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

learn more… | top users | synonyms

1
vote
0answers
10 views

qemu apt-get error failed to fetch

I am running a qemu terminal and trying to scp files into it. In qemu, I am running a linaro release. I have configured /etc/network/interfaces with auto eth0 iface eth0 inet dhcp I have also ...
2
votes
1answer
30 views

chroot: failed to run command ‘/bin/bash’:

I am trying to modify a kernel image before using it for qemu. I am trying to add a compiled binary to the image. I am using 64 bit Linux 14.02. What I am doing is, linaro-media-create --image_file ...
0
votes
0answers
6 views

Failed to start VNC server on `(null)': address resolution failed for localhost:5900 when trying to start qemu

When I try to emulation mips program, I have Failed to start VNC server on '(null)': address resolution failed for localhost:5900 when I try to start qemu: root@ubuntu:~/debian-qemu/be# ...
0
votes
1answer
11 views

How to pass commands noninteractively to running QEMU from the guest. QMP via telnet/SSH?

I'm running a virtualized Win8 (gaming) platform under Linux host. I use Synergy for keyboard and mouse sharing but I need to pass the usb devices occasionally. GPU is passed to the guest and I'm ...
2
votes
0answers
16 views

QEMU CPU Emulation Capability

Is it possible to emulate any/all Sandy Bridge CPUs using QEMu? Specifically, I am trying to get something akin to an Intel Xeon E5-26xx (a SandyBridge processor) running on hardware employing a ...
1
vote
1answer
26 views

How to configure Portforwarding on KVM Hypervisor?

I have a Debian install 3.2.68 with KVM/qemu/libvirt as hypervisor. In "/etc/network/interfaces" I only see eth0 with my static ip, but if I enter "ifconfig" I see also an "virbr0" interface with the ...
0
votes
0answers
9 views

USB not working in WIndows 7 guest qemu

I am trying to get my avermedia live gamer portable working in qemu and a generic usb thumbdrive, neither work. I am on qemu 2.1 on the debian repository. I saw this page but I don't understand what ...
0
votes
0answers
9 views

Getting AQEMU and QEMU internet to work

I am on Debian Jessie x64 and I installed aqemu and qemu from the repoistory. This installed 1:2.1+dfsg-12+deb8u1 I used aqemu's wizard and for the network section it asked if I wanted to use the ...
0
votes
1answer
50 views

Openvswitch: multiple virtual bridges over one bonding interface

My ultimate goal is to configure a RedHat 6.6 server with Openvswitch as shown in the following image: Interfaces configuratión files are: ifcfg-eth0 DEVICE=eth0 ONBOOT=yes NM_CONTROLLED=no ...
0
votes
1answer
28 views

Unable to resume KVM guest after rebooting host

I'm running KVM on Linux Mint 17.1, kernel 3.16.0-31-generic. The only guest is a Windows 8.1 VM. I've noticed that if I reboot the host while the guest is running, I'm unable to resume the guest ...
0
votes
0answers
139 views

qemu-kvm Windows 7 GUEST with vga passthrough doesn't work

Ok so I have a qemu-kvm Win7 VM setup. When setting it to use the standard vga output "-vga std" it works fine. Windows loads up, displays, no problems. If i set -vga none \ -device ...
0
votes
0answers
39 views

QEMU-KVM macvtap nic passthrough with which MAC address?

I want to give a host nic to a guest in macvtap/passthrough mode but, which MAC address I've to use for correct frames inter-transmission? The real address (of physical nic), or the virtual one? ...
1
vote
0answers
16 views

How to get a list of connected NBD devices on Ubuntu?

Looking at the man pages for nbd-server and nbd-client and qemu-ndb I don't see any way of listing what NBD devices are connected. Is there a way of doing this? The closest I can find by ...
0
votes
0answers
36 views

Converting .qcow2 V Hard Disk into .VMDK (Windows/VMWare)

Is any way to convert a .qcow2 into .vmdk on Windows 7 64-bit using VMWare Workstation? i did that using a tool qemu-img in my linux host (SLES11): qemu-img convert -f qcow2 vdisk.qcow2 -O vmdk ...
1
vote
0answers
38 views

Windows 98 networking doesn't work in QEMU

I installed Windows 98 in QEMU. I want to run networking in user mode. I start it with qemu-system-i386 win98.img -m 256 -soundhw sb16 so it should be using default network hardware and probably ...
0
votes
0answers
23 views

touchscreen passthrough for windows 8.1 qemu slave

I have a windows 8.1 vm running via kvm/qemu on an ubuntu 14.04 touchscreen laptop host. I can pass use my touchscreen as a regular mouse pointer if i pass through -usb -usbdevice tablet in the qemu ...
0
votes
2answers
326 views

vga-passthrough with kvm/qemu on optimus-capable laptop

i have an asus n550jv laptop with the following output from lspci -nn | grep "VGA|3D": 00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics ...
0
votes
0answers
23 views

How can I have different ip address on qemu vm with wireless host machine?

Because wireless doesn't support network bridge, I can't use bridged networking like virtualbox do. I'm running on arch linux with NetworkManager managing connection. Almost every possible way that I ...
0
votes
0answers
22 views

How to setup Windows 7 in Qemu on MAC?

I've installed quemu using homebrew . But in application folder there is no Qemu app. What to do? Im on osx Maverick.
1
vote
0answers
54 views

How to boot a USB 3.0 SATA HDD inside a Windows 7 Qemu Virtual Machine

I have a Windows 7 VM, that I would like to recognize a SATA HDD that is plugged into a Voyager Q (USB 3.0 "enclosure"). I have tried various commands, and tried logging the output of the command ...
0
votes
2answers
126 views

QEMU guest system starts off /dev/sdc but won’t start from disk image file

I have a copy of Windows XP installed on a hard drive which I would like to run with QEMU. When I start it directly from the HDD it runs fine: qemu -m 256 -hda /dev/sdc Starting ...
0
votes
1answer
51 views

Mount or extract data from LVM partiiton inside of a RAW IMG File?

I have a raw disk .img file (running file indicates that it is a "DOS/MBR boot sector" file). Running mmls produces the following output: DOS Partition Table Offset Sector: 0 Units are in 512-byte ...
0
votes
0answers
18 views

Unfortunately Blueetooth Share Stopped when setting AndroidX86 with Qemu

I am trying to run AdnroidX86 on Qemu Linux x64. Everything works, installation went fine but I keep getting the error abovre constantly which limits my interaction with the the virtual device because ...
0
votes
0answers
49 views

How to enable bluetooth in Qemu? -Bt option throws and error

I am trying to enable bluetooth with Qemu when running an image (AndroidX86) but I am getting an error. According to the document I can just use the "-bt" switch but that is not recognized by the ...
0
votes
0answers
55 views

Qemu mouse movement speed

Is there a way to increase the mouse movement speed in qemu? Currently, the mouse in the guest OS is horrible slow even when max speed is set in guest OS. This is the QEMU startup command: ...
0
votes
1answer
26 views

Can we say that QEMU is a Virtual Machine?

What I perceive as a Virtual Machine is that it simply allows to load another Operating System side-by-side on its own sandboxed environment. It is limited to the same hardware architecture as the ...
1
vote
0answers
13 views

spicy-client assertion failure after computer crash

I usually use spice-client to connect to remote VMs without any problem. Today during usual work my pc freezed (I am strong confident that this is not due to spice) and forced me to brute shutdown. ...
0
votes
0answers
123 views

Control fan speed under linux without nvidia drivers

I have quemu-kvm configuration like this - IGP on host (linux) and Nvidia on guest (windows). I blacklist nvidia drivers under linux (arch dist.). Is there a way to set GPU fan speed under linux ...
0
votes
0answers
87 views

No outgoing traffic through passthrough network adapter (NIC ) on KVM guest

I have KVM host operated under CentOS 7 and guest with Windows 7 on it. Host NIC is passed to the guest as PCI device passthrough (not bridge, not NAT). Guest detects the NIC (drivers, cable plug, ...
0
votes
0answers
29 views

VirtualBox on QEMU host?

I have remote access to a QEMU Windows Server 2012 (64 bit) VM with 12 cores @ 2.8 GHz ("QEMU Virtual CPU version 2.0.0") and 48 GB RAM. For a project I wanted to set up a Linux VM on VirtualBox on ...
0
votes
0answers
83 views

How can I emulate Windows Server 2008 R2 with QEMU? / Cannot virtualize Win2K8 R2 using QEMU on Windows Host

I have used precompiled QEMU 2.2.0 (64-bit version) to emulate a PC running Windows Server 2008 R2. The Host OS is Windows 8.1 Enterprise 64-bit, and my CPU doesn't support Intel VT-x so I can't use ...
0
votes
0answers
26 views

qemu ARM: Unsupported syscall: 983040

I'm trying to run a ARM32 binary within qemu but I get seg fault: root@debian:~/squashfs-root# chroot . ./qemu-arm bin/xxx qemu: Unsupported syscall: 983040 qemu: Unsupported syscall: 983040 qemu: ...
0
votes
0answers
50 views

How to emulate pentium 4 with qemu?

Does anyone know if QEMU emulates pentium 4? It isn't in the list specifically, but i don't know about some of the listed architectures. qemu -cpu ? x86 [n270] x86 ...
0
votes
0answers
28 views

Show qemu command line from virsh

I am debugging a problem with a libvirt VM starting, and I want to see the exact command line that it is going to use to start qemu. Is this possible using virsh or some other utility?
0
votes
1answer
77 views

Why does my networking work while installing os in qemu but doesn't when I boot

I have a qemu system running arch-linux. While installing the device with: qemu-system-x86_64 -hda arch.img -boot d -cdrom archlinux-2014.12.01-dual.iso -m 1024 I can access the network from qemu ...
0
votes
0answers
70 views

OSX + X11 + KVM keyboard mapping

I'm ssh -Xing from my macbook air into a remote linux machine, on which I'm running virtual machines with kvm. Somewhere along the way, something is lost--it says I can press ctrl+alt to release the ...
1
vote
0answers
161 views

Using directory as initrd in QEMU

Is there a way to use a directory as initrd when booting QEMU? I know how to use the -kernel and -initrd flags for QEMU to boot a kernel and initrd without needing to first create a bootable device ...
0
votes
0answers
196 views

troubles with PCI-E passthrough with qemu on ubuntu: pci-stub/bind says no such device

so im trying to bind my second radeon card to pci-stub, as per instructions for setting up GPU passthrough in here, but once i get to binding the card to pci-stub, it tells me it isnt there. this is ...
0
votes
0answers
32 views

QEMU: Saving space in a “child” image?

I'm not exactly sure what the QEMU terminology is, so I'll clarify that "child" image means an image that has a backing image. I.e, an image that contains the differences between the backing image's ...
0
votes
0answers
128 views

Getting an already installed Android x86 partition to run on KVM

I have Android installed on sda3, and it boots fine when loaded from Grub with the following commands: set root='(hd0,3)' search --no-floppy --fs-uuid --set=root 977083a6-5762-4064-b860-39429b9e0cf8 ...
2
votes
0answers
2k views

failed to access perfctr msr - When running Fedora on a VM

I'm trying to run a Virtual Machine with Fedora, and I choose to "Start fedora" from a list where I can start it or troubleshoot problems. The I get the following output: [ 0.00000] tsc: Fast TSC ...
0
votes
0answers
348 views

QEmu with -runas parameter does not connect to user's pulseaudio session?

I am trying to set up a multi-headed workstation with one physical graphics card (pci-passthrough) per VM using qemu 2.1 on a ubuntu 14.10 server. The guest OSes are Windows 7 (also tried Windows ...
1
vote
1answer
306 views

iPod Touch 5G won't recognize in qemu Windows 7 VM

I have an iPod Touch 5G, and a Windows 7 VM. I am trying to pass through the iPod Touch to the VM so Windows can recognize it, but I am getting the following error in the qemu monitor. (qemu) ...
0
votes
0answers
25 views

How to make redboot work with different network adapter?

I have several VM's running in libvirt/qemu-kvm and I need to run another one that was given in virtualbox format. I converted images and created almost the same config in libvirtd, VM starts but ...
0
votes
1answer
138 views

qemu + centos 7 - cpu tuning in not available on this host

I am running OpenNebula on Centos 7 hosts - one host is fully operating the other two says: error: unsupported configuration: CPU tuning is not available on this host I've got through some git code ...
1
vote
1answer
100 views

Using QEMU to install DOS on the second partition of a real HDD - Can it be done?

I've recently been trying to put DOS on an old HDD I've got lying around. Trouble is, it's already got Windows 98 on it. I resized the 98 partition down and made another for DOS. This is where I hit ...
0
votes
1answer
133 views

Unable to start VM from php

From a php page I am trying to start Virtual Machine using virsh tool on KVM hypervisor but I am getting this error. error: Failed to connect socket to '@/var/www/.libvirt/libvirt-sock': Connection ...
1
vote
1answer
2k views

How to build a portable windows virtual machine without admin permissions and with high performance?

I need to build a portable virtual machine that could be used on user restricted PCs that need admin permissions. I've heard about QEMU. But the problem is that it is very very slow when running. Is ...
0
votes
0answers
24 views

Is there an overview of machine and cpu compatibility and smp support for qemu 2.x?

I started an attempt to get an qemu 2.1.2 instance running which uses multple threads and cores of the host CPU and realized that the descriptions of -cpu help and -machine help neither provide an ...
0
votes
0answers
83 views

Qemu within an ubuntu image(virtualbox) cannot ping the host

Im running QEMU within an ubuntu image (of virtualbox). This virtualbox is installed in a windows 7(host). The problem is QEMU cannot ping the host but it can ping the ubuntu image. Here's some of ...