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

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3
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0answers
576 views

KVM-Guest only boots single user mode

We have a Vserver Host running on Ubuntu 12.04 with KVM/QEMU and so far guests been running fine with various OS's (Ubuntu 10.04, 12.10, Debian 6,7, CentOS 5,6). After the installation of Ubuntu ...
3
votes
0answers
100 views

How do I run a PXE server?

I'm going to run several virtual machines with KVM virtualization. In order to install guest systems over PXE protocol, I am going to run a PXE server on my host machine (I'm not doing it wrong, am ...
3
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0answers
218 views

How do I make wireless bridged networking work with linux guest in kvm/qemu?

I am running the ubuntu 13.10 cloud image on kvm/qemu. The guest networking works fine operating in NAT mode when on wireless. Wired bridged networking (eth0 + macvtap) works fine as well. When ...
2
votes
0answers
18 views

How to invoke a X Session and a VM instead of login prompt

The system is Ubuntu 12.04 but the OEM requirement is to make it appear as if it is a Windows system to the end user. Other VMs and daemons will be active in the system but it is controlled from ...
2
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0answers
77 views

Apparmor KVM Ubuntu 14

I am running Ubuntu 14.10. I am trying to install KVM guest. When I try to do so with VNC I get following apparmor error in syslog: kernel: [ 3016.448241] audit: type=1400 audit(1423018183.349:51): ...
2
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0answers
46 views

disable and enable KVM on demand?

Thanks to this great site, I think that I know how to disable KVM for the purpose of installing/running VMWare: sudo rmmod kvm_intel kvm Now, if I want to re-enable it (without rebooting Ubuntu, ...
2
votes
0answers
837 views

KVM GPU Passthrough

now i know this issue has been talked about before, but those topics are old now and slightly out dated. So I have recently been following a few different guides on getting this system working, ...
2
votes
0answers
520 views

Ubuntu 14.04: with bridge on wlan, no internet on kvm guests

I'm trying to be a "high-lander" sticking to KVM plus virt-manager to manage my VMs. But it's about a week I'm around trying to create a bridge that works for using with my VMs. I tried first tried ...
2
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0answers
93 views

Creating a user called 'root'

I am creating Virtual Machines using the ubuntu-vm-builder. The syntax goes something like this: ubuntu-vm-builder kvm precise \ --domain newvm \ --dest ...
1
vote
0answers
72 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 ...
1
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0answers
82 views

KVM: Multiple bridges over single NIC

In my KVM host (Ubuntu 14.04 LTS) I want to setup one private network for the guests with static IP and internet access. Host is on a remote machine. I've the following configuration in the ...
1
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0answers
107 views

Configure private network within a Ubuntu 14.04 LTS KVM host

For learning purpose, I've got one low cost dedicated server to setup kvm host with Ubuntu 14.04 LTS. I'm completely new to this area. First of all I want to setup a private network within the host. ...
1
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0answers
67 views

Critical random slowdown issue using KVM/QEMU

I'm having a critical issue with KVM/QEMU which is severely impacting one of my projects and I don't know where to put my hands. I've set up a brand new physical server configured with a 2 x Intel ...
1
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0answers
25 views

How can I stop KVM guest from pausing on grub menu

I'm using virt-manager to create a VM from a qcow2 image that I previously created. I pre-configured the image to skip the grub screen unless Shift is held down but the first time I launch the VM ...
1
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0answers
41 views

can not install kvm on my ubuntu

i have a ubuntu desktop 12.04 64bit on vmware. with vmware i already turn on VT-x ( my CPU is intel). Now i want to install kvm on this ubuntu virtual machine. 1. type: egrep -c ‘(svm|vmx)’ ...
1
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0answers
80 views

Trying to install KVM

hwr44ever@hwr44ever-Latitude-D630:~$ sudo apt-get install qemu-kvm libvirt-bin bridge-utils virt-manager Reading package lists... Done Building dependency tree Reading state information... Done ...
1
vote
0answers
72 views

How to export qcow2 KVM image?

I have set up a new QEMU virtual machine through KVM on a Ubuntu 14.10 linux installation. Everything is working smoothly. The problem is when I try to export the qcow2 vm image to another PC, to ...
1
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0answers
67 views

qemu: how to select from which hdd to boot?

I want to connect 2 hdds to my qemu virtual machine. One of them is actually a file connected via virtio, and I want it to be the bootable drive. The other is a partition that I want to pass through; ...
1
vote
0answers
100 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 ...
1
vote
0answers
112 views

How to enable promiscuous mode in a KVM virtual NIC?

How to enable promiscuous mode on an Xubuntu 14.04.1 host? How to enable promiscuous mode in a KVM virtual NIC? (using virt-manager if possible.)
1
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0answers
29 views

Ubuntu KVM guest uses only 1 out of N cores - even under load

I have a web application server running Ubuntu 12.04 as a KVM guest. What I have seen is that even under heavy load only one core is being used extensively. It is not an issue of the application not ...
1
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0answers
185 views

Restoring a VM to LV, GRUB disk not found

This is what my setup looks like: ubuntu 14.04 running KVM with libvirt has a HW-Raid it's running from (/dev/sda) and another HW-RAID (/dev/sdb) that is the PV to a LVM VG called "datavg" with ...
1
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0answers
92 views

How to install qemu-kvm from source

I previously installed kvm via apt-get. Then I install qemu from source via following steps: wget http://wiki.qemu.org/download/qemu-2.1.91.tar.bz2 cd qemu-2.1.91 ./configure make && make ...
1
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0answers
228 views

Bridge wireless and ethernet to KVM

I've just installed a new laptop with Ubuntu 14.10 Desktop and I'd like to get try and get KVM running so that I can host a couple of guest VM's. The problem is I can't figure out how to configure the ...
1
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0answers
65 views

Server crashed but why?

could someone tell me what causes the crash of this kernel panic? This machine (14.04.1) is a virtual machine on my KVM host (14.04.1) See the screenshot My host machine has 32GB of RAM and uses ...
1
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0answers
109 views

Automount USB disk (ntfs) and use files for libvirt/qemu/kvm?

When I plugin my NTFS USB disk it gets auto-mounted. That's fine. But when I want to use files for libvirt/kvm/qemu virtualizaztion they cannot be accessed. Sadly I cannot find the parameter or option ...
1
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0answers
20 views

Need commands to fetch Guest VM OS version from Xen and KVM

I m looking for the commands that can be executed to fetch the OS Version of the VMs running on the below Hypervisors. Xen (Not the citrix Xen server, but the Xen Sever hosted on a ubuntu Machine) ...
1
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0answers
45 views

Deploy ubuntu with MAAS fails

I have a problem with the Ubuntu deploying with MAAS. I'm trying to install Ubuntu on a KVM virtual machine. The boot with pxe works, I see the login prompt during the deploying, the server connect ...
1
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0answers
168 views

Could not ping Solaris KVM Guest from another computer

I setup Solaris Guest using KVM in Ubuntu. I don't have problem pinging host (Ubuntu) to guest (Solaris) and vice versa. Also my Solaris guest can ping other computers in my network but not the other ...
1
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0answers
24 views

KVM image size has changed?

We had a 180GB VM image. Inside the guest VM everything is OK and hdd size is 180G. but when we look the image size on the host it is 475MB. I am afraid that if we restart, the VM wouldn't work. I ...
1
vote
0answers
174 views

Finding Storage pool/volume path using virsh

I have a few questions about storage pools and volumes in KVM. Is there a way to get storage volumes' paths via virsh? How do I associate a storage pool to the path it is located in? Both virsh ...
1
vote
0answers
371 views

Virtualizing Windows 7 with qemu-kvm SATA Issues

I am working on virtualizing a windows 7 image using kvm on Ubuntu 12.10 64 bit. Here are the specs for my machine: CPU: Intel i7-2860WM ,8G RAM I am using an image created with WinImage of a ...
1
vote
0answers
438 views

Can't ping KVM guest from another computer

I've set up several KVM guest OSs on my Thinkpad laptop. These guests are all on the 192.168.122.0/24 subnet, while the host OS are in the subnet 192.168.1.0/24 together with another laptop(Dell) of ...
1
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0answers
345 views

Build Ubuntu VM using mirror

In kvm, using virt-install I can create centos images using this parameter in my virt install command. -l http://mirror.umd.edu/centos/6/os/x86_64/ Starting install... Retrieving file .treeinfo... ...
1
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0answers
3k 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: ...
1
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0answers
79 views

What facets should I consider when deciding which guest to jail in (“full”) KVM and which in LXC?

Currently I am migrating to a new server. The old one ran 10.04 as host system and a few more 10.04 and Debian 6 as KVM guests. This was alright, because the processor had support for virtualization. ...
0
votes
0answers
13 views

Qemu passthrough not working

My vga passthrough is not working. I use a Intel HD 2500 for my Ubuntu host and a Nvidia GTX 770 for my guest System if it would work. I think everithing works fine but not starting my virtual machine ...
0
votes
0answers
12 views

Client image freeze against Intel AMT KVM Ubuntu machine!

Server: HP Elitebook 8440p Ubuntu 14.04.2 Kernel 3.19 Intel AMT KVM v6 Client: Windows 8.1 Intel Manageability Commander Tool Mesh Edition (latest per 2015-03-19 cirka) + UltraVNC or Realvnc ...
0
votes
0answers
12 views

Logical Volume Size Change During KVM Install

I am installing Ubuntu Desktop on a Server host using virt-install. Soon after the install starts the LV that I am writing the virtual disk image to goes from 50G to 64Z. Impossible since the machine ...
0
votes
0answers
14 views

High microphone noise in Windows 7 KVM guest

I need to use web conferencing tools on my Win 7 KVM guest. The problem I have is that the mic volume is very low - my voice can be barely heard. I have raised the volume from Win control panel and ...
0
votes
0answers
28 views

Will Installing KVM or Xen affect my other partitions?

Sorry if this question has already been answered but I am a bit confused regards installing either Xen or Kvm for a school project. I have researched previous posts on this subject but I cannot seem ...
0
votes
0answers
33 views

Qemu-KVM Help: Can't blacklist one of two GPU's of same model

I'm trying to follow this tutorial to make a Windows KVM system for games, I have two GTX 760's, but I need to black list only one of them. According to this tutorial, if I put in the ID to black ...
0
votes
0answers
18 views

KVM is one app native do ubuntu for virtualization?

What is KVM ? a native application for ubuntu virtualization can be considered ? Ubuntu supports the paravirtualization ? to support paravirtualization , the procedure to do is the same virtualization ...
0
votes
0answers
34 views

kvm does not exits in ubuntu 14.04

Hello I just started learning android development so for that I need Virtual Device to test apps on it . But when I start virtual device it says CPU acceleration status: KVM is not installed on this ...
0
votes
0answers
32 views

kernel panic not syncing attampt to kill init

I'm getting kernel panic error in kvm machine, kvm machine is on lvm storage and we can't boot vm's from CD or DVD. so please help me out from this problem. please find the attached scree shot for ...
0
votes
0answers
108 views

AMD Graphics Driver version that works for R9 290 GPU Pass through

Dedicated GPU (AMD Radeon R9 290) passthrough setup to a VM running Ubuntu 14.04 x64 LTS. Hypervisor used is KVM. Tried installing the latest Graphics driver available on amd support site (14.501 ...
0
votes
0answers
53 views

libvirt-bin Remains in Stopping State When kvm Guests are Running - 14.04.1

I'm trying to ensure that any guest KVM virtual machines gracefully shutdown when the host server is shutdown/rebooted. I'm running Ubuntu Server Trusty Tahr (14.04.1) with following versions of ...
0
votes
0answers
117 views

Permission denied while invoking libvirt with -no-kvm-irqchip argument

Trying to start a VM with -no-kvm-irqchip as argument. in the vm.xml, I have specified emulator as "/usr/bin/qemu-kvm-irq" which is passing -no-kvm-irqchip as argument. > ...
0
votes
0answers
62 views

KVM client only has internet with ufw disabled

I have just installed a client OS (Windows 7) using libvirt and everything is fine. I have bridged an interface (br0) for my guest OS and I can ping my entire local network but I don't have internet ...
0
votes
0answers
626 views

Why “Error starting domain: internal error: Cannot find suitable CPU model for given data” in virt-manager appears?

After I deleted kvm module and re-install it, I get this error in virt-manager: Error starting domain: internal error: Cannot find suitable CPU model for given data Traceback (most recent call ...