QEMU (short for "Quick EMUlator") is an open source machine emulator and virtualizer.

learn more… | top users | synonyms

0
votes
1answer
47 views

Weird output from linux `top` command

I got a weird output from command top, which shows the summation of the RES column is greater than my physical memory. For instance, I have a host with 64G physical memory and the swap partition has ...
0
votes
1answer
20 views

QEMU outside gateway

I've created two instances of CentOS6.5 (KVM) using Virtual Manager and I'm able to ping google.com, yahoo.com,etc... However the ip addresses for the instances are 192.168.0.* and the machine that ...
0
votes
0answers
24 views

Creative X-Fi no sound in Windows 7x64 (Passthrough)

I am running a virtual Windows 7 x64 installation with qemu-system-x86_64 and a Creative emu20k2 Elite Pro (Titanium) soundcard passthroughed (with vfio) to the windows 7 machine. I passthroughed the ...
0
votes
0answers
18 views

Testing Linux Kernel in QEMU gives black screen after brief text

I'm trying to run a linux kernel (version 3.14) I custom built using make menuconfig. I am trying to test it in QEMU and this is the command I am trying to run: qemu-system-x86_64 -kernel ...
0
votes
1answer
57 views

How to create a fixed size virtual disk with qemu-img?

What's the best way to create a fixed size disk with qemu-img ? I tried doing this., and it always seems to be creating a virtual /growing disk, doing a ls returns the actual small size of the vmdk. ...
0
votes
0answers
34 views

Improve the screen resolution in a virtual machine

I installed Windows Server 2012 Trial in virt-manager/qemu-kvm. When I look at the display settings, the screen resolution is limited to 1024x768 and there is only one Generic Non-Pnp Monitor in the ...
1
vote
0answers
25 views

KVM Arch install - no network

I often use KVM to try out various Linux distros. All I have tried so far get an automatic network, Red Hat and Debian have all connected out of the box, no problem. Makes installations very easy. ...
1
vote
0answers
32 views

How to forward usb port to guest OS using qemu

I have lots of usb devices and I would like to connect them to guest os. Currently I'm forwarding one device at a time. $ qemu-system-x86_64 ... -usbdevice host:xxxx:yyyy I would like to give ...
0
votes
0answers
23 views

Qemu and KVM error in my system

Whenever I execute virsh version or qemu version I got this error qemu: symbol lookup error: qemu: undefined symbol: rbd_aio_discard I am unable to create the virtual machine in virtual machine ...
1
vote
1answer
458 views

Virtualize an existing windows 8.1 installation on arch

I have the following setup: Intel i5 4570s SSD for os sda1: EFI boot partition sda2: ext4 with arch installed sda3: swap sda4: microsoft reserved sda5: ntfs with windows 8.1 installed HDD for data ...
1
vote
0answers
186 views

nova-compute libvirt x86_64 emulator Error

I was trying to install openstackin Ubuntu12.04 server. I find that Nova-compute is not getting started and the error is the below. I followed some of the suggestions in various forums, but nothing ...
0
votes
0answers
8 views

Q(emu) on OS X, has a MV that I cannot start nor delete

I just installed Q on my MAC machine, and I tried to install Linux Mint 64 bit. So after a few trys I set the "platform" to "x86-64 PC", then ran it. The program immidiately said you can't open the ...
0
votes
0answers
24 views

Making qemu look better

I have a machine running kubuntu, and use qemu to run a VM. It looks really bad as you can see in the screenshot. What can I do to make it better? I prefer solutions that don't require sudo access, ...
0
votes
1answer
46 views

How to expand the file system for RPi emulation with QEMU?

I've recently grabbed a pre-compiled version of QEMU running Raspbian Wheezy for use on Windows as I would like to do some testing and a dev environment like this is far more kind than using the ...
1
vote
0answers
54 views

How to bootstrap a MIPS NetBSD iso in qemu?

I'm trying to bootstrap a NetBSD 4.0 iso in qemu, but am not having much luck. My host computer is running OS X, and I successfully installed qemu with homebrew, but have been unable to bootstrap the ...
0
votes
0answers
26 views

Boot Directory as FAT32 with Qemu

I have a directory "root" with a subdirectory structure corresponding to an ARM OS suitable for running on the Raspberry Pi. This directory structure is implemented in NTFS. I could (theoretically) ...
0
votes
0answers
46 views

QEMU not booting solaris 10 x86 with -icount 1

I have managed to install solaris onto a hardrive (.img) but qemu is not able to boot it when i use the -icount 1 command line option. It throws an error: "qemu: Fatal: Raised an interrupt when not in ...
0
votes
0answers
9 views

QEMU CD in Linux

I am using QEMU and passed an .iso image to it (via -cdrom), but I am unsure what the /dev/someThing for it is (under guest Linux). I tried /dev/cdrom which did not exist... What is the device name ...
0
votes
0answers
86 views

KVM Graphical Guest on Headless Server

I have a headless server running Ubuntu 12.04 LTS. I was able to install KVM and its helper packages with no problem. However, now, I am trying to get a desktop KVM guest installed. I've run into ...
1
vote
0answers
34 views

QEMU: weird display output when install debian on mac osx

I got weird display when I tried to install debian on osx 10.9.1 qemu-system-i386 -hda debian.img -cdrom ~/Downloads/debian-testing-i386-netinst.iso -boot d QEMU is the newest version brewed from ...
1
vote
1answer
101 views

How to start QEMU on Windows with monitor enabled?

I've downloaded the latest 64-bit version of QEMU for Windows and it installed fine. However, I now have problems switching to Monitor mode when trying my code. The documentation says Ctrl-Alt-[1, 2, ...
0
votes
0answers
97 views

Trouble installing Grub2 on virtual disk

I'm trying to create a virtual disk with grub2 on it. I'm doing this because I'm going to be writing a multi-boot compliant loader. I want to test this on a VM, so I need a virtual disk with grub2 for ...
1
vote
1answer
1k views

Installing Windows 8.1 64 on Qemu Fails - no disk can be found due to Virtio driver issues

I'm unable to install Windows 8.1 x64 with the following steps on a qemu virtual machine: qemu-img create -f qcow2 Windows8.img 20G qemu-system-x86_64 -machine pc,accel=kvm:tcg -cpu host -m 2048 ...
0
votes
1answer
378 views

Copy/paste issue in Ubuntu virtual machine (QEMU-KVM) with Awesome window manager

I have Ubuntu 12.10 virtual machine running in QEMU-KVM. Copy/paste between host and vm works fine when using Unity as window manager but not while using Awesome. What is the difference between ...
0
votes
0answers
49 views

Virtual machines using wrong IP addresses

I have a host computer (A), running three virtual machines: X,Y and Z. They're under a NAT layer, in which the Host A is the gateway (192.168.0.1/16), and the VM's are respectively 192.168.0.2 (X), ...
0
votes
1answer
337 views

How can I get hard drive to work for QEMU-virtualized Windows Home Server 2011?

I have configured a Windows Home Server 2011 guest with virt-install and virsh, but the windows installer can't find any hard drives. Nor can it load any virtio drivers for it. This is my first ...
1
vote
1answer
325 views

“ACPI\QEMU0001” unknown ACPI device after Windows 2008 install with libvirt

After installing Windows 2008 in a libvirt virtual environment (command below for reference), I'm stuck with an "Unknown device" in Device Manager. The Hardware Ids show ACPI\QEMU0001. I tried using ...
0
votes
0answers
93 views

Does Chicken VNC support copy-pasting plain text from remote machine to local machine?

I'm trying to get some plain text copied from the remote to the local machine over VNC. This sounds like a basic requirement to me, but I can't find a way to make this work in Chicken VNC. There don't ...
3
votes
1answer
2k views

How to enable network with a raspberry pi emulated on qemu?

I'm trying to emulate a raspberry pi on my ubuntu 13.04. I installed qemu and it works well except for the network. I followed this procedure. On the virtual machine, the file /etc/network/interface ...
0
votes
0answers
250 views

Setting libvirt/qemu's keymap for VNC

I'm setting up a KVM system on Ubuntu 13.10 with qemu/libvirt, and would like to change the default (or at least per-VM) keymap that VNC uses. The keymap I'm interested in is "be", so in qemu terms ...
0
votes
0answers
45 views

How can I use a directory in the host system (Windows) as the file system root (or even simply a shared folder) for Linux in QEMU?

I have heard that Linux does goofy things with file systems, and therefore uses different file systems from Windows, hence the virtual disk file. (More on that below.) However, I am accustomed to the ...
1
vote
1answer
1k views

How do I create a wifi network bridge with qemu on OS X?

I grabbed a small FreeBSD live CD and QEMU, and I'm trying to bridge my Mac OS X 10.8 wifi connection so that the guest OS is available on my LAN. However, the guest OS never gets a DHCP lease. This ...
0
votes
0answers
93 views

How to install QEMU on Damn Small Linux?

I'm trying to install QEMU on a Damn Small Linux installation in order to emulate Pentium features in a 486 computer. Though DSL was discontinued, it's the only Linux that runs reasonably on the 486 ...
1
vote
1answer
67 views

Will QEMU emulate processors newer than the one in which it's running?

If I compile QEMU in Linux running on a 486 processor, will it be able to emulate the Pentium processor features on it (like MSR)? And, if it doesn't, is there any way to emulate the Pentium features ...
0
votes
0answers
36 views

How to debug a kernel created using ubuntu-vm-builder?

Aim: Trying to perform a code walkthrough of what functions are getting called for sending and receiving packets over the network. I am building a kernel and using gdb for debugging/ tracing ...
1
vote
0answers
27 views

Swapping floppies in FreeDOS+Qemu

I am trying to replace a floppy inside a qemu machin running freedos 1.1. I remove the old floppy and inserts the new using change floppy0. Now when I dir A: nothing has changed. If I try to run a ...
1
vote
0answers
17 views

windows VMs unpredictibly require login

I have a cluster of VMs on a number of cloned servers using libvirt/qemu. Occassionally the windows 7 vms randomly require a login screen, even though I've done everything I can think of and can ...
0
votes
0answers
40 views

Redirecting qemu output to a local file

Hi I am working on qemu which virtualizes android 2.3.5 gingerbread. I can give basic linux commands in qemu such as ps. what i want to know how can I redirect the output. Looking for something like ...
0
votes
0answers
67 views

Unknown OS hostname and product in virt-manager

I'm using libvirt on a Fedora 19 host, running various Linux guests with QEMU and KVM hypervisors. Using the virt-manager GUI, when I look at the guest Overview screen, in the Operating System ...
0
votes
1answer
374 views

QEMU and the Raspberry Pi

[I re-titled this for posterity, since it does turn out to be somewhat raspberry-pi centric] I'd like to try QEMU as an alternative to cross-compiling. I'm using v. 1.0.1 on fedora 17 [later: same ...
0
votes
0answers
140 views

Installation of QEMU and GCC for emulation of ARM processor - RHEL

I am trying to install the QEMU to emulate the ARM processor and run assembly programs. As part of the emulation in RHEL systems, I need to install the following. QEMU Emulator GCC for ARM GDB ...
0
votes
0answers
74 views

Issue creating new virtual machine

We're running a few virtual machines on KVM-QEMU. We have some images set up that we just clone when a new machine is needed. Normally I run virt-clone -o win-xp -n --auto-clone However today when ...
0
votes
0answers
163 views

USB storage drivers in qemu for Windows installation on TI-Nspire

I'm trying to install Windows XP on my TI-Nspire CX CAS calculator. Those of you who are still reading, I've decided I'm going to try compiling qemu in Ndless and configuring an x86 emulation. If ...
0
votes
0answers
103 views

Virtual machine host software

I would like to create a virtual machine running Linux and a couple of network services. This virtual machine should be on a USB stick and able to run on both Windows and Linux hosts, with as little ...
0
votes
0answers
91 views

How to mount QCOW image file in windows 7

How to mount QCOW image in windows 7. I must use Qemu or not. And what I have to use the any program? What should I use?
1
vote
0answers
85 views

Can QEMU be used on Mac OS X to emulate a one-core CPU (preferably only the CPU)?

Can QEMU do this kind of emulation? On Macs there's no an easy way to set CPU affinity, so this could an interesting workaround for the older programs that don't work well in multi-core environments.
0
votes
1answer
507 views

64 bit guest on a 32 bit host

I've been searching around here but didn't found a proper answer. I have problems to start a 64bit (ubuntu-amd64) guest system on a 32bit ubuntu host, using qemu. I've made sure that the kvm kernel ...
0
votes
1answer
2k views

QEmu to share a directory with the host

My problem is that networking devices in my device tree are not very stable so I thought the best way to share a folder between qemu and the host system is mount the same img without cache on both ...
1
vote
1answer
1k views

qemu kvm - can't start VMs after installing xen hypervisor

I had been using QEMU KVM for long time and have few VMs. Recently I installed XEN Hypervisor following this instructions but decided to apt-get remove xen-hypervisor-4.2-amd64 Problem is that now, ...
0
votes
0answers
19 views

virt-manager only stays connected to one host at a time

I use virt-manager (http://virt-manager.org/) to do basic administration on some hosts of where I have virtual machines running. I was doing this while in Iceland, and would authenticate against the ...