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20 questions with no upvoted or accepted answers
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....
retardedmf-9t86's user avatar
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 ...
Bob th's user avatar
  • 151
2 votes
0 answers
759 views

libvirt and hotswappable single USB port with virt-manager - almost there?

Description USB not visible on Debian guest. I cannot see anything obvious from the logs but because I do not have much virtualisation experience I assume I missed a step in the configuration, ...
AnonymousAardvark's user avatar
2 votes
0 answers
3k views

How speedup qemu? My launch parameters very slow

Im try launch VM under windows 10 x64, qemu 4.0.92.0 on my rented VDS qemu-system-x86_64 -m 4G -accel tcg,thread=single -smp cpus=1,cores=2,threads=2 -boot order=d -drive file=C:\Users\admin\...
genry's user avatar
  • 41
2 votes
0 answers
358 views

VM inside host VM cannot see avx cpu flag

I have an Ubuntu 14.04 server installed on a VM inside VirtualBox. This VM acts as my host for other VMs. I ran a Linux based image using qemu inside this host VM. The host VM has cpu flag avx but the ...
alvintang's user avatar
2 votes
1 answer
1k views

QEMU installation is broken

I am trying to run a Windows 10 VM on Windows 10. What I did I downloaded QEMU exe, then got Windows Installation Media to get the Windows 10 iso file. Then I simply moved to the Windows 10.iso file ...
Zack Chen's user avatar
1 vote
0 answers
75 views

Arch AMD GPU Single GPU passthrough detatch script results in black screen

I've succeeded in setting up my windows 11 VM for single gpu passthrough, however, when stopping the vm, my screen remains black. I'm using arch linux. start script: (working) set -x source "/etc/...
Twiston's user avatar
  • 11
1 vote
0 answers
167 views

AMD GPU pass-through doesn't work on Windows 7 (even though NVIDIA works)

I have a multi-gpu VM setup (Nvidia GTX 970 and AMD RX 6600) with Windows 7, Windows 10, macOS virtual machines. I pass GPU directly to a guest operating system (isolate from host-os and pass them ...
user3027198's user avatar
1 vote
0 answers
307 views

Create Debian ARM image on Windows 10

I want to create a Debian ARM image using QEMU on my Windows 10 machine. I created my command using hints from here: qemu-system-aarch64 -M virt -m 16384 -cpu cortex-a72 -smp 4 -bios QEMU_EFI.fd -...
user avatar
1 vote
0 answers
1k views

QEMU: "Why did my PC restart"

After installing QEMU and putting the Windows 10 iso file in the same directory as where I downloaded QEMU, I ran these commands: qemu-img.exe create -f qcow2 -o cluster_size=2M win10.qcow2 50G qemu-...
Zack Chen's user avatar
1 vote
0 answers
1k views

Can I safely copy vmdk disk while VM is still running?

I have a virtual machine in QEMU with snapshots (vmdk-disk) and I need to have a clone of that machine in another host. But I can't shutdown this VM for some reasons and can't clone it through the ...
NK-cell's user avatar
  • 195
1 vote
2 answers
2k views

VGA and Audio assigned to VFIO but not USB and Serial Controller of RTX 2080

Summary I'm trying to set-up GPU-passthrough on a linux host with KVM so that I might run a Windows guest for gaming. I've been having a problem where some IOMMU entries (all belonging to the GPU I ...
Joseph Szymborski's user avatar
1 vote
0 answers
365 views

Pass through ACPI devices in KVM

Is there a way to pass through ACPI devices to a KVM guest? I'm trying to create a debugging environment for an ACPI device.
Ayman's user avatar
  • 11
1 vote
0 answers
374 views

How to disable buffering for a LVM partition under QEMU KVM

I'm using Windows 10 under QEMU KVM on a Fedora 27 box. Disk for a VM is attached as a raw LVM partition with cache=none. <disk type='block' device='disk' > <driver name='qemu' type='raw'...
Denis Bazhenov's user avatar
1 vote
0 answers
462 views

Passing USB controller to VFIO Virtual Machine

Im running a Windows 10 VM using qemu version 2.10.1 on kernel 4.14.1 with a GPU passed through. I can also pass through an Intel-based USB controller. So far so good. My Intel USB controller does ...
user1202032's user avatar
1 vote
0 answers
1k views

How can I emulate Windows Server 2008 R2 with QEMU? / Cannot virtualize Win2K8 R2 using QEMU on Windows Host

I have used precompiled QEMU 2.2.0 (64-bit version) to emulate a PC running Windows Server 2008 R2. The Host OS is Windows 8.1 Enterprise 64-bit, and my CPU doesn't support Intel VT-x so I can't use ...
Hadi77's user avatar
  • 93
0 votes
0 answers
17 views

Libvirt/QEMU using real drive, showing virtual data in VM

I'm using a real drive as my windows 11 VM drive in libvirt using QEMU. This is working fine, however, when I open task manager, the drive shows as "QEMU HARDDISK", and shows up as an HDD (...
Twiston's user avatar
  • 11
0 votes
1 answer
3k views

How to Reach QEMU VM's with IP Address (Optionally Static)?

Situation I have two QEMU KVMs (named master and worker, respectively) running on my laptop. The VMs use the headless server edition of Ubuntu 22.04, and the laptop is running Mint. Goal I want three ...
Della's user avatar
  • 101
0 votes
0 answers
250 views

How to pass command key usage to QEMU Guest? (As in using Command-Q corresponds to the guest seeing Meta-Q, not quitting QEMU.)

I'm trying to use a Linux VM on MacOS with QEMU but I'm having a problem: I need to change the config to set up hyprland all the way but hyprland looks for shortcuts involving the super (meta/command/...
JustAnotherCodemonkey's user avatar
0 votes
0 answers
928 views

How to make both host and guest visible on the Internet with QEMU?

Here is what I am trying to achieve. Using the bridge helper described here wiki I want to connect both my host and my guest to the Internet. Here is what I am doing, the commands roughly look like ...
Artyom Gevorgyan's user avatar