All Questions
33
questions
0
votes
0
answers
35
views
same ip range and subnet in 2 different bridges
I am trying to create 2 different virtual networks in the same ip range (not using NAT) in virt manager.Doesn't work with the gui or editing the xml of the new virtual network . Is the best way to ...
- 1
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 ...
- 180
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 ...
- 101
4
votes
1
answer
3k
views
Can I get more screen resolution options for a QEMU virtualized Windows using a VirtIO graphics card?
When virtualizing e.g. a Windows 10 installation with QEMU and using the default graphics card (with no command line option set), it shows up as a "Microsoft Basic Display Adapter", and one ...
- 165
3
votes
0
answers
4k
views
Virsh doesn't list virtual machines
On arch, I set up a number of VMs using virt-manager. My user is part of the libvirt group, and I can access virsh, but virsh list without root access doesn't list the VMs I created:
$ virsh list --...
- 1,472
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, ...
3
votes
2
answers
818
views
Possible to move a guest OS on VirtManager (Linux) to Windows?
For VirtualBox or VMware Workstation,one could copy the guest OS data directory to another computer and run it there. For example, I could create a guest OS on Linux, and then copy the guest data ...
- 3,994
1
vote
1
answer
4k
views
Unable to load Nvidia drivers in QEMU virtual machine
I have an Ubuntu Server 20.04 LTS on an Alienware Aurora R6 (i7-7700 CPU with a Nvidia GTX 1080). I am relatively new to type-1 hypervisor and have some experience with type-2 (VirtualBox).
On the ...
- 735
2
votes
1
answer
8k
views
virt-manager - spice-guest-tools not working on Windows 10 guest
Host: Debian Bullseye
Guest: Windows 10 20H2
Hypervisor Details:
Hypervisor: KVM
Architecture: x86_64
Emulator: /usr/bin/qemu-system-x86_64
Chipset: Q35
Firmware: BIOS
Windows in the VM is running ...
1
vote
1
answer
6k
views
QEMU/KVM emulating vmware graphics
I'm trying to migrate to virtual and old physical machine with nvidia GPU.
I've succesfully done it with virtualbox with vmware graphics emulation, worked like charm after some tuning.
On the other ...
- 13
0
votes
1
answer
686
views
VM with VLAN trunk on KVM
what exactly do I need to configure on Ubuntu18-based QEMU/KVM server to pass a trunk with >1 VLANs to a VM on it? (basically the equivalent of setting VLAN ID to 4095 on a port with ESXi) Some ...
- 97
0
votes
1
answer
4k
views
How do I import qcow2 VM images in ovirt via Admin Portal?
With oVirt node and engine VM installed, I've added my qcow2 image to the export domain (/nfs/export). I've tried in both the base dir of export domain, and also in the following (where /nfs/export/...
- 89
3
votes
1
answer
6k
views
QEMU/KVM - Getting "Error connecting to graphical console: Error opening Spice console SpiceClientGtk missing" when trying to create a VM
I am trying to create a virtual machine using QEMU/KVM. I am getting an error:
Error connecting to graphical console: Error opening Spice console SpiceClientGtk missing
I have looked around but ...
0
votes
1
answer
4k
views
KVM/QEMU: Virt manager put automatically EPYC-IBPB cpu in cpu configuration
I have a problem with virt manager. When I tick "copy host configuration" or write host-passthrough" and I start the VM, the CPU model returns automatically to EPYC-IBPB CPU.
And if I ...
0
votes
1
answer
6k
views
GPU passthrough no output
I followed this guide to setup a vm with pci passthrough.
My setup:
MSI Z170 Gaming M7
i7-6700K
GTX1080[Host]
RX580[Guest]
Host OS Manjaro KDE on 5.4
Guest OS Win10
I can confirm that the GPU ...
- 105
27
votes
1
answer
18k
views
What is the difference and relationship between kvm, virt-manager, qemu and libvirt?
I investigated this topic and here are my conclusions (But I still have questions. And please correct me if I made any mistake in my conclusions):
VMWare:
VMWare developed its VM Hypervisor SW in 1999,...
- 373
1
vote
1
answer
3k
views
Can't boot VirtualBox vdi virtual machine image converted to raw image in QEMU/KVM: not a bootable disk
I have a .vdi VM image created with VirtualBox and converted it to raw and qcow2 images like this:
VBoxManage clonehd --format RAW ./vm.vdi ./vm.img
qemu-img convert -f raw ./vm.img -O qcow2 ./vm....
- 344
0
votes
1
answer
1k
views
QEMU-KVM: Can't virtualize in nested hypervisor with error: ERROR Host does not support any virtualization options
I have a qemu-kvm hypervisor in Ubuntu (Level 0) with a CentOS 7 as a VM (Level 1), which I also installed QEMU-KVM, turning it into another hypervisor, where I intend to have Arch as a VM (Level 2). ...
- 362
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.
- 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'...
- 206
0
votes
0
answers
384
views
How to map an address of a guest OS to host OS
Given a guest OS address on a virtual machine, how can I map it to host OS and vice versa.
I am running a guest OS (Ubuntu 16.04) using QEMU emulator (version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.26)) ...
- 101
0
votes
1
answer
594
views
Installing Windows VM on unclaimed sectors of a drive with QEMU/KVM
I have a single 500 GB NVMe drive. I'm using GPT and I have the following partitions:
1G of ef00 / EFI System for /boot
4G of 8200 / Linux swap
245G of 8300 / Linux filesystem for a Linux install, my ...
- 659
0
votes
0
answers
267
views
In step 3 of 4 in creating virtual network for QEMU/KVM, network IPv6 address space definition is red
When I search "choose ipv6 address space for virtual network," Google showed no results, but shouldn't that be in archives somewhere on the Internet?
When I type in the IPv6 network in the "Network" ...
2
votes
1
answer
3k
views
How to(Libvirt) attach floppy image device to guest VM?
Say, I have floppy.vfd image.
How should I fill my xml file in order to attach floppy image?
I have template like
<disk type='*' device='*'>
<device name='*' type='*'/>
<...
anon
2
votes
2
answers
4k
views
Qemu: Is it possible to have BOTH the virtual display and VGA passthrough in a Windows guest?
This guy implies that it's possible to have both the virtual display and a VGA passthrough display device active at the same time..
I've tried this, both with libvirt and with the qemu commandline. ...
- 300
0
votes
0
answers
215
views
Windows licensing in multi VM config
I am planning on building a Linux machine, running up to two Windows VM's at once with KVM and Qemu. I am aware that according to Microsoft's licensing I am required to have a license per VM, however ...
- 1
2
votes
1
answer
3k
views
How do i update available versions for operating system types in virt-manager
How do i update available versions for operating system types in virt-manager?
For example for Ubuntu, only up to Ubuntu 14.04 LTS is in the menu but I'm installing Ubuntu 16.04 LTS. Installation ...
- 402
32
votes
3
answers
73k
views
libvirt: "Failed to initialize a valid firewall backend"
I'm trying to set up a virtual NAT network device without DHCP for libvirt on an Arch Linux host.
What I have tried:
# virsh net-define network.xml
Network default defined from network.xml
[...
- 429
0
votes
0
answers
525
views
Installing VMs in CentOS 7 host from ISO?
I'm trying to install a CentOS 7 guest in a CentOS 7 host, using text only. I'm using simillar commands as:
virt-install --name centos7 --ram 1024 --disk path=/var/kvm/images/centos7.img,size=25 --...
- 135
4
votes
2
answers
7k
views
Unable to resume KVM guest after rebooting host
I'm running KVM on Linux Mint 17.1, kernel 3.16.0-31-generic. The only guest is a Windows 8.1 VM. I've noticed that if I reboot the host while the guest is running, I'm unable to resume the guest ...
- 812