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

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0
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0answers
9 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 ...
10
votes
4answers
23k views

virt-manager can't connect to libvirt

I'm running Ubuntu 12.04.2 32 bits. The error doesn't show up if I start gksudo virt-manager. libvirt-bin is installed. I don't know how to check for the daemon. I am a member of libvirtd. ...
0
votes
0answers
11 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
votes
1answer
25 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 I have tried connecting via ip "\10.0.2.2" as recommended in an outdated guide about ...
0
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0answers
63 views

QEMU boots slowly on 15.10 - 15.04 was fine

I upgraded from 15.04 to 15.10 and QEMU started to take much longer (it now takes minutes). When the kernel kicks in, then it is fine. But it takes forever until the kernel starts to work. GRUB is ...
0
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0answers
12 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 ...
3
votes
2answers
51 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
votes
2answers
20 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 ...
0
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0answers
16 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 ...
2
votes
0answers
31 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
votes
1answer
119 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 ...
0
votes
1answer
86 views

Maximum resolution problem when external monitor is connected via KVM Switch

I use a laptop with Ubuntu (15.04) and output on monitor (LG E2240). Everything is OK, the maximum resolution is 1920x1080 ( the maximum resolution supported by the monitor). When I connect a KVM ...
0
votes
0answers
15 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) ...
1
vote
2answers
5k 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 ...
17
votes
4answers
47k views

KVM is not installed on this machine (/dev/kvm is missing)

I'm using Ubuntu 14.04. I recently installed Android Studio, but whenever I try to run a Hello World app, I get this error: /home/praveen/Android/Sdk/tools/emulator -avd Nexus_6_API_21 -netspeed full ...
0
votes
1answer
62 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
votes
0answers
28 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
votes
0answers
43 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 ...
1
vote
0answers
16 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
votes
0answers
16 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?
0
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0answers
28 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 ...
2
votes
1answer
4k 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 ...
0
votes
0answers
50 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 ...
1
vote
1answer
118 views

QEMU VM reboots host upon running

I am trying to run virt-install on Ubuntu Server 14.04.3 in order to install a QEMU VM from a qcow2 image. Running virt-install, I get no errors. $ virt-install ... starting install... ... virsh ...
1
vote
0answers
5 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 ...
0
votes
0answers
37 views

KVM assign static ip address to guest host

1) Having a KVM host with one NIC card eth0. Created a bridge and have following configured /etc/networks/interfaces. Note that bridte br0 is created and has eth0 as bridge ports iface br0 inet ...
0
votes
0answers
64 views

Problem on multiple network interfaces on a QEMU VM

I'm trying to create a VM with 2 interfaces. I used a linux bridge and Tun/Tap devices to do that. This is my setups: | HOST | Virtual Machine outside ...
1
vote
0answers
63 views

MAAS KVM nodes commission timesout

So, I have set up MAAS and several KVM and Qemu VMs. When I add them as nodes, they start up during commissioning but then the attempt times out. Here's the line from the MAAS log: [ERROR] test: ...
0
votes
1answer
33 views

KVM remote-viewer: Force certain keys to stay in host OS

I am using Ubuntu 14.04, running a Windows 7 guest VM via QEMU/KVM. It's all working fine, I interact with it via Spice using remote-viewer. I use Compiz to place the window automatically on the top ...
3
votes
1answer
295 views

Can ping but cannot wget on host with bridge interface

This is driving me mad, since I have spent the las two days trying to solve this. I have an Ubuntu Server 14.04.2 LTS with KVM and libvirt. I have two guests virtual machines: pfSense-2.2: virtio ...
0
votes
1answer
119 views

Installing ubuntu 14.4.3 server on KVM without internet

I was trying to install ubuntu server 14.04.3 as a guest on KVM as referred in this link I made sure that the guest server doesn't have network. Following command used for installation: sudo ...
0
votes
0answers
63 views

nova hypervisor-list returns empty

I have installed Liberty on 3 node Ubuntu. After configuration of Compute node I could see hypervisor list is empty. Please find the below details as per my observation and suggest me for any ...
1
vote
1answer
123 views

Ubuntu 15 network with bond, VLAN, bridge

I am posting this question with the reply because I already find the answer after some searches and I think it could benefit other people since I didn't find easy to solve this on Ubuntu 15. Note 1: ...
0
votes
0answers
82 views

IOGear gcs72u Keyboard/Mouse Unresponive After A While - Ubuntu 14.04

I have a kvm setup: 1 Computer with Ubuntu and another with windows 8. The problem is after a number of switches (Between 5 - 10 back and forth) the mouse and keyboard stop moving for my ubuntu ...
0
votes
1answer
2k views

Unable to install 64-bit VM using KVM

I'm trying to install a 64-bit VM on a 64-bit host Ubuntu 11.04 server. I am using the 64-bit iso (ubuntu-11.10-desktop-amd64.iso) and I set the architecture to x86_64 but when I install the VM it ...
0
votes
0answers
12 views

VGA Passtrough with same IDs

i try to bind my R9 290 to the vfio-pci driver for VGA Passtrough. My System have two GPUs R9 290 and R9 390. Now i have the problem, that both GPUs have the same Vender and Device ID. So I cant bind ...
2
votes
1answer
610 views

How do you install the VirtIO HDD drivers for KVM on Windows 7?

I'm trying to install Windows 7 64-bit on KVM. I created a VirtIO HDD in virt-manager, and connected the driver ISO from here. The only drivers I see for storage are for Windows Server 2008, and 2008 ...
1
vote
1answer
4k views

KVM Virtual Machine Manager: sharing folders not working

I've created an Ubuntu VM inside my Ubuntu using Virtual Machine Manager. I'm trying to mount a host directory in guest OS but it's not working. I used the instructions provided here: ...
0
votes
1answer
37 views

kvm/libvirt networking overview

my vm is centos 4.8 and it came from a physical server. All is great except I can't seem to get bridged networking working. The default user mode networking is fine, from the guest I can reach the ...
0
votes
1answer
33 views

KVM VM not working

Im getting this error when creating a VM in virt manager using KVM. (Unable to complete install: 'internal error: process exited while connecting to monitor: 2015-12-02T23:01:04.368439Z ...
0
votes
0answers
134 views

How to setup KVM Windows 7 VM bridged networking?

I am trying to get bridged networking working on a Windows 7 VM guest hosted in KVM and Ubuntu 15.10. The Ubuntu host is an ESXi 5.5 VM (nested). I then followed this guide to install to configure ...
0
votes
1answer
25 views

Extend encrypted, large volume on VM

So like the topic says I am trying to resize (extend) one of my VMs using encrypted LVM. What I've done so far Partitioned and formatted the new drive (using parted, ext4) Added it and extended ...
0
votes
0answers
54 views

Kubuntu HDMI Switch

So I have an HDMI switch. The thing is brilliant. Anyways. I have a computer with Kubuntu and when I switch to it on the switch it works great and dandy... but when I switch out it doesn't switch ...
0
votes
0answers
15 views

Delete nbd devices used to mount kvm image

how can i delete the /dev/nbd* device blocks? I need to delete the devices and then recreate them with modprobe nbd max_part=8 because (I don't know why) my script fail if the device was used.. ...
0
votes
1answer
437 views

Using OVMF on Ubuntu to build a gaming virtual machine

Recently, I bought a new VGA Card, and I decided to create a system that sometimes in the past I've tried to build without any success: a Linux system with a VGA Pass through setup. In this setup, I'd ...
3
votes
1answer
6k views

kvm error in syslog says cpu0 unhandled rdmsr

I have a server that hosts about 20 KVM guest machines. It's syslog is, at times, flooded with messages like these: 00:17:36 vhost-server kernel: [ 157.835078] kvm: 3138: cpu0 unhandled rdmsr: ...
0
votes
0answers
25 views

Bridge connection goes to host not guest when accessesed remotely

I have a bridge device br0 on a second nic eth1 intended to give a KVM guest a public IP. I set up the guest to use the bridge and it seems to have full internet access. I can access the guest over ...
0
votes
0answers
118 views

Unbind GPU from Radeon drivers without restarting lightdm

I use a bash script to rebind my GPU for KVM PCI passthrough, but it requires me to stop lightdm to unbind/bind it from the radeon drivers. If I do not stop lightdm, the entire system hangs after a ...
0
votes
2answers
428 views

Unbind Radeon > hand over to VFIO-PCI

i have two Radeon GPUs (AMD R9 290 and AMD HD7870) i want to unbind the R9 290 from the radeon driver and hand over it to QEMUs VFIO-PCI driver. I'm using these commands: echo 0000:06:00.0 > ...
1
vote
1answer
58 views

Snappy on QEMU KVM fails to boot

Trying to load snappy in qemu kvm on my Celeron 1307U running 32-bit Ubuntu 14.04 desktop OS, I run: $ kvm-ok INFO: /dev/kvm exists KVM acceleration can be used $ wget ...