Qemu is a cross-platform processor Emulator.

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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 ...
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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 ...
0
votes
1answer
105 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 ...
1
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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 ...
11
votes
4answers
19k views

How do I mount a qcow2 disk image?

I have a QEMU virtual machine that uses a qcow2 disk image. How can I mount its filesystem without powering on the virtual machine?
11
votes
4answers
24k views

How to resize virtual machine disk?

Is there anyway to resize a virtual machine's disk? Say increasing the disk size from 32GB to 64GB. I am running KVM/Qemu on Ubuntu server 11.10 64bit. Thanks.
3
votes
1answer
2k views

How to correctly install and use QEMU-KVM on Ubuntu 14.04?

In general, I prefer to install Linux software packages (not already installed by the default Ubuntu installer) via the distro-specific mechanism provided by that distro. In my case, I am using Ubuntu ...
8
votes
2answers
3k views

Is my VM using KVM or QEMU?

After installing Ubuntu 11.10 and copying my KVM images which were created on Ubuntu 11.04 over to the new system, I notice that Virt-manager says it's using QEMU and not KVM. Also when running virsh ...
5
votes
4answers
12k views

How do I convert a multiple-part VMDK disk image to qcow2?

I have a VMDK disk image that exists as multiple files: 2.0G guest-s001.vmdk 1.8G guest-s003.vmdk 128K guest-s005.vmdk 2.0G guest-s002.vmdk 1.7G guest-s004.vmdk 4.0K guest.vmdk When running ...
1
vote
1answer
37 views

How to compile qemu with usb suport

I have recently downloaded qemu and compiled qemu 2.3.0. I can compile and install just fine, but I cant figure out how to get USB support. I have installed libusb 1.0.9 but when I run configure for ...
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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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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 ...
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0answers
29 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 ...
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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
41 views

Apply a kernel patch [duplicate]

I wantet to ask how to apply the following two patches. https://lkml.org/lkml/2014/5/9/517 https://lkml.org/lkml/2013/5/30/513 I don't see any download for the patch files so how do I apply these two ...
1
vote
1answer
261 views

Mount qcow2 image using qemu-nbd within a container

I'm trying to get an OpenStack Nova compute node running within a container to boot a server in a nested container. Everything works fine until I ask Nova in the controller to boot the server. During ...
1
vote
1answer
288 views

How to install Ubuntu Trusty 14.04 in a qemu virtual machine

I'm running Debian Jessie amd64 with qemu version 1:2.1+dfsg-11 and want to install Ubuntu 14.04 for amd64 in a qemu virtual machine. But the installation process doesn't start because of a kernel ...
1
vote
1answer
93 views

How to export qcow2 KVM image?

I have set up a new QEMU virtual machine through KVM on a Ubuntu 14.10 linux installation. Everything is working smoothly. The problem is when I try to export the qcow2 vm image to another PC, to ...
1
vote
1answer
3k views

Error trying to compile qemu from source

I am trying to compile qemu from source to get my hands dirty with its development. I cloned the package from the repository. I extracted the tarball and started with the configuration using ...
19
votes
3answers
13k views

How can I ctrl-alt-f# to get to a TTY in a QEMU session?

I'm doing an install via testdrive using QEMU/KVM and I would like to check the log files during the installation, however I can't figure out a way to send Ctrl-Alt-F1 and other F keys to the ...
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0answers
119 views

QEMU Window size independent of resolution [closed]

The resolution used in the virtual machine seems to be independent of the size of the QEMU window. So when I change the QEMU window size I get scaled and distorted window content. Programs like ...
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0answers
14 views

OpenVZ - Ubuntu 14 trying to install Windows [duplicate]

I'm following these steps http://freevps.us/thread-2789.html In second step, when I run this command: sudo apt-get install libICE.so.6 libImlib.so.1 libORBit-2.so.0 libSM.so.6 libX11.so.6 ...
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0answers
202 views

Raspberry Pi / ARM Emulation [closed]

I'd like to be able to boot an image of Raspbian Wheezy, for example. I've seen people using QEMU but they have to download Linux source and compile it or accept a pre-compiled one from an untrusted ...
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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
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 ...
1
vote
2answers
653 views

Why qemu-system-x86 takes 100% of my CPU?

I've changed my old laptop with a new one but I don't understand why using on both virt-manager the qemu-system-x86 on new one takes 100% of CPU when run a vm, while on old one not. The command: ...
0
votes
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 ...
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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. > ...
2
votes
1answer
466 views

QEMU Connect physical disk [closed]

I made a windows virtual machine on my ubuntu pc using the following script (found online). #!/bin/bash configfile=/etc/vfio-pci1.cfg vfiobind() { dev="$1" vendor=$(cat ...
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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, ...
1
vote
1answer
201 views

qemu: “not a bootable disk”

So I followed exactly the instructions on how to run QEMU-KVM with VMware's disk images v6 directly: kvm -drive file=zimbra-000001.vmdk,boot=on -net nic,macaddr=00:0c:29:c3:93:b9 -net tap -uuid ...
3
votes
1answer
714 views

Sharing folder with VM through libvirt, 9p, permission denied

An Ubuntu Server 14.04 Host hosts an Ubuntu Server 14.04 guest via libvirt/qemu-kvm. The system runs fine, but - as guest - I have issues writing to a shared folder (<filesystem>) that drive me ...
0
votes
1answer
969 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 ...
19
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4answers
64k views

How do I install qemu?

How do I install the qemu command? I type qemu and press tab and I get a list of several binaries installed. qemu-alpha qemu-arm ... qemu-x86_64 but no qemu. I type man qemu and it returns the ...
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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; ...
0
votes
1answer
88 views

Where is the list of supported device emulations in KVM?

I am configuring a guest VM under libvirt using virsh edit. The source of the kernel running in the VM is an embedded security device where I have no control over what drivers it comes with. In ...
0
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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
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 ...
7
votes
1answer
13k views

virt-manager can't connect to libvirt

I'm running Ubuntu 12.04.2 32 bits. The error doesn't show up if I start gksudo virt-manager. libvirt-bin is installed. I don't know how to check for the daemon. I am a member of libvirtd. ...
2
votes
1answer
9k views

“ERROR: zlib check failed” while compiling Qemu

I recently formatted my PC and reinstalled Ubuntu 13.04 via Wubi in Windows. And after updates I'm getting this error: basel@ubuntu:~/Desktop/qemu-1.6-test$ ./configure ...
0
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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
votes
2answers
106 views

Makefile: how to change a specific rule

this is my first question here, I hope to do everything in the right way. I'm a quite new Ubuntu user and if possible I need some help with a specific Makefile. I downloaded QEMU 2.1.0 and I'm ...
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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. ...
1
vote
1answer
5k views

virt-manager USB 2.0 problem

I have an Ubuntu 12.04 64bit with QEMU/KVM & virt-manager 0.9.4 (latest compiled from source) installed my problem is that all guest windows machines does not recognize usb2.0 ports: windows xp ...
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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
746 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 ...
0
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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 ...
0
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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
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 ...