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

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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
63 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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25 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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23 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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19 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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37 views

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

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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52 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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21 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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9 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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0answers
35 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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21 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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29 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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27 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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31 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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21 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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30 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 ...
0
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1answer
53 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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20 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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0answers
31 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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65 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
68 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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85 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
264 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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27 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/...
1
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1answer
35 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 ?
0
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1answer
157 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 ...
0
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1answer
51 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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0answers
15 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
94 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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0answers
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, ...
0
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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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58 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 ...
1
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1answer
17 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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58 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, ...
2
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1answer
34 views

Changing Network Adapter in KVM

I'm building a server to be deployed on a KVM host in the near future. I'm building the machine on my personal laptop in KVM using the virt-manager GUI for KVM. To begin with I kept most of the ...
0
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1answer
159 views

Ubuntu 14.04 GPU passthrough problem with IOMMU

I have a problem with my GPU passthrough on Ubuntu 14.04, i checked my hard ware and my CPU is i7-2600 which supports VT-x in KVM and i try to passthrough my GTX 960. I did everything exactly as in ...
0
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1answer
141 views

keep memory usage low Ubuntu 16.04 Server guest VM

I have an Host Machine running KVM+QEMU and multiple guests. All Guests are running Ubuntu 16.04 (virtual machine installation). My current problem is, that the host memory consumption (via htop) is ...
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13 views

What are the minimum CPU specifications to run containers?

Apologies if this has been asked before, but what are the minimum CPU specifications to be able to use LXC (or LXD) on 16.04? Can my CPU do so? When I run sudo lshw -C cpu | grep product I get ...