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

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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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1answer
15 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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27 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. ...
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15 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 ...
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1answer
39 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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39 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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1answer
131 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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1answer
20 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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50 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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41 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 ...
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86 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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20 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
113 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
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1answer
87 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 ...
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91 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
14 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 ...
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25 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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47 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 ...
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0answers
28 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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29 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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13 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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221 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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138 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 ...
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1answer
391 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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44 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
45 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 ...
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51 views

Ubuntu 14.04, dual-screen, One screen is “fuzzy”

I'm running two identical monitors, one via KVM. The monitors are identical Dell U3014's capable of running at 2560x1600. One is connected directly by a mini-display port cable, the other is connected ...
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0answers
14 views

Server Virtualisation and assigning IP-Adresses (KVM)

I'm looking to set up my Dedicated Ubuntu Server with Virtualisation, as I want to sell some Virtual Servers. I've looked into KVM and saw that it was a good way to go, as I'm only going to set up 3/4 ...
0
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1answer
50 views

MaaS KVM node - Failed Deployment - df: Warning: cannot read table of mounted file systems

I am able to commission the kvm node, but when I try to deploy it fails. Last output from failed nodes cloud-init-output.log is: df: Warning: cannot read table of mounted file systems: No such file ...
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81 views

Install Virtio Drivers in Ubuntu 14,04

I am having a bit of difficulty trying to install Virtio Drivers on ubuntu. I have a Physical host with Proxmox, and i have one virtual host that is running Ubuntu 14.04. The virtual host was ...
0
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1answer
239 views

KVM / QEMU / VMM : local host not connected

I am using Ubuntu 14.04. I have installed kvm. When I try to open virtual machine, I get this error: local host not connected Unable to connect to libvirt. Verify that: - The 'libvirt-bin' package ...
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0answers
22 views

KMV hardware pass through problems

I'm trying to get hardware pass through to work in Ubuntu server 15.10 following this guide. But when it gets to the part involving kernel modules my system wont boot. It seems like I don't have the ...
0
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1answer
68 views

Will Ubuntu+KVM support an old Intel QuadCore Q8300 + Asus P5QPL

I am trying to convert this machine into a mini VM server The processor is Intel Q8300 QuadCore which IFAIK supports virtualization. The motherboard is Asus P5QPL-AM. It has Intel G41 chipset, X4500 ...
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0answers
58 views

unsupported configuration: hda-duplex not supported in this QEMU binary

I am trying to create a virtual machine using virtual machine manager.(KVM) following this tutorial . I have reached up to step 5. Then I clicked finish button. And I saw this error: I tried ...
0
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1answer
164 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 /dev/mapper/...
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2answers
373 views

Gracefully shut down QEMU/KVM on host shutdown

I start a QEMU/KVM Ubuntu 15.10 virtual machine on boot and let it run in the background (as webserver). What happens now if I shut down the host (also 15.10)? Will it kill the VM and result in a ...
0
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2answers
276 views

Ubuntu Server KVM, Passthrough PCI Device

I am trying to setup a VM Server on my old desktop hardware, the specs are: System MB: gigabyte 970A-D3P CPU: AMD 8320 GPU to pass through: Sapphire HD7870 Ghz Edition OS: Ubuntu Server 14.04.2 ...
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0answers
79 views

Ubuntu 15.10 not detecting display through KVM Switch

My system worked fine with 14.04 and then I had to upgrade to 15.10. It's a dual boot Ubuntu 15.10/Windows 10 (not by choice). I also have a KVM switch to make it more complicated. Graphics is an on-...
0
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0answers
34 views

Virtualbox and bridge interfaces

I've been playing a little with KVM and the need to configure the bridge and tap interfaces to give access to my VMs. Now with virtualbox I don't understand why I don't see any interfaces (bridge/tap) ...
2
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0answers
70 views

Higher than 1440p in Gnome Boxes with Spice?

Is it possible to increase the maximum resolution in Gnome Boxes(QEMU KVM) to 4K? Currently it is limited to 1440p. I'm using the Spice drivers. Host: Ubuntu 15.10 w/ GNOME Guest: Windows Server ...
0
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1answer
119 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
71 views

Configuring Home Network DNS/DHCP Server

To start off, I don't have a whole lot of knowledge of networking, which is why I'm trying to learn by example. I recently just built a new computer to toy around with new projects. This machine has ...
0
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1answer
153 views

Trying to share a folder with host and guest in Virt - manager / KVM

I am trying to share a folder in Virt - manager in my Arch Linux distribution using Samba to my Windows 10 guest. I have tried connecting via ip "\10.0.2.2" as recommended in an outdated guide about ...
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43 views

Kvm golden image creation at environment level

I have 6 virtual machines running on kvm. I want to create golden image of all the VMs simultaneously without disturbing the softwares installed in my Vms. How can it be done?Any suggestions?
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27 views

VM Manager is getting error during installation Win7

I would like to install Windows 7 through Virtual Machine Manager, I followed this tutorial for Ubuntu --> http://www.howtogeek.com/117635/how-to-install-kvm-and-create-virtual-machines-on-ubuntu/ ...
0
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1answer
280 views

permission error in virtual machine manager

i am trying to install win8.1 as a guest on my Ubuntu 14.04 using kvm and virt manager. when i choose path of ISO file in virt manager, it prompt this error: "The emulator may not have search ...
1
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1answer
854 views

libvirt: Configure guest to share host audio

For the past days I've been trying to get a x64 Windows 8.1 VM's audio mixed with the host audio with mixed success. The solution which kind of works for me right now is using Spice for audio, and ...
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0answers
28 views

Why doesn't uvt-kvm --run-script-once work when run on a 14.04 host building a more recent guest?

I have an Ubuntu 14.04 virtual host, and I'm building guests on it with uvt-kvm. I have a small script I want them to run on first start. The command line looks something like this: uvt-kvm create --...
2
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1answer
663 views

Blacklist a Nvidia gpu for qemu/kvm passthrough

I am trying to run Windows in a virtual machine while giving the VM a direct passthrough to the GPU for better performance. I have an integrated intel GPU (I will use this one for the host) and a ...
0
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1answer
158 views

MaaS server with local kvm - How to bridge to dhcp interface

I have a MaaS server, it has two network interfaces. One external eth0, and one for the internal network eth1(Nodes network). eth1 is where the DNS and dhcp server managed interface. I want a mix of ...