Questions about the Kernel-based Virtual Machine, an open source virtualization infrastructure to use the Linux kernel as a hypervisor.

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Why can't I see a QXL device in my windows 10 kvm guest

I've been following the instructions here: http://www.spice-space.org/page/WinQXL To try and install the QXL driver on a windows 10 guest on an ubuntu machine with KVM. The instructions mention that ...
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0answers
11 views

Error while creating KVM network interface

I am trying to configure a new network interface in the Virtual Machine Manager for the KVM platform. Creating the network interface fails with following error: I am copying the error also ...
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1answer
40 views

No console login prompt in Xenial VM on KVM host

I just installed a fresh VM using Xenial beta mini.iso installation like I do for any Ubuntu based VM on my KVM based virtualisation host, but this VM doesn't show console login prompt on (KVM) VNC ...
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2answers
28 views

How to safely reconfigure networking on a hosted server?

I have Ubuntu Xenial installed on a server hosted in a data centre. I have SSH access only - no iLO card. Server has a single ethernet connection. I am setting this up as a KVM hypervisor. For ...
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0answers
12 views

nVidia 8800 GTX - GPU Passtrough

Is it possible to get nVidia 8800GTX to QEMU VM? I have CPU and Motherboard with VT-d support and two GPU. One (main) is some ASPEED GPU, other 8800GTX. I look through possible guides with no luck. ...
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13 views

How can i migrate a KVM virtual machine from an ubuntu server 12.04 to a fresh install of ubuntu server 16.04?

I have recently installed a fresh copy of ubuntu server 16.04 on a separate partition on my harddisk. My headless server is still running 12.04 as well with several services in virtual machines (e.g. ...
3
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1answer
4k views

How to take advantage of VirtualBox paravirtualization in an Ubuntu guest?

I have an Ubuntu 14.04.3 (with linux-generic-lts-vivid (3.19) kernel) 64-bit host, and a VirtualBox guest with the same OS and configuration. The host has an AMD A10-7800 CPU. If I enable the KVM ...
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1answer
16 views

Setting up hard drive in QEMU+KVM?

I'm running Ubuntu 16.04 LTS and I am using QEMU+KVM+OVMF for a Windows VM. Is there a way to mount physical hard drives to the VM only without using a container, as well as keep the data that is ...
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1answer
65 views

KVM + Xenial Server. libvirt-bin won't configure

I just (foolishly) completed the upgrade from 14.04.4 to 16.04. Apparently there's a bug due to the introduction of systemd that breaks libvirt... or I've broken aptitude. Is there a workaround or fix ...
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0answers
55 views

how to setup lxd and kvm with 16.04

Morning all, As i have been seeing a lot of posts about LXD, FAN, and Docker for 16.04 I am left still with some questions. In a brand new 16.04 LTS environment for two machines. I want to be able ...
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0answers
9 views

Does anyone have experience with virgil3d?

I checked out the git page for the project, and the website is just a github.io page linking to repository and #virgil3d on freenode. I hopped on freenode and no one has used it yet. It appears only ...
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3answers
2k views

Very slow KVM in Ubuntu 12.04

I use Ubuntu 12.04 64-bit and KVM, my CPU is Core i5 3.3 GHz and I have 8 GB of DDR3 RAM. I run Windows 7 in KVM and it's extremely slow. My co-worker use Debian on the same PC configuration and can ...
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0answers
21 views

TPM 1.2 pass through to a Win10 Guest

I spun up and Win10 image I need for my work on my 16.04 LTS Desktop and this image requires access to a TPM device. Now, I've added a TPM pass through to the Guest via VM but the VM won't spin up. ...
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0answers
16 views

kvm installation failed with errors

I was trying to install KVM, but I am getting the following errors: $ sudo apt-get -f install qemu-kvm Reading package lists... Done Building dependency tree Reading state information... Done ...
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0answers
17 views

Setup VMware vmnet0 in Ubuntu

I'm trying to setup vmware's vmnet0 in ubuntu without installing vmware at all. is this possible? I have 2 NICs, 1 - internet, 1 - local network connected to a physical switch, and will be setting ...
0
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1answer
33 views

Building KVM images

What is the best way to build Ubuntu 14.04 and 16.04 images for KVM? Until now, I have been using vmbuilder for Ubuntu 12.04 LTS, but it seems it is no longer supported.
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1answer
8 views

KVM size limit on total number of machines

There's an upper limit on the total amount of disk space that I can assign to my VM's in KVM. Although my total partition has 200 gb, I'm not able to assign more than 20 gb to my machines - and this ...
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0answers
263 views

Virt-manager vga passthrough windows 8.1 BSOD

Environment: Ubuntu 15.04 with current packages. HD4600 for host, 980ti blacklisted and connected to 2nd screen. Windows installed without passthrough, later added PCI pass in virt-manager, ...
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0answers
28 views

How do I access a VM created using KVM?

I'd like to install a software in the virtual machine. How do I install it in the vm using only terminal? I am using Ubuntu server edition and there is no scope for GUI installation.
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1answer
2k views

How to install and run Windows XP / Vista in KVM headless server?

I have a Headless Ubuntu 11.10 Server running with KMV installed. I was able to install and run several VMs with the vmbuilder. However, now I want to install and run several Windows (XP & Win7) ...
2
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0answers
19 views

virt-manager: “Storage parameter error: directory is not managed on the remote host” when importing an existing image from a mounted drive

A server I manage remotely has a KVM/QEMU image stored on a non-os, mounted drive /mnt/drive. When I use virt-manager to import the disk image, I get the following error: Storage parameter error. ...
2
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1answer
5k views

How to change qemu default machine?

I use Kubuntu 14.04 (x86_64 3.13.0-43-generic #72-Ubuntu) with qemu-kvm. $ kvm --version QEMU emulator version 2.0.0 (Debian 2.0.0+dfsg-2ubuntu1.9) How could I change the "default" machine (now it ...
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0answers
14 views

How can I use the same monitor mode on two different systems?

I have two Ubuntu installations: my workstation runs 14.04, my notebook runs 16.06. A montior is connected to both system through a KVM switch. Through xrandr I added display modes using same ...
1
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1answer
96 views

Xubuntu save multi monitor config

I've a multi-monitor-setup with 2 screens (3 with the notebook T460s itself) on xubuntu 16.04 at a DP KVM-Switch. The notebook is connected via the Dock-3 Docking Station over 2 DP-Ports. Every time ...
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0answers
25 views

installing KVM on my guest OS lubuntu

I'm working on installation of KVM on my guest OS which is lubuntu 14.04 LTS. My host OS is CentOS 6.6. My machine hardware specifications are: Intel CPU CORE i5, 6 GB RAM and no graphical card. ...
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2answers
562 views

Installation on virtual LVM disks without partitions

I am installing an Ubuntu server in a KVM/libvirt vm with the text/console installer. I intend to hand over two LVM volumes as root and swap to the VM as virtual disks. They are detected correctly ...
0
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1answer
12 views

Unpacking and configuring kvm components

In this guide : http://www.linux-kvm.org/page/RunningKVM It says "If you are using a recent kernel (2.6.25+) with kvm modules included, boot into it" What does it mean boot into the kernal?
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0answers
31 views

KVM installation problem

I'm trying to install KVM for avd of android studio and I ran this command: sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils ia32-libs-multiarch But on running it gives me ...
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0answers
16 views

Use Wake on lan in KVM?

I use KVM for virtualisation together with Virtual Machines. This works for the most part, but now I am running into an problem. I want to start a VM (which is turned off) with WOL. This does not work ...
2
votes
2answers
6k views

How to share a directory between ubuntu host and windows guest with kvm?

I read several posts or articles which deal with this but all give a solution for linux guest. For example : http://www.linux-kvm.org/page/9p_virtio ...
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0answers
16 views

Qemu Crash: Assertion `s->csw.sig == cpu_to_le32(0x53425355)'

I am running qemu on centos6.2 host OS. I am trying to launch BSD guest os. While launching this,I am attaching an extra USB disk to qemu. Recently, I have started observing qemu crash due to an ...
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0answers
51 views

KVM /QEMU Error : Unable to connect to libvirt

I am using KVM from some time on Ubuntu 14.04 LTS. I also wanted to tried Xen as a hypervisor on the same system i am using KVM.So i tried to install it. But it didn't properly installed giving me ...
2
votes
1answer
59 views

Landscape Dedicated Server 15.11: Virtual Machines registering as computers

After upgrading LDS from 15.01 to 15.11, my virtual-machine licensed KVM instances are showing up as registered computers instead of virtual machines. When I try to re-register the machine it also ...
2
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0answers
286 views

Why does Ubuntu still use a blacklisted graphics card claimed by stub?

I am following Multiheaded NVIDIA Gaming using Ubuntu 14.04 + KVM tutorial and it seems like everything went well except that my ubuntu installation still shows HD7970 under Additional Drivers which ...
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2answers
507 views

Hosting 12.04 guest on 14.04 server with KVM & libvirt

I've been pulling my hair out trying to get Ubuntu 12.04LTS server (64bit) working under a standard KVM/libvirt setup on Ubuntu 14.04. I can create a new virtual machine using virt-manager and run ...
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0answers
59 views

GLib-WARNING **: /build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmem.c:482: custom memory allocation vtable not supported

I am using Ubuntu version 15.10 and I have installed qemu version 2.3.0 on it. When I try to run the following command: qemu-system-x86_64 -enable-kvm It always gives the Glib error and doesn't ...
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0answers
12 views

Virtual Bridge configuration on KVM and list of internet connectivity

I have configured a virtual bridge br1 on KVM as follows: ovs-vsctl add-br br1 ovs-vsctl add-port br1 eth0 then I reset eth0 settings as: ifconfig eth0 0 dhclient br1 This assigns br1 the same ...
13
votes
2answers
6k views

How do I set up a KVM/NVidia Passthrough virtual machine for gaming?

I've seen a guide or two that seems to be replicated around on the internet on setting up KVM to use passthrough for Nvidia. It seems to require 2 video cards. Is it possible to do it with 1 video ...
0
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0answers
13 views

MaaS not finding vm disks during commissoning

I have seen in previos versions where bugs were filed about using kvm guests leaves the disk section empty but I am unable to figure out what to change to allow it to find the disks. I am needing to ...
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0answers
23 views

Why does the system freeze when mounting disk images

Recently I tried to mount an ISO disk image to use with KVM. Immediately the system froze (mouse stopped, time stopped, music skipped). I tried mounting it with Disk Image Mounter and from the ...
0
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1answer
85 views

Dual Monitor Resolution Problem with KVM Switch

Trying to setup a dual monitor environment with one monitor running through a KVM Switch. The first monitor gets detected just fine at 1280x960 (no KVM switch) but the other one (running through the ...
0
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0answers
29 views

Unable to install ubuntu HVM on Xen hypervisor

I am trying to install Ubuntu HVM on Xen hypervisor. I am new to Xen and I followed this link. After installing Xen, I tried to "manually install an HVM guest VM" but getting this error: . Can ...
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0answers
22 views

Windows 7 network issue in KVM

I'm having one UCS server with Ubuntu 14.04.1 LTS. In that I installed KVM Hypervisor. After that I deployed one Windows 7 32 bit and 64 bit VMs, but I am not able to access the network by using one ...
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0answers
20 views

Added additional storage - now KVM VMs won't start or setup

I added 2TB of storage as /storage - this is from /dev/sdb1. One system I have has 2 VMs on it, when I try to start these, I get the following error: error: internal error: process exited while ...
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0answers
10 views

kvm lun backup and rollback procedure

I have the LUN number and I want to attach the LUN1 to a VM in the bare metal KVM, which already had a LUN 0 and data with that VM. Once attached with new lun I want to make a copy of the old lun in ...
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0answers
128 views

kvm virtio VM sound issues (windows 10)

I know this is an unRAID server but this is a KVM issue so that's why I am here. I got everything working so far except the sound. And I need it to work on my MainVM (Gaming VM) and an other VM. I ...
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0answers
68 views

Unsupported machine type Use -machine help to list supported machines

I am trying to create virtual machine on ubuntu 15.10 using virtual machine manager i have installed kvm but when i use display vnc for virtual machine it shows the following error and when i use ...
0
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1answer
125 views

ubuntu-kvm-builder failing with “/dev/mapper/loop0p1 does not exist”

Using ubuntu 15.10, I'm simply trying to create a VM using kvm and followed some instructions on the web, but no success. It seems to fail when running mkfs.ext4 with this error: The file ...
1
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1answer
113 views

Disabling AppArmor for KVM

I'm trying to take an external snapshot of my KVM guest using the following script: DOMAIN=test-snapshots.programster.org SNAPSHOT_NAME=snap3 STATE_FILE="/media/kvm/test-snapshots/mem-snap.qcow2" ...
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0answers
35 views

Virtual Machine Manager - Unable to install guest on remote

I have connected to a remote instance (ubuntu server 14.04) of KVM using VMM on my local (ubuntu desktop 14.04). Both machines have all the patches/updates installed. Now I am trying to install a ...