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

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QEMU-KVM VGA PCI Pass-Through on ubuntu 16.04.1 64bit

I'm attempting to get a graphic card passthrough emulation under way. this is my first attempt at this so I'm hitting many road blocks I have ubuntu 16.4.1 64bit freshly installed bare metal and ...
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virt-manager launcher action to directly start and open a specific VM

I use virt-manager for my Qemu/KVM virtual machines. Booting a VM currently means launching virt-manager, selecting a VM to open it in the VM viewer and then finally turning the VM on. I would like ...
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1answer
19 views

Create a 16.04 KVM guest on 14.04

I have a 14.04 host running a bunch of 14.04 guest VM's with KVM. I've used vmbuilder to build these guests. I'd like to also create a 16.04 guest VM on this host. But I see that xenial is not a ...
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GPU Pass-through error on Ubuntu 15.10 when starting executable script

I am having the following error when I run the executable script sudo /usr/vm1: cat: /sys/bus/pci/devices//vendor: No such file or directory cat: /sys/bus/pci/devices//device: No such file or ...
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1answer
43 views

GTX1080 gpu passthrough Qemu

Never had a problem passing through a Titan with QEMU, I've replaced it with a GTX1080 and cant seem to get it to display anything. vfio is doing it's thing: 03:00.0 VGA compatible controller [0300]: ...
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1answer
79 views

VGA passthrough with QEMU and KVM - Nothing on screen

These last few days I've been trying to set up a windows virtual machine with VGA passthrough, using this guide as my main reference: https://www.pugetsystems.com/labs/articles/Multiheaded-NVIDIA-...
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8 views

Clean up KVM / libvirt

I installed the "Virtual machine host" feature during installation of my 16.04 server. I'll run VMs exclusively on my local network so I don't need virbr0, dnsmasq and iptables rules, just to mention ...
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1answer
17 views

Unable to run KVM on Dell Inspiron

I have a Dell Inspiron 13 (7368) and I'm trying to run AQEMU on any open source virtual machine. I keep getting errors associated with kvm not found or cannot save emulator KVM 0.14.X, etc. Is it ...
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1answer
21 views

virt-manager bonding: What is “Carrier Type”

I'm trying to configure 2 Ethernet interfaces for bonding in virt-manager. So I go "Add Interface" => Select "Bond" => Configure "Bond mode". This opens a window called "Bonding configuration" where I ...
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28 views

Slow Boot 14.04

I updated to 4.3.0-040300 kernel to get my wifi working but now booting takes much much longer. I'm using a lenovo thinkpad yoga 460, booting from an external hardrive via usb port and I've deleted ...
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27 views

How can I create a virtual camera/webcam device for a Qemu/KVM guest OS?

I host an Android_x86 VM in Qemu/KVM with the help of virt-manager on Ubuntu 16.04. My host notebook has a webcam and I would like to either directly pass it through to my KVM guest. It's internally ...
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23 views

KVM + Bonding: error “could not get interface XML description: unspecified error”

I'm looking to run KVM with 2 bonded (LACP) Ethernet interfaces and a manual bridge to connect the guests directly to my LAN. Everything seems to work fine, but I have problems accessing the bridge (...
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1answer
20 views

KVM storage performance

I have a system with a single SSD and want to set up KVM. As far as I understand it, I have 2 possibilities: 1) run the host from an USB stick and use the physical SSD as the storage pool (type disk)....
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45 views

Installing Windows 10 on Ubuntu using QEMU/KVM [closed]

I am new to QEMU and KVM. I want to install Windows 10 using QEMU/KVM command-line utilities. I am running a Ubuntu GNOME 64-bit machine.
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54 views

qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

When i try to convert raw image to qcow2 format with command: qemu-img convert -O qcow2 base-image.img base-image.qcow2 i have several problems: qemu-img process never stops by itself and i can ...
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23 views

Android Studio not recognizing KVM in Ubuntu 14.04

Whenever I try to start a virtual device in android studio a message pops up saying: KVM is required to run this AVD No emulator installed Please Download the emulator So I followed the ...
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10 views

Ubuntu VM builder giving errors

I tried installing KVM VM using Ubuntu VM Builder but got: http://paste.ubuntu.com/19059723/. 2016-07-11 02:42 INFO : E: Can not write log (Is /dev/pts mounted?) - posix_openpt (2: No such file or ...
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40 views

Linux VirtualBox Lab VLAN tagging

I am in the middle of a learning experience in my network education that I’d like some community insight on. I have set up a virtual lab on my home network but am trying to add physical hosts to the ...
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23 views

Ubuntu Server won't work in QEMU: KERNEL PANIC

I tried to install ubuntu-16.04-server-amd64.iso in QEMU as a virtual machine. This was my command to generate the image file: qemu-img create -f qcow2 confImage 100G After creating the image file ...
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30 views

Unable to stub 1 of 2 nvidia cards

I am unable to have my video card claimed completely by stub: [ 9.897987] pci-stub: add 10DE:13C2 sub=FFFFFFFF:FFFFFFFF cls=00000000/00000000 [ 9.897998] pci-stub: add 10DE:0FBB sub=FFFFFFFF:...
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29 views

How to install ACS override and i915 VGA patch?

When using arch linux you can just install the "linux-vfio-lts" kernel using a single program, called pacaur. However I am attempting to try use GPU pass through using Ubuntu Server 16.04 LTS and I am ...
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33 views

KVM GPU Passthrough with PCI-stub

I am trying to passthrough GPU onto my client machine using pci-stub. My requirements are: Xubuntu 16.04 Lenovo g510 with i7 4800MQ upgraded from i7 4700MQ (for Vt-d support) [AMD/ATI] Mars [Radeon ...
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16 views

Unable to access network in the KVM guest

I am working on a Ubuntu 14.04LTS server. I installed KVM according to the guide https://help.ubuntu.com/community/KVM/Installation Created a bridge according to https://wiki.ubuntu.com/...
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24 views

Grub boot error on cloned virtual machine

While using virt-manager and connected to a Qemu/KVM Hypervisor, I cloned a virtual machine of an Ubuntu server installation, version 16.0.4 if it matters. When I try to boot the cloned virtual ...
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22 views

How to disable power savings mode on all USB devices

How do I permanently turn off USB power saving (USB sleep mode) for all devices on my desktop? It keeps putting my external USB KVM to sleep and it won't wake up until I unplug and replug my mouse or ...
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31 views

kvm pci passthrough for intel 82599 nic not working on ubuntu host

I am trying to passthrough an intel 82599 10gig ethernet card (ixgbe driver) to a VM, and I would like that the VM will recognize the NIC's driver natively. I have also enabled SR-IOV in my system. My ...
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26 views

Need advice for setting up KVM & guests

I have the following set up today; Server A Operating system Ubuntu Linux 16.04 Kernel and CPU Linux 4.4.0-24-generic on x86_64 Processor information Intel(R) Core(TM) i5-4690K CPU @ 3.50GHz, ...
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18 views

Hash Sum mismatch on installing kvm

I have laptop with amd64. I enabled virtual device from bios. When I am trying to install kvm using: $ sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils I am getting error ...
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15 views

Error on librados when trying to install qemu-kvm [duplicate]

I am trying to install kvm on Kubuntu 16.04 64-bit. I am following this documentation. When I try to install qemu-kvm with the following command given in the documentation: sudo apt-get install qemu-...
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15 views

kvm_mmu_get_page before entering a nested VM with KVM

I have been using and tracing, with a kernel tracer, nested VMs with KVM and I was wondering about the purpose of an occurring event. Let's say I have a machine L0 hosting a VM called L1 and L1 is ...
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10 views

KVM existing VMs coexistence with nova-compute on host

I was wondering if it is possible/safe to install and configure nova-compute on a host with KVM hypervisor supporting existing VMs. In particular could we have any Openstack node running as VM on the ...
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1answer
57 views

virt-install using location with iso image no longer working

I have upgraded my OS to Ubuntu 16.04 and am trying to install an ubuntu 14.04 guest from scratch using my KVM management tool that I have been using successfully on Ubuntu 14.04 for some time now. ...
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21 views

Kvm Switch not signal monitor

I've got this KVM switch, to connect two computers with one mouse, keyboard and monitor. I am using Xubuntu and the problem I have apart from the normal resolution problems that everyone is having (...
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34 views

vagrant up --provider=libvirt (kvm)

Like to get vagrant working with qemu/kvm. I have tried the instructions here: http://unix.stackexchange.com/questions/222427/how-to-create-custom-vagrant-box-from-libvirt-kvm-instance/222907 and ...
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66 views

how to install android studio completely?

Hello every one I want to install android studio and first I run the .sh file by this command ./studio.sh and after that I try to install it but at first I have this problem but the thing is that I ...
3
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1answer
72 views

kvm, install virtual machine failed

I am using kvm to install virtual machine, and after that the image will be uploaded to create OpenStack virtual machine instance. The fllowing are my commands command 1. create image $ qemu-img ...
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90 views

Ubuntu 14.04 upgrade to 16.04 failed on KVM VPS - can not reboot

I followed a tutorial to upgrade 14.04 to 16.04: https://www.linuxbabe.com/linux-server/upgrade-ubuntu-14-04-ubuntu-16-04-server The upgrade was successful on my two OpenVZ VPS.However,It always ...
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0answers
19 views

Create a VM using KVM with an IP address to ssh

How do I create a VM using KVM and assign an IP address so that I can SSH into the machine and install the stuff I need? I'm using KVM on a Ubuntu server edition and hence would like to know how to ...
1
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1answer
280 views

Using OpenvSwitch with DPDK in Ubuntu 16.04

I am trying to setup openvswitch with DPDK in Ubuntu 16.04 using the openvswitch-switch-dpdk package. I am using an HP DL380 Gen-8 server with an Intel 82599ES Dual Port 10G card. I can bind the ...
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30 views

Passing a physical USB port to QEMU

I currently use a shell script to start my KVM accelerated QEMU vm. My current QEMU line is this: QEMU_AUDIO_DRV=pa qemu-system-x86_64 -enable-kvm -nodefaults \ -machine pc,accel=kvm \ -bios /usr/...
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1answer
36 views

gui for managing virtual machines [closed]

I want to manage a bunch of KVM VMs on my linux desktop with different types of network connectivity options. Is virt-manager the best option to manage the VMs or are there better alternatives ?
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1answer
161 views

Ubuntu 16.04 multiple NIC, bridge - Not getting br0 DNS settings

After a updated to Ubuntu 16.04 - which has mostly gone very well - everything works except resolving names from the host. Resolv.conf does not pick up dns-nameservers from interfaces (br0) for some ...
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1answer
53 views

KVM host can't ping guest on same subnet

I have a server that has KVM installed and two guests installed onto that same machine. I have setup them to use the network port directly. They are online and I am even able to access my ownCloud (...
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17 views

KVM quest lost network connectivity

I have problem: lost network conectivity in guest (2-3 days after start). Host: Linux host 4.2.0-36-generic #42~14.04.1-Ubuntu SMP Fri May 13 17:27:22 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux Guest: ...
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1answer
103 views

Virt-Manager to Remote host - continuous password prompt over ssh

I setup KVM on a remote host, and have a few .iso files out there that I want to play with. I setup Virt-manager initially on a Ubuntu-mate 15.10 machine, and it seemed to work fine (slow as heck ...
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14 views

I can't no more connect after installing kvm

After installing android studio, i tried to install kvm. After relogin, my Intellij wasn't work anymore. I tried to reboot and then, i see the ubuntu start charging with verification(in the processus, ...
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1answer
33 views

Virtual Machine Manager missing “Allocate Entire Drive Now” check-box when creating new VM

In Unity 16.04, when creating a new VM, the option for Allocate Entire Drive Now is missing, meaning that when creating a new machine, the entire drive is allocated, i.e. waisted physical drive space. ...
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60 views

Openvswitch networking

I made a VM using libvirt. I am trying to connect VM to the OVS bridge. I named VM as "ubuntu" and OVS bridge as "ovs-br0". Result of ovs-vsctl show is as follows: ovs ports and interfaces Here, I ...
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1answer
18 views

virt-manager process continues running after closing all of its windows, what should I do?

I have installed qemu, kvm, and virt-manager, though I have noticed that after closing all of the virt-manager windows that there is still a virt-manager process running which originally appeared to ...
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59 views

Can someone with root access enter in a LXD container and see its contents?

If I have a running LXD container, can someone enter into the mount point and see/access contents of it? I'm seeking for a method for virtualization that prevents this, KVM could be a good choice, ...