QEMU (short for "Quick EMUlator") is an open source machine emulator and virtualizer.
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tunneling pptp vpn and network setup for bridged kvm running win7 enterprise on linux host
I'm using a win7 provided image from work to run inside qemu-kvm (libvirt/virt-manager).
The host is running Debian Wheezy.
The win7 vm wants to join the company AD and has certain tools to check if ...
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51 views
How do I bridge a connection from Wi-Fi to TAP on Mac OS X? (for the emulator QEMU)
I'm trying to setup a bridge between my Wi-Fi connection and an emulator (QEMU). I need a virtual machine to be on the same LAN as the host, with its own IP address.
QEMU requires using a TAP ...
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1answer
23 views
Is it safe to uninstall qemu and libvirt?
Fedora installs both by default. I didn't found what are them exactly for, but yum autoremove selects them for autoremoval.
Is it safe, for a normal user (I mostly use this machine for documents and ...
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33 views
How can I get qemu's Ctrl+Alt keys working in -curses mode?
So here's the situation; I currently have qemu installed on an OpenBSD 5.3 snapshot. This is a console setup so I have to either run with -curses or -nographic. The problem here is that I'm having ...
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52 views
ssh on qemu via tap interface
My host OS is Ubuntu and guest is a Gentoo-based distribution virtualized by QEMU with
qemu-system-i386 -kernel kernel.img -append root=/dev/sda -hda Main.dd -hdb Local.dd -hdc Var.dd -net ...
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1answer
98 views
Boot an existing GNU/Linux installation from a real HDD in Qemu-Windows
I'm now running windows 8 and I installed qemu-windows 1.3.1. I have two hard disks. When I try to boot existing Arch GNU/Linux from second disk using the command:
qemu-system-x86-64w -hda ...
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35 views
-kernel option like in QEMU for BOCHS
I am working on creating my own kernel using C/Asm. I have always used QEMU as my emulator mainly because I can specify -kernel and it boots the kernel directly without a boot loader. I wish to switch ...
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21 views
qemu -device testdev equivalent
I upgraded qemu from version 1.2.0 to 1.4.5, run regression test, and failed with the error message
-device testdev,chardev=testlog: Parameter 'driver' expects device type
After investigating the ...
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1answer
101 views
Use a real Windows hard-drive to boot off Qemu?
I'm looking for a Windows equivalent of Unixish:
qemu -hda /dev/sda
How does the Windows version of it look like, assuming the device I'd like to boot is under the drive letter E:? qemu -hda E: ...
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36 views
What VNC clients support qemu's audio extension?
I've read that
QEMU implements an extension for providing audio over a VNC connection
Unfortunately despite doing a lot of web searches and even installing some different VNC clients and ...
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1answer
117 views
Network setup for web development on KVM guest with host using wifi
I've a laptop running Linux connected to a LAN using wifi. I've used virt-manager to create a KVM/QEMU VM and installed Ubuntu on that. As expected, it can connect to the Internet to download updates, ...
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1answer
40 views
Is there a penalty for specify a different cpu than hosts in kvm/qemu [closed]
I am building a set of VMs for application testing, and would like to stress/performance test on different class of CPUs. What amount of overhead can I expect due to specifying a different CPU than ...
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1answer
172 views
QEMU: How to find bottleneck in my virtual machine?
I am running an ubuntu virtual-machine on a 12.04 ubuntu server. Unfortunately the machine is extremly slow (just htop consumes 15%), even though having 8 cores etc.
Do you know a way to find the ...
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2answers
331 views
Cannot open SDL support on Qemu
When I compile qemu for arm platform, I configure as follows:
./configure --cross-prefix=arm-linux-gnueabi- --target-list=arm-softmmu --enable-kvm --enable-sdl --static
But get errors below:
...
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174 views
QEMU & libvirt: Dual screen VM?
I'm running a Windows 7 guest virtualised under QEMU and using libvirt on a Fedora 17 host, does anyone know if it's possible to create 2 video 'cards' (or a single dual-head) and a spice server for ...
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1answer
94 views
Qemu does not shutdown with vnc enabled on OS X
I am trying to run Qemu on my Mac and I have some difficulties.
I am using OS X 10.8.2 and installed Qemu 1.2.50 via their repository.
Update:
Just upgraded to Qemu 1.3.50 and the problem is still ...
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1answer
166 views
How to set up virtual windows so it shares graphic card via IOMMU?
I'd like to continue using Linux as my desktop system. But from time to time I'd like to do some gaming. I know that I can use Wine and PlayOnLinux stuff, but it doesn't always work. I also know, that ...
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206 views
Running FreedomBox in Qemu
I wanna run the latest FreedomBox image on my Ubuntu laptop.
The FreedomBox image is for DreamPlug, a 1.2 GHz Marvell Kirkwood 88F6281 SoC (ARM9E), and my Ubuntu is v12.10 (3.5.0-17-generic i686).
...
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1answer
78 views
Problems switching to QEMU control panel with -nographics
It seems that the terminal does not recognise CTRL+ALT+2 when typed, so I don't know how to quit the QEMU emulation, or switch to the QEMU control panel.
I am running Mac OSX Lion, and I type
$ ...
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1answer
189 views
Reducing hard disk access of kvm
I have set up a kvm/qemu virtual machine on my home server (Ubuntu Server 12.04). My host system is installed on a small SSD but the image for the vm (virtual disk file) is saved on a classic HDD. ...
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149 views
SD Card image not identified under qemu
I'm trying to create a system in which I can access the SD card (not as root file system). I've compiled a linux kernel with mmc support (static, not module), I can see the mmc controller gets ...
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1answer
39 views
error in qemu monitor wavcapture with virsh
I have VM running on qemu-kvm. I am managing it with libvirt and command line tool virsh.
I want to record the audio output of the VM. Here is what I am trying -
virsh qemu-monitor-command -hmp ...
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143 views
VM using the hosts sound card
I've got a VM.
I want to make it used the sound card of the machine it is hosted on.
I added to my /etc/libvirt/myvm.xml:
<sound model='ac97'/>
and then did:
virsh #define myvm.xml
virsh ...
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1answer
108 views
Running os x app on linux using qemu
I would like to run a small app (TrunkDecrypt) on my Linux box. Unfortunately the app is compiled for Mac OS X, but I am only running linux. I have read somewhere that qemu supports executing code ...
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1answer
556 views
How do I get AVX support in QEMU?
I want to play with the new AVX instructions. I saw that QEMU might have support, so I built it from Git (yesterday). I set the CPU to SandyBridge and I booted Tiny Core Linux. TCL has kernel 3.0 and ...
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1answer
2k views
How do I convert an .img file to vhd?
I have an image file (linux based image) and want to convert it to VHD so that it can be used to create hyper-V VMs.
I used "qemu-img convert" to convert raw to vpc format, but vpc doesnt work for ...
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2answers
4k views
Does QEMU's performance (still) lag VirtualBox's and is there a way to improve it without the hardware support+kvm kernel module?
I've noticed several articles that have claimed that QEMU is slower than VirtualBox (without hardware assistance) but several are years old, and the newest seemed to be from last year.
Is it true ...
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0answers
542 views
QEMU within VirtualBox and bridged connections all the way down
I'm trying to get an ARM QEMU system out on my LAN. I tried running QEMU directly from Windows (Windows 7 x64), with success except I could not get a TAP adapter to bridge to my wireless connection. ...
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2answers
1k views
Is there any way to run 64bit Virtual Machine on 64bit processor without hardware virtualization (amd-v, vt-x)?
We have a 64bit virtual machine (CentOS) that we'd like to run on 64bit host-machine (may be running under any OS), but that host-machine doesn't support hardware virtualization, which, you know, ...
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1k views
Compiling QEMU on Mac OS X Lion
I've been having trouble compiling a working copy of QEMU on Lion.
When I try installing through homebrew, I get a screen like this when I attempt to run QEMU:
The blank screen just sits there ...
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57 views
Unable to edit KVM config file
I have installed KVM on my Ubuntu system. Using vmbuilder, I setup a linux VM. When I tried to access the console using virsh console vm command, I was getting an error. I tried to follow the solution ...
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367 views
Virtualized guest vs host CPU usage
I am using qemu with kvm as my hypervisor. I am running a gentoo guest on an ubuntu host. The guest is being given a single processor.
When I run a compute intensive job (say empty-loop) I get almost ...
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2answers
365 views
What could cause a video to play poorly in VLC?
I am playing a high quality (1080p) video using VLC inside a qemu-kvm virtual machine. The OS on my virtual machine is gentoo and the host OS is Ubuntu.
The video experience is very jerky : the video ...
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243 views
How do I install Windows 8 (from an ISO) using Q (qemu)?
I have downloaded an ISO image of Windows 8 from Microsoft Dreamspark and I am on a 27" iMac without administrative privileges. I would like to install and run Windows. The only way I found to do so ...
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1answer
546 views
qemu-i386 on ARM processor giving ld-linux.so.2 error
I am trying to install Ventrilo server on my SheevaPlug, running Debian ARMEL. Since Ventrilo server is an x86 program, I would like to try and use qemu-i386 to run the server on my ARM processor. ...
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2answers
1k views
How do I use the “-cpu” option in Qemu?
Using QEMU 0.14.1 under Ubuntu 11.10 with kernel 3.0.0-17-generic, if I run qemu -cpu ? I get:
$ qemu -cpu ?
x86 [n270]
x86 [athlon]
x86 [pentium3]
x86 [pentium2]
x86 ...
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1answer
480 views
DosBox Booting From HDD Image, FreeDOS Image created with qemu-img.
I'm having trouble booting a HDD image with DosBox. I've only gotten either read errors, or boot failures.
The HDD image is a verified working FreeDOS installation, created with qemu-img.
The image ...
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2k views
qemu: Set or force higher screen resolution than 640x480
I set up a virtual machine using qemu-system-arm (ARM emulation) running Debian squeeze. Now I have the problem that in the "Monitors" preferences, I can only select 640x480 as resolution.
Tried all ...
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1answer
453 views
linux 'top' not showing all processes
I am running linux top command to see processes running inside qemu VM. Sometimes, a process does not appear in them, but if I run,
ps -eo psr,pcpu,comm | grep myprocessname
then the process is ...
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99 views
Making qemu-based Marss simulation deterministic
I am using Marss cycle-accurate simulator, which uses QEMU. It is a full system simulator and gives both user and kernel stats.
However, even if I take only user-stats, the statistics vary a lot ...
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1answer
282 views
Why can't Windows 7 see my virtual storage devices in KVM?
I'm trying to install Windows 7 inside of kvm on Ubuntu 10.04. Previously I've installed guest Windows XP and guest Ubuntu without incident. However, when I tried to install Windows 7, this happened:
...
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1answer
511 views
Qemu & VNC - how to use absolute pointing device
I'm using QEMU with VNC for display running a Windows XP guest OS. When I connect with a VNC client, the mouse pointer position is pretty badly correlated to where my real mouse pointer is.
Is there ...
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2answers
1k views
Can the ARM build of ubuntu 11.04 run in Qemu (on Ubuntu 11.04 amd64)?
Is it possible to run the ARM image of ubuntu-11.04-preinstalled-netbook-armel+omap4 in qemu? (Also used on the Pandaboard)
I have extracted the vmlinuz-2.6.38-1208-omap4 doing the following:
fdisk ...
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1answer
977 views
How to boot a physical Windows partition with qemu?
I have gentoo and windows 7 installed alongside on my only hard drive. I want to start my windows install from within gentoo through qemu. Boot menu works fine but windows bluescreens on me soon after ...
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171 views
Using VNC client to access local QEMU VM
I have installed Debian in a QEMU VM and am currently using the default QEMU Manager as the main display, since QEMU allows VNC as the main display.
I have a VNC client installed on my PC; can I view ...
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2answers
691 views
qemu - fastest user-mode emulation platform?
I'm planning to run Linux under user-mode qemu but don't know which platform (eg x86, ppc etc) is the best to pick (performance wise).
The host is Linux x86-64 running in OpenVZ (so can't modify ...
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2answers
220 views
Full hardware emulation
I want to emulate some old desktop PC in order to run my application there (the emulated machine) as a stress test.
Is this possible? I looked around and some people mentioned Qemu, which is Open ...
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1answer
1k views
How to convert a VirtualBox virtual machine to QEMUwto image?
How do I convert a VirtualBox virtual machine to a QEMUwto image?
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699 views
How to boot dd image in QEMU?
I created an image of my Debian Squeeze running on a Sheevaplug using dd if=/dev/sda of=plug_SD-karte.img (sda is the SD card plugged into another computer). Now I want to emulate the Sheevaplug. I ...
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1answer
2k views
How to access internet from QEMU?
I am running qemu version 0.13 on windows XP. My Host OS is Windows XP and my guest OS is Debian 4(Etch). How do I connect to internet from Debian OS? My windows OS can connect to Internet. The ...
