Questions tagged [qemu]
QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that performs hardware virtualization.
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qemu spice: fails to use ipv4 and always fallback to socket
qemu: 8.1.3 (and ui-spice-app, ui-spice-core)
spice 0.15.2-1
spice-protocol 0.14.4-1
I have a strange issue, qemu keeps ignoring my ipv4 parameters and always falls back on unix socket:
If I even try ...
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Starting QEMU as another user
I'm currently trying to intercept/block specific requests from the guest in QEMU.
According to this question, it seems that the easiest way to do so is to run QEMU as a different user, so that I can ...
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No such file or directory when mounting a .vdi VM
i have a Virtual Box VM with Fedora installed and it's filesystem went to read-only mode. I have now to recover some files from there so in the past i mounted the image in the host Ubuntu machine as ...
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Loupedeck USB device 'libvirtd' pass to Win with UDEV rule
I have this console that I'm trying to pass as an USB to the Win11 running on QEMU.
It is unhappy being 'redirected' as an USB device, so I wrote an UDEV rule for it, b/c without it, of course I didn'...
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Configure SELinux to allow qemu/virt-manager and samba to both read/write to the same folder?
Problem summary
I have a local folder that is shared under samba but if I try to allow qemu (via user session) to access it via virtio-9p, I get an error (SELinux avc). Works fine with SELinux ...
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KVM Qemu + Libvirt -> Debian Host+Guest => OpenGL / 3D Acceleration -> No Effect
Hi I use debian12 with KVM+Qemu and libvirt ( VirtManager as a GUI ) to create my virtual Machines.
I want to have several Virtual machines that have "some" GPU Acceleration
NO Direct GPU ...
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2nd GPU exclusively for VMs (GTX 1070 with GTX 970)
a few weeks ago I upgraded my almost 10 year old PC. I replaced my GTX 970 with a GTX 1070. The thing is, I feel bad when replacing working hardware without real cause. The new GPU actually made ...
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I am trying to emulate a board which has a OLED display, but can't see anything. Can you tell me if there is something important I am not considering? [closed]
I am just a newbie that is trying to learn. I can't see anything in the OLED display (ssd0303).
I am just using this demo: https://www.freertos.org/portlm3s811keil.html
as you can see it says that:
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how to use non-stop mode of gdb to debug linux kernel using qemu
I am using qemu and gdb to debug the Linux kernel. I wanted to stop one thread while letting other threads continue running. I found that there is a command called non-stop in gdb which can help me ...
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Running VMs and virsh command from qemu build from source
I am trying to build QEMU from source using the instructions given here. I am trying to implement a research paper which adds features to the migration mechanism of QEMU and so I need a custom build(...
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Does it make sense to run mcelog inside of a kvm vm?
I would imagine it would catch qemu / kvm / libvirt bugs, and probably nothing related to the actual hardware. Running mcelog on the host of course, but is it worth it/helpful to run it inside a kvm ...
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Is there a way to determine what process is rebooting a server?
I have a kvm vm that seems to be rebooting randomly. I'm not seeing anything in syslog about reboot, shutdown, error, core dump, panic, etc. No errors in libvirtd log on the host either, no errors in ...
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Debian based guests sometimes boot into UEFI shell qemu
My host runs Debian 12 and is used as a hypervisor using QEMU and libvirt. I have several Debian based server VMs and they almost always boot into UEFI shell instead of normally. I still can boot by ...
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How to make a roofs image for qemu using febootstrap
I tried to use febootstrap to make a roofs image for qemu-kvm.
I frist generated a roofs with command
febootstrap -i coreutils -i vim centos79 centos_7.9 https://mirrors.163.com/centos/7/os/x86_64/
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How to start docker container X86 on Rasberry PI 4 with arm64 architecture?
I have Raspberry PI 4 with 8 GB memory.
And I have x86 container. It is working on x86/amd64 servers correctly.
I would like to port it to raspberry. It has ubuntu 22 released from Raspberry team.
I ...
