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Unanswered Questions

2,601 questions with no answers
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 ...
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 ...
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 ...
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 ...
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 ...
6 votes
0 answers
10k views

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 ...
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 : -&...
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 ...
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....
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 ...
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
0 answers
3k views

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 ...
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 (...

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