Unanswered Questions
4,619 questions with no upvoted or accepted answers
9
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1
answer
4k
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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 ...
- 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 ...
- 8,477
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
2
answers
12k
views
Bad Block on Virtual Machine (Virtual or Physical Problem?)
I am dealing with a virtual machine that is receiving the following entry in the event log:
TIME OF EVENT: 7/30/2011 3:47:05 PM EVENT LOG: System EVENT
SOURCE: disk EVENT ID: 7 SEVERITY: Error ...
CommunityBot
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8
votes
1
answer
36k
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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
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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
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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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7
votes
1
answer
2k
views
Using directory as initrd in QEMU
Is there a way to use a directory as initrd when booting QEMU?
I know how to use the -kernel and -initrd flags for QEMU to boot a kernel and initrd without needing to first create a bootable device ...
- 221
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
0
answers
10k
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How to use Windows WSL to configure routing? Is this possible?
I noticed that IP forwarding appears to be enabled in WSL (Windows 10pro 1709), according to sysctl. I'm hoping I can use this to make a software router on WSL -- to play with Hyper-V VM traffic on ...
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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
831
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
comparing between two VM snapshots?
I already know some programs can compare between two snapshots but they only work on my real machine but I want to know how to know the difference between two virtual machine snapshots
Example :
-&...
- 203
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
- 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
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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
2k
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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....
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5
votes
0
answers
10k
views
Booting into UEFI shell with qemu
I've set up an environment in QEMU, but I'm having some troubles booting into the UEFI console. I'm running QEMU v 5.0.1 and am running Ubuntu 16.04 using edk2 for my UEFI environment with ...
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5
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0
answers
1k
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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
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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
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5
votes
1
answer
3k
views
No DHCP Reply on bridge with QEMU and TAP interface
I have a host machine running a virtual machine with QEMU and i want the DHCP server on the host providing an IP address to it.
I am using static ethernet addresses for the guests, so i start them up ...
- 101
5
votes
0
answers
3k
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Is there any way to type the clipboard to the guest in VMware
Similar to this question for VirtualBox:
How do you auto-type the contents of the clipboard from the host into a guest Virtual Box instance?
Is there any way to type the contents of the clipboard to ...
- 254
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
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5
votes
0
answers
1k
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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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5
votes
2
answers
2k
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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 ...
