All Questions
138
questions
0
votes
1
answer
43
views
Which Linux kernel config options are required to get QEMU virtio to work?
I am currently trying to boot a QEMU VM with a virtio-blk hard disk and I am failing. I cannot seem to get the kernel to recognize the virtio device.
I am on a linux-6.1.97 source tree and ...
- 151
0
votes
1
answer
32
views
can't boot linux distro I made
I need some help, because when I boot my initramfs.img and my bzImage in qemu it boots normally. but then it just goes:
[ 34.354852] dracut: FATAL: iscsiroot requested but kernel/initrd does not ...
0
votes
0
answers
10
views
How do I solve the booting issue with qemu vexpress-a9 zImage?
I'm studying about the boot loader.
I aim to build the Linux kernel and boot the zImage on qemu-system-arm. First, I installed a cross-compiler for vexpress-a9. Using crosstool-ng, I installed arm-...
- 1
0
votes
0
answers
37
views
is it possible to boot into luks encrypted raw disk image with qemu/libvirt/virtualbox?
Done dd of my luks encryted drive, now im courious if its possible to create libvirt/quemu guest and attach that luks encrypted raw image and run it as is? Actually I have Fedora 38 on it with several ...
0
votes
0
answers
28
views
Why I see different cpu-migrations from top and perf stat?
New to system performance analyze.
I am curious on how CPU affinity affect kvm virtual machine.
So I try to bind vm's vcpu to physical cpu to improve vm's performance.
find the pid of the vm(ecs-...
- 1
-1
votes
1
answer
162
views
How do I physically pass a USB device to a QEMU VM
I've been trying to use a Linux QEMU virtual machine for USB driver development. I wanted to use USB passthrough but when I check the USB device in the VM, it shows some kind of generated product id ...
- 1
0
votes
0
answers
35
views
Converting a virtual machine a standalone directory hosted on Ubuntu
A software platform I'm responsible for requires a minimal Ubuntu distribution with software that is partially integrated with the OS and uses TTY terminals. We've typically contained the OS in a ...
0
votes
0
answers
93
views
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 ...
0
votes
0
answers
61
views
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 ...
- 101
0
votes
0
answers
41
views
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 ...
- 19
0
votes
0
answers
122
views
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 ...
0
votes
1
answer
60
views
QEMU ftp connection refused on linux guest but not in windows host (qemu blocking localhost connection??)
I'm using QEMU to run debian linux on my windows machine. I setup a filezilla ftp server running on localhost in my windows. I can connect to the ftp server from my windows cmd
But i can't connect to ...
- 1
1
vote
0
answers
66
views
Busybox/Qemu Networking
I made a simple Linux Distribution using Busybox that i run in Qemu.
How can i get networking to work?
My Goal is somthing like that:
I type in
wget google.com
and it saves the index.html file to the ...
- 11
0
votes
1
answer
167
views
Is it possibel to enable X86 PMU in QEMU emulation mode (without KVM)?
I am trying to run perf in my Linux system, but WSL2 and virtual-box 6.1 do NOT detect the hardware PMU in system.
So, I installed qemu-system-x86_64 in Linux VM, and tried to run QEMU in emulation ...
- 443
2
votes
1
answer
296
views
Differences between qemu-i386 and Linux IA32 emulation
On x86-64 Linux, there are two options for running 32-bit applications: one can be built into the kernel itself via the option CONFIG_IA32_EMULATION (normally on for most kernels), and the other is ...
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