0
votes
0answers
75 views

GeForce GTX 660 as passthough device with KVM : error no iommu_group for device qemu-system-x86_64

I'm tryng to use my GeForce GTX 660 as passthough device with KVM. I'm reading this guide : http://www.pugetsystems.com/labs/articles/Multiheaded-NVIDIA-Gaming-using-Ubuntu-14-04-KVM-585/ I'm ...
1
vote
1answer
49 views

How to migrate from Proxmox to VMWare?

I am wondering how it is possible to migrate a full hardware VM in Proxmox (qemu) to a full hardware VM in VMWare (vmdk). I have been searching all over the place, and it seems almost impossible to ...
3
votes
1answer
52 views

Run AVD and VirtualBox at the same time

I'm developing for Android so I have the Android SDK installed and in it the program that runs virtual machine. Also, from the same reason, I'm running a oracle virtual box to host myself a redmine ...
1
vote
2answers
85 views

get CPU usage of a VM (linux) using java

Is there an API for Java in getting the CPU usage of a VM in KVM? I want to know how I could get the CPU usage of a guest (from the host's perspective) using Java. Also, does anybody know where I ...
5
votes
1answer
107 views

kvm killed by oomkiller

kvm version: QEMU emulator version 1.1.2 (qemu-kvm-1.1.2+dfsg-6+deb7u3, Debian), Copyright (c) 2003-2008 Fabrice Bellard libvirtd version: libvirtd (libvirt) 0.9.12.3 debian version: 7.5 I'm running ...
3
votes
1answer
49 views

Sharing partitions in qemu

Apart from networking and partition sharing I've made qemu work pretty much like I want it to. I've got a bit of a special setup, I need to pass through /dev/sda, /dev/sda1 and /dev/sda2. (Is it ...
0
votes
1answer
129 views

Nested virtualization: run RHEVH inside KVM

I have laptop with 16GB RAM, trying to install Red Hat Enterprise Virtualization Hypervizor 3.3 on Virtual Machine Manager (KVM) based Guest, but it gives error "Virtualization Hardware not found" ? ...
0
votes
1answer
1k views

CentOS 6.5 + KVM (Virtual Machine Manager) create shortcut - Laucher for Guest Machine

How can I create a Launcher on my desktop for guests machines inside of KVM on desktop of CentOS 6.5?
1
vote
1answer
156 views

CPU Placement in KVM

I have a configuration of KVM guests where the cpu placement is configured as follows: <vcpu placement='static'>1</vcpu> Now since I don't have a cpuset specified I was reading libvirt ...
0
votes
1answer
54 views

Secondary bridge only working at random in debian wheezy

We are currently migrating from vmware server to kvm. So far everything works smooth, with the exception of the secondary bridge. Our network layout is as follows: Firewall with 3 ports eth0 Public ...
0
votes
2answers
800 views

Mageia - how do I setup a KVM for Windows gaming?

Okay so I setup a KVM using Virt-Manager, Iset it to 7443 out of 8GB RAM, Got it to emulate my CPU fully, everything worked fine, but I cant get my GPU to unbind from the host to the guest, So is ...
0
votes
1answer
506 views

Enable 9p filesystem type in Centos 6 virtual guest?

My question is linked to this one : http://stackoverflow.com/questions/17880460/mounting-shared-folder-in-kvm-vm-error-mount-unknown-filesystem-type-9p (but can't comment it) I have apparently the ...
2
votes
2answers
148 views

Why do I see more processes in KVM than in OpenVZ?

I've got a 512mb Centos 6 VPS running on KVM. Now another VPS from a org. I manage is running on OVZ. When I type top on the KVM one, I get a whole list of all sort off processes. But when I do this ...
4
votes
1answer
839 views

One host, two virtual machines that cannot ping each other. How to solve

We have Virtual Machines operating within the KVM environment. We setup one as a dev server running Apache etc., and the other as a Windows development environment. The two environments are setup ...
1
vote
1answer
2k views

Viewer Connection to hypervisor host got refused

I used the inbuilt VNC-Viewer in the virt-manager to see the VM desktops. But now when I click the Play button in the VM Window to see the desktop of the VM named server1.example.com, I get an error ...
0
votes
2answers
1k views

How to check which hypervisor is used from my VM? [duplicate]

So I'm running a VM somewhere and want to know what hypervisor the host is running. Any way to check whether it's running KVM or in a container? The vm is running Ubuntu
1
vote
0answers
391 views

Ubuntu 10.04 kvm Virtual Machine guest network speed slow

i have the following situation, i have a kvm host ubuntu 10.04 LTS 64-bit network host speed is perfectly run , as i am testing network speed using iperf , the speed between any network device and the ...
5
votes
3answers
2k views

Host CPU does not scale frequency when KVM guest needs it

I have asked this question on serverfault, but it could also have been posted here. I will synchronise the answers if one is found. Observation: I have an HP server with an AMD dual core CPU (Turion ...
4
votes
3answers
124 views

What is contained in these addresses?

I am working on MUlti-processor record-replay feature of a virtual machine. I have a log of non-deterministic memory access done in the virtual machine by virtual CPUs. A very high proportion of these ...
3
votes
2answers
102 views

How long could I work with stable release after it is no more supported?

I'm still working on Debian squeeze which will be supported for only about 1 more year (it is server with KVM). How long is it possible to work on an old version of Debian (after Debian gets old) when ...
1
vote
1answer
1k views

How to limit CPU performance for KVM VM?

imagine 1 Virtual machine with 2 shared cores on quad core CPU 2Ghz speed. Is it possible to limit this Virtual Machine for 500Mhz of CPU power on both cores? Or to reserve 1Ghz on 1 core for this ...
2
votes
3answers
7k views

KVM - Which Web Based management to use?

I would like to became an Expert of managing KVM on debian squeeze. I still use virt-manager. Yes, it is easy and quiet safe and quick for me. I tried a lot of web based management UI and non of ...
3
votes
2answers
156 views

How to report back system installation progress

I'd like to do some reporting from the system setup progress for virtualised (libvirt/kvm) Ubuntu servers. I expected some kind of such system to already exist out there, but couldn't find anything. ...
2
votes
0answers
241 views

How to setup KVM partitions?

I'm trying to install SolusVM/KVM on a server with one 500 GB HD and one 256 SSD. I am a complete beginner at Linux. SolusVM has a script on the site to download and install automatically, but how do ...
1
vote
1answer
4k views

What is the difference between virbr# and vnet#?

I am running KVM on RHEL6, and I have created several virtual machines in it. Issuing ifconfig command to the host system command line shows a list of virbr0, virbr1... and vnet0, vnet2... Are they ...
4
votes
0answers
184 views

Socksifying a qemu-kvm using tsocks

I'm trying to socksify a qemu-kvm using tsocks, but I have no success. I don't know if qemu access directly the hardware, skipping the OS or something like that, but I wasn't able to do this feat. ...
1
vote
1answer
2k views

Bridging ethernet interface

I have a server with 4 public IP's. I have it with this configuration and I want to bridge the interface eth0 for using it with KVM: So, I have 3 IP's (A.B.C.144, A.B.C.145, A.B.C.146) and another ...
2
votes
1answer
353 views

KVM: network partially lost for the host, guests are fine

I got KVM working fine on a Linux system, for quite some weeks. Then today something weird happened: suddenly the host (and the host only) lost some of its Internet access: it can still access the ...
3
votes
1answer
6k views

How to install KVM on CentOS 6

I can't install kvm on CentOS. I got these errors: [root@localhost etc]# yum groupinstall kvm -y Loaded plugins: fastestmirror, presto Loading mirror speeds from cached hostfile * base: ...
6
votes
1answer
3k views

Linux - LXC; deploying images with tiniest possible X11

is it currently possible to setup LXC containers with X11 capabilities? I'm looking forward for the lightest available X11 container (memory-wise), hardware acceleration a plus but not essential. If ...
12
votes
2answers
1k views

Weight-based block IO control for VMs

I use KVM to manage my virtual machines. I am trying to limit the resources provided for VMs. I am able to limit the CPU and memory allocated for VMs using libvirt/cgroups. Now I want to control the ...
5
votes
1answer
462 views

Linux process scheduling - Cap/Weight based?

I am just trying to understand the basics of Linux scheduler. Is Linux scheduler a Cap based or weight based scheduler? I was previously using Xen. Now I am moving from Xen to KVM. I read VMs are ...
2
votes
1answer
533 views

KVM with directory rootfs

I'm currently working on an embedded system design and my test development machine is currently a VM running in KVM. Is it possible to have KVM mount a directory (like a chroot) and use that as the ...
6
votes
3answers
9k views

How to create a dupe of a KVM/libvirt/virt-manager VM?

I'm a bit lost with virt-manager / libvirt / KVM. I've got a working KVM VM (Windows XP) which works nicely. The VM is backed by a 4GB file or so (a .img). Now I want to do something very simple: I ...
5
votes
2answers
729 views

Good tutorial for setting up a KVM/Xen box and advice on which would be better

I've got a dual xeon, 2GB, 75GB hd server that I'd like to turn into my dedicated virtual environment. Currently I'm using VirtualBox locally to run a mock cluster for Cassandra and Nginx/Haproxy, ...
6
votes
3answers
7k views

How do I connect a serial terminal to a KVM instance?

Perhaps I'm misunderstanding what KVM is capable of, but the ability to add/remove hardware on the VM seems to imply I can add a serial port that then acts as a terminal. So, my questions are: ...