Questions tagged [qemu]
QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that performs hardware virtualization.
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Is it possible to hardware accelerate spice with an nvidia gpu?
It is possible to use virgl with an nvidia gpu:
<graphics type="egl-headless">
<gl rendernode="/dev/dri/renderD128"/>
</graphics>
<video>
<model type=...
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How do I compare performance of two linux kernel images running on QEMU?
I have built a tracing utility for the Linux Kernel and am testing the same on QEMU. I want to compare the performance of the kernel with and without the tracer. How do I go about doing this?
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QEMU - Bridge networking does not work on Debian Bookworm guest on M1 Pro host
I have a Macbook Pro M1 Pro host running a Ubuntu and Debian guests on UTM. The Debian guest is unable to connect to the internet if I use anything but emulated VLAN as the network setting. This is ...
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Qemu GPU/Display passthrough
I want to passthrough my GPU to the QEMU Guest and it complete control of my monitor (seem as if it was the ONLY OS running)
I have tried on a laptop with only the built-in monitor and the screen just ...
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What can cause network drop when running a VM with virt-manager?
I'm new to virt-manager, qemu and libvirt so I barely know how to use them. I use virt-manager's GUI to make it easier for me to do a transition from VirtualBox (including VBoxManage) to KVM.
By far I ...
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Pass-through of OBS Virtual Camera to QEMU
I'd like to use my OBS virtual camera in a virtual machine.
OBS will not run within a virtual machine unless I perform a GPU-passthrough, which I feel is unnecessary and undesirable in this situation.
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Display bmp image using u-boot on virtual QEMU
I have an issue of displaying a bmp image using u-boot on virtual QEMU. I've built QEMU using buildroot and added the following options in u-boot.fragement file to support splash screen and virtio gpu:...
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How To Set Screen Resolution Of TinyCore On GNS3 Really High?
In GNS3, I added a Firefox to the topology. It was installed on a TineyCore VM on Qemu. When I open the VM, the Max screen resolution that is available is 1024x768 which is very small for my 4K ...
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How to Enable Restrict User Networking in virt-manager QEMU/KVM User Session?
I want to isolate my network between host and guest in QEMU User Session (qemu:///session). block the unnecessary guest to host and guest to guest networking.
I found an article on QEMU wiki talks ...
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Trying to virtualize my Windows 10 install on linux in a dual boot setup
Currently I am dual booting Windows 10 and linux (fedora 39 with KDE), here both are on separate SDDs. I was hoping to use linux for most things and use Windows 10 for games. But here, I am trying to ...
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libvirt can't bind device to runtime due to permission denied
I'm trying to start a new domain via libvirt virsh start my-domain.
But it fails with this permission denied error
error: internal error: Process exited prior to exec: libvirt: error : Failed to bind ...
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Yocto Implementation of QEMU
What exactly is the difference between the Yocto Implementation of QEMU and QEMU in general?
It is clearly stated right at the beginning of the relevant chapter in the Yocto documentation that they ...
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trying to run rasberry pi on qemu says -redir invalid option
I am trying to run Rasberry Pi on qemu but it says -redir invalid option.
Here's my command:
qemu-system-arm -kernel kernel-qemu-4.4.34-jessie -cpu arm1176 -m 256 -M versatilepb -no-reboot -serial ...
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Problem writing custom PCI driver with QEMU
I want to write a Linux driver that allows me to allocate and handle MSI interrupts. At the moment, the nvec = pci_alloc_irq_vectors(pdev, 1, nvec, PCI_IRQ_ALL_TYPES) function is returning -22.
In ...
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running X86 Virtualbox VM on an Apple silicon Mac, UTM not working
My college provides a virtual machine (SliTaz VM, possibly an old Linux distro) to run veriluoc which is a software to design and simulate logic gates. The problem is that VM was designed to run on ...
