QEMU is a cross-platform processor emulator.

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GTX1080 gpu passthrough Qemu

Never had a problem passing through a Titan with QEMU, I've replaced it with a GTX1080 and cant seem to get it to display anything. vfio is doing it's thing: 03:00.0 VGA compatible controller [0300]: ...
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22 views

How can I attach an USB 3.0 to a VM?

I have a problem with the usb3 attachment procedure on a VM created on Openstack (basic version installed using devstack scripting). By contrast, usb2 works fine. The basic Openstack version that I ...
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41 views

Installing Windows 10 on Ubuntu using QEMU/KVM [closed]

I am new to QEMU and KVM. I want to install Windows 10 using QEMU/KVM command-line utilities. I am running a Ubuntu GNOME 64-bit machine.
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53 views

qemu-img convert hangs on Ubuntu Server 16.04 with 100% cpu

When i try to convert raw image to qcow2 format with command: qemu-img convert -O qcow2 base-image.img base-image.qcow2 i have several problems: qemu-img process never stops by itself and i can ...
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46 views

Running Ubuntu 16.04 (ARM) in Qemu

My goal is to run Ubuntu 16.04 (ARM) in Qemu (on Ubuntu 16.04 x64 host). I tried to follow this -old- tutorial without success: Home directory not accessible: Permission denied pulseaudio: ...
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Ubuntu Server won't work in QEMU: KERNEL PANIC

I tried to install ubuntu-16.04-server-amd64.iso in QEMU as a virtual machine. This was my command to generate the image file: qemu-img create -f qcow2 confImage 100G After creating the image file ...
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35 views

QEMU SDL_Init failed: No available video device

Total Linux NOOB looking for advice: I'm trying to run a 64bit application on a 32bit PC using QEMU user mode. I have compiled qemu from source, all good, but when I want to start the application (...
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15 views

Error on librados when trying to install qemu-kvm [duplicate]

I am trying to install kvm on Kubuntu 16.04 64-bit. I am following this documentation. When I try to install qemu-kvm with the following command given in the documentation: sudo apt-get install qemu-...
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29 views

Passing a physical USB port to QEMU

I currently use a shell script to start my KVM accelerated QEMU vm. My current QEMU line is this: QEMU_AUDIO_DRV=pa qemu-system-x86_64 -enable-kvm -nodefaults \ -machine pc,accel=kvm \ -bios /usr/...
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1answer
67 views

Warnings and errors when updating Aptitude with multiple architectures enabled

I have an Odroid XU3 with Ubuntu installed on it. I recently installed qemu-user-static for the purpose of running i386 binaries. Part of this process was adding the URLs of a repository I can ...
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16 views

KVM quest lost network connectivity

I have problem: lost network conectivity in guest (2-3 days after start). Host: Linux host 4.2.0-36-generic #42~14.04.1-Ubuntu SMP Fri May 13 17:27:22 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux Guest: ...
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1answer
160 views

Ubuntu 14.04 GPU passthrough problem with IOMMU

I have a problem with my GPU passthrough on Ubuntu 14.04, i checked my hard ware and my CPU is i7-2600 which supports VT-x in KVM and i try to passthrough my GTX 960. I did everything exactly as in ...
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21 views

How does passthrough mode work in 9p (libvirt/QEMU)?

9p docs at QEMU wiki say that in passthrough mode files on host filesystem are created with guest access credentials. How is that possible? Suppose my guest has user vagrant:vagrant and host doesn't ...
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56 views

Ubuntu 14 KVM host, Ubuntu 16 guest sound battle

I am attempting to get audio fixed on my machine. I am not sure exactly what caused the issue but I now have a battle. I can't get the guest and host sound to work at the same time. The host system ...
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1answer
74 views

9p (libvirt/QEMU) share modes

Can anybody explain what share modes - default, mapped, passthough, squashed - mean in libvirt/QEMU configuration? I've got this share in passthrough mode. I see that inside VM it is owned by ...
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1answer
65 views

How to fully remove QEMU?

I have QEMU installed but as I don't really use it and it's recently had lots of security vulnerabilities discovered in it so I would like to fully remove it. I installed it with sudo apt-get install ...
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1answer
95 views

QEMU GPU passthrough on Ubuntu 14.04 LTS (Trusty Tahr)

I am following a tutorial on how to run a VM that can use my GPU, and I have run into a problem. Here are the tutorials: GPU pass through guide for Ubuntu Multiheaded NVIDIA Gaming using Ubuntu 14....
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66 views

how do I install qemu on my bq Aquaris M10?

I am trying to install scrivener (windows, or Linux) on my bq Aquaris m10 tablet. The problem is that scrivener is only written for amd/x86 hardware, and my tablet is arm. The good news is that this ...
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44 views

nVidia 8800 GTX - GPU Passtrough

Is it possible to get nVidia 8800GTX to QEMU VM? I have CPU and Motherboard with VT-d support and two GPU. One (main) is some ASPEED GPU, other 8800GTX. I look through possible guides with no luck. ...
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1answer
33 views

Setting up hard drive in QEMU+KVM?

I'm running Ubuntu 16.04 LTS and I am using QEMU+KVM+OVMF for a Windows VM. Is there a way to mount physical hard drives to the VM only without using a container, as well as keep the data that is ...
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33 views

virt-manager: “Storage parameter error: directory is not managed on the remote host” when importing an existing image from a mounted drive

A server I manage remotely has a KVM/QEMU image stored on a non-os, mounted drive /mnt/drive. When I use virt-manager to import the disk image, I get the following error: Storage parameter error. ...
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1answer
49 views

Mac boots into Ubuntu on HDD with rEFInd installed and USB selected

My Setup: Mac mini with rEFInd installed; Dual boot System: Ubuntu 15.10 and Mac OS X El Capitan; When I try to boot from an USB-Stick (live disk), which has a Linux distro on it - currently Arch ...
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1answer
460 views

How to install “qemu-img” and use it to convert a “qcow2” image to a Virtual Box one?

I have been asked to do some debugging work with gnome-continuous, but as this only comes in qcow2 format for qemu and I do not want to install qemu at this time so this may be slightly problematic, ...
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22 views

Qemu Crash: Assertion `s->csw.sig == cpu_to_le32(0x53425355)'

I am running qemu on centos6.2 host OS. I am trying to launch BSD guest os. While launching this,I am attaching an extra USB disk to qemu. Recently, I have started observing qemu crash due to an ...
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104 views

GLib-WARNING **: /build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmem.c:482: custom memory allocation vtable not supported

I am using Ubuntu version 15.10 and I have installed qemu version 2.3.0 on it. When I try to run the following command: qemu-system-x86_64 -enable-kvm It always gives the Glib error and doesn't ...
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31 views

Cannot find libraries which are already installed

I'm making the QEMU emulator and the the system can't find some library which is already installed. /usr/bin/ld: cannot find -ludev So i tried to find the libraries test@ubuntu:~/codes$ ldconfig -...
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219 views

How do I install Remix OS in GNOME Boxes?

Remix OS is an interesting desktopification of Android. It can run off a read-write-able USB stick but it doesn’t have an installer. I can boot it up in GNOME Boxes just fine, but as I’m just running ...
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39 views

How do I create a bridged network for QEMU?

I bought a new server 1 day ago and this is my first time with Qemu. Can anyone tell me how to create a bridged network for Qemu? I bought 6 IPs on my company. How can I use those for my VPSs? ...
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167 views

Error in installing QEMU

I downloaded qemu from this link http://wiki.qemu.org/Download. Then i did tar xvjf qemu-2.5.0.tar.bz2 cd qemu-2.5.0 ./configure then getting the following :~/qemu-2.5.0$ ./configure Disabling ...
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102 views

Running UEFI in QEMU machine q35

I wrote a UEFI driver and I'm trying to run it in QEMU (ovmf...). It works fine but when I'm trying to access registers with address >100 hex (access any PCIe device) it fails. I'm trying to run QEMU ...
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1answer
305 views

How can I get a mouse cursor in qemu?

I am using 14.04 on an AMD64 compatible system. Inside this system I am trying to run a virtual machine also with 14.04. I start qemu with this command: qemu-system-x86_64 -cdrom ubuntu-14.04.3-...
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2answers
427 views

Gracefully shut down QEMU/KVM on host shutdown

I start a QEMU/KVM Ubuntu 15.10 virtual machine on boot and let it run in the background (as webserver). What happens now if I shut down the host (also 15.10)? Will it kill the VM and result in a ...
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51 views

PCI passthrough not working after VM reboot

I've been spending the last few days trying to get a Windows 10 VM with UEFI & PCI passthrough going. I'm running a rather fresh (2 weeks old) install of Ubuntu 15.10. The GPU I'm passing through ...
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77 views

Higher than 1440p in Gnome Boxes with Spice?

Is it possible to increase the maximum resolution in Gnome Boxes(QEMU KVM) to 4K? Currently it is limited to 1440p. I'm using the Spice drivers. Host: Ubuntu 15.10 w/ GNOME Guest: Windows Server ...
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27 views

VM Manager is getting error during installation Win7

I would like to install Windows 7 through Virtual Machine Manager, I followed this tutorial for Ubuntu --> http://www.howtogeek.com/117635/how-to-install-kvm-and-create-virtual-machines-on-ubuntu/ ...
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1answer
1k views

libvirt: Configure guest to share host audio

For the past days I've been trying to get a x64 Windows 8.1 VM's audio mixed with the host audio with mixed success. The solution which kind of works for me right now is using Spice for audio, and ...
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2answers
856 views

Blacklist a Nvidia gpu for qemu/kvm passthrough

I am trying to run Windows in a virtual machine while giving the VM a direct passthrough to the GPU for better performance. I have an integrated intel GPU (I will use this one for the host) and a ...
1
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1answer
183 views

QEMU VM reboots host upon running

I am trying to run virt-install on Ubuntu Server 14.04.3 in order to install a QEMU VM from a qcow2 image. Running virt-install, I get no errors. $ virt-install ... starting install... ... virsh --...
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25 views

VGA Passtrough with same IDs

i try to bind my R9 290 to the vfio-pci driver for VGA Passtrough. My System have two GPUs R9 290 and R9 390. Now i have the problem, that both GPUs have the same Vender and Device ID. So I cant bind ...
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179 views

Problem on multiple network interfaces on a QEMU VM

I'm trying to create a VM with 2 interfaces. I used a linux bridge and Tun/Tap devices to do that. This is my setups: | HOST | Virtual Machine outside ...
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205 views

Ubuntu 15.10 Blinking cursor problem after qemu installation

I have been using 64-bit Ubuntu 15.10 along with Windows 10 since it was released. 2 days ago I wanted to install qemu. At the beginning it needed an external library (glib 2.22). I downloaded glib 2....
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72 views

Delete nbd devices used to mount kvm image

how can i delete the /dev/nbd* device blocks? I need to delete the devices and then recreate them with modprobe nbd max_part=8 because (I don't know why) my script fail if the device was used.. ...
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33 views

Error in [make] command during Qebek installation

I was installing qebek in my laptop x64 architecture (Ubuntu 14.04). During installation I got an error on this command: cd qebek chmod +x configure texi2pod.pl ./configure make Error : collect2: ...
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18 views

Convert Gnome Disks image to Qemu/KVM

I made a backup of my SSD using Gnome disks and I want to run it in a virtual machine. How can I run this using Qemu/KVM? If I have to convert the image before hand how do I do that?
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Snappy on QEMU KVM fails to boot

Trying to load snappy in qemu kvm on my Celeron 1307U running 32-bit Ubuntu 14.04 desktop OS, I run: $ kvm-ok INFO: /dev/kvm exists KVM acceleration can be used $ wget http://releases.ubuntu.com/15....
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81 views

Pass through GPU driver segmentation fault

An AMD R7 250 GPU has been passed through to a QEMU Ubuntu virtual machine. The display is output via the physical port of the GPU. It looks fine. But the fglrx driver seems to be not working properly....
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1answer
112 views

Where do I log bugs and ask for help for libguestfs on ubuntu?

I'd like t o know where to get help using libguestfs on ubuntu. The libguestfs project page is hosted by redhat. I'm trying to use guestfish on a qemu VM. I can initiate the CLI console but ...
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64 views

GPU passthrough freezes Ubuntu bootup

I passed through an AMD GPU to a ubuntu guest OS using qemu. The guest OS displays directly via the AMD card and an independent monitor. The guest OS uses Xorg driver for the GPU. But, after I ...
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310 views

Cant unbind or blacklist driver

Hello I want to unbind or blacklist my graphicscard driver. Currently it uses the noveau driver but I cant blacklist it when I type blacklist noveau in /etc/modprobe.d/blacklist.conf and then reboot, ...
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22 views

How do I manage partitions on an Ubuntu VM of an Ubuntu host?

I am running virt-manager on Ubuntu. I have a qcow2 file that I use to create VMs. The VMs work. When I log into the VM, I see no evidence the hard disk has more than 16 GB. When I log into the VM,...