Qemu is a cross-platform processor Emulator.

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2answers
115 views

Make bootable image from non-bootable to use with qemu

I hope the question is not duplicate, I didn't find anything helpful by myself. (And sorry for my english) I have a new Raspberry Pi, and I need to install on it an os with some softwares. I ...
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2answers
853 views

I can't add “<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>”

ubuntu 13.04 qemu$ virsh version Compiled against library: libvirt 1.0.2 Using library: libvirt 1.0.2 Using API: QEMU 1.0.2 Running hypervisor: QEMU 1.4.0 i want to use "Pass-through of arbitrary ...
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1answer
162 views

Error while creating qcow2 file using qemu-img

When I am creating an qcow2 file using qemu-img command I am getting error as librbd.so.1 file not found. When I check for the dependencies that .so file is present in the /usr/lib folder. Can any ...
1
vote
1answer
205 views

How to define clone presets to virt-manager

When using virt-manager 0.9.1 to clone existing machines, it ignores that the virtual disks are qcow2 compressed and sparsed. The cloned virtual disks are non-sparsed and in raw format. I know about ...
1
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1answer
238 views

Is it normal for a 14GB VHD file to be converted to a 100GB+ BIN file?

i want to convert a vhd-file to vdi and found a manual which says i have to convert the vhd first to bin. But qemu-img creates a 130GB file (even if theres not enough space on disk) from the 14GB ...
0
votes
1answer
8 views

Where does ubuntu touch emulator store drives?

I installed the ubuntu-emulator package. I created a instance. I didn't remove it before uninstalling the package but now the instance isn't listed when typing ubuntu-emulator list. So where does the ...
0
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1answer
104 views

Recipe for target 'vmlinux' failed?

I'm attempting to build a kernel for QEMU to emulate a raspberry pi: http://xecdesign.com/compiling-a-kernel/ https://www.raspberrypi.org/documentation/linux/kernel/building.md However, running the ...
0
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1answer
93 views

Why is QEMU so slow even with KVM

I've been working with QEMU for some times now and from my experience I see it being very slow compared to other VM tools like VirtualBox or VMWare. Even enabling KVM doesn't do much of a benefit for ...
0
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1answer
1k views

QEMU/KVM/Virt-Manager: Passthrough of USB Webcam to Windows 7 Enterprise creates “NEC USB HUB”

I am trying to passthrough my USB Webcam into my Windows 7 Enterprise x86-64 QEMU/KVM guest, which is managed by virt-manager. First I lookup the bus/device ID: $ lsusb Bus 002 Device 008: ID ...
0
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1answer
967 views

How to change qemu default machine?

I use Kubuntu 14.04 (x86_64 3.13.0-43-generic #72-Ubuntu) with qemu-kvm. $ kvm --version QEMU emulator version 2.0.0 (Debian 2.0.0+dfsg-2ubuntu1.9) How could I change the "default" machine (now it ...
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1answer
670 views

Compile qemu-kvm, kvm - how?

I am using ubuntu 14.04 64 bits and am trying to build kvm - here is what i did according to many messages I saw on this same topic. git clone https://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git ...
0
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1answer
753 views

How to open a qcow2 file in Ubuntu 13.04

I have cloudera-quickstart-vm-4.4.0-1-kvm.qcow2 file which I took from this site but I don't know how to play the vm. Could you please give me some hints or introduce me the proper tools?
0
votes
1answer
510 views

Unknown Filesystem Type 'msdos'

I'm trying to mount a disk image with FreeDOS I have so I can move some old DOS programs over to play through QEMU as a test for a friend who has to use DOS programs at her work. When I try to mount ...
3
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0answers
236 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 ...
3
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0answers
251 views

Very slow speed while mounting via SSHFS

My host is ubuntu 12.04. My guest is vanilla 3.0.33 kernel with custom rootfs. I have encountered the subj problem, while mounting host folder on the guest machine via sshfs. sshfs ...
2
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0answers
118 views

How to get qemu binaries for mips

I am a new user for qemu. I successfully compiled for my system (x64) but when I tried to compile it for mips it generate error that Why I think that is there any way to get already compiled binary ...
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0answers
21 views

Error with qemu emulator

I was writing a boot sector program(in assembly) and created the binary using nasm. The command od -t x1 -A n boot sect.bin confirmed the bytes the assembler had created. However, when I loaded ...
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0answers
93 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 ...
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0answers
30 views

How to configure VM to mount filesystem share as writable

Here is my situation. I have a host computer running ubuntu server 14.04 It mounts a dev from fstab: /dev/sdb2 /media ext4 rw,nosuid,nodev 0 0 Permissions on the mounted folder are owner=root, ...
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0answers
87 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; ...
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0answers
139 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 ...
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0answers
45 views

Cannot restore a saved machine

I cannot restore a saved machine with both virt-manager and the virtsh restore command: laurent@aspire6930g:/var/lib/libvirt/qemu/save$ sudo virsh restore windows7.save erreur : Impossible de ...
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0answers
404 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 ...
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0answers
14 views

QEMU/KVM Physical Hard Drive

i need help to write a guest system (QEMU/KVM) on a physical disk. Actually i use a IMG File to installing my guest system with this command in my script: -drive ...
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0answers
38 views

Invalid login Ubuntu-Snappy on QEMU

I booted Snappy on QEMU but I tried to login with credentials ubuntu/ubuntu but I always get invalid login message. First, I used Snappy version provided by raspberry, it can login however I can't ...
0
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0answers
28 views

How do I give a VM exclusive access to a Network Interface? pfSense QEMU

Trying to setup a pfSense VM to have exclusive access to 'em2' on my 14.04 machine so that I can use that as a WAN port. I don't want anything other than the pfSense VM to talk on that network ...
0
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0answers
13 views

qemu console text overlapping

I am trying to run the following command in order to run a uefi shell qemu-system-aarch64 -m 1024 -cpu cortex-a15 -M virt -nographic -bios QEMU_EFI.fd -drive if=none,file=hda.img,id=hd0 -device ...
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0answers
76 views

Virtual machine won't boot without media. /dev/sr0: no medium found

Ubunto server 14.04, and I created a VM with the OS of win serv 12. But I can't start the VM without the ISO being in the cd-rom. this is my error: error starting domains: failed to open file ...
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0answers
149 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. > ...
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0answers
53 views

Make libvirt/qemu VNC take an interface name instead of a fixed IP address

I rely on VNC to communicate to my VMs from an external system, so in the XML description file I have something like this: <graphics type='vnc' port='-1' autoport='yes' listen='10.1.1.199' ...
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0answers
53 views

PCI-X passthrough noob?

I'm a total noob at qemu but not linux. I use SeLinux at my work and I won't to make the switch to Ubuntu 14.04 from Windows on my home system. What I need to know is how to setup several PCI-x ...
0
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0answers
58 views

Ubuntu qemu powerdown failed (timeout) - shutdown prompt is shown on desktop

I'm running Ubuntu 14.04 as a VM using qemu. In my hypervisor, when I send the shutdown system to the virtual OS, the command times out and qemu throws an error saying the shutdown operation failed. ...
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0answers
745 views

what is “all-recursive” error in ubuntu and how to fix it?

My goal is to install QEMU in a VM(Ubuntu). Since the source used in apt-get is down, I downloaded and installed the package manually. However, the installation wasn't successful because of the error ...
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0answers
92 views

Compiling custom QEMU build: "make: *** [ui/gtk.o] Error 1

I am trying to compile a custom build of QEMU by Torlus (on github) that adds Raspberry Pi emulation. I do not compile software often, though I have before (not my own). After running the "make" ...
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0answers
69 views

Disadvantages of installing ubuntu trough qemu/kvm

Since I am testing iso's a lot and I want to do so on real hardware, but can't stand the install process and the associated waiting time (I only have one machine) I have written a script that installs ...
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0answers
89 views

Why must write 'br0' in route table to restore host's Internet connection?(with QEMU & Tap)

That's a long story.... But at first, I have to confess that my reputation is less than 15 so I can't give you a '+1'. I need to set up several QEMU instances. One of them is a primary node, which ...
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0answers
259 views

Installing Unity 14.04 on qemu arm

How do I install Ubuntu desktop 14.04 with Unity in qemu-system-arm virtual environment? Which debs do I have to install and in what sequence? v Or is there an executable which would make all the work ...
0
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0answers
2k views

how to convert *.raw to *.vhd with qemu-img command

I created a memory dump out of the userdata partition of my android device for recovery purposes. I need to be able to convert this dump.raw to a dump.vhd so I can be able to mount it up in Windows ...
0
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0answers
495 views

QEMU NFS client cannot mount exported file system

I have setup a NFS server on Ubuntu 14.04 and can successfully mount its exported file system from another "real" machine, but mounting that same file system from a QEMU instances fails with the ...