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
1
answer
8k
views
Accessing Localhost from Hyper-V VM
I currently have a PC running Visual Studio/IIS Express and I need to do some IE8 testing, which requires me to run a Hyper-V VM.
When I go into the Hyper-V VM, I can't seem to go to reach http://...
CommunityBot
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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
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6
votes
1
answer
5k
views
How to paste password to login screen in Hyper-V VM
I use Hyper-V in my Windows 10 and need to be able to paste passwords into login screens (I use password manager to generate and store strong passwords.)
The login screen ignores Ctrl-V and context ...
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
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5
votes
3
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 ...
- 2,307
5
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
5
votes
0
answers
2k
views
How can I migrate a WSL2 filesystem to a HyperV or VirtualBox VM?
I have an existing Ubuntu 18.04 WSL2 installation on my Windows 10 machine. I want to start using a linux VM instead of WSL2 instead but I don't want to set up my VM from scratch again. Is there some ...
- 51
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 ...
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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
397
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
- 267
5
votes
0
answers
25k
views
How to use dual monitors with Hyper-V?
I've set up Hyper-V on my Windows 10 pro Laptop (Dell XPS 15 9650), guest OS is also Windows 10 pro.
The host os is using an external display (set to extend).
When I start the VM from Hyper-V ...
- 151
5
votes
0
answers
1k
views
Docker for Windows unresponsive after restarting VM
I've installed Docker for Windows on my Windows 10 machine, which uses Hyper-V. The default VM that gets installed is the MobyLinuxVM. To change some settings, I shut down and restarted the VM. But ...
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
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