Quantcast
Browsing all 248 articles
Browse latest View live

Which networking syscalls cause VM Exits to Hypervisor in Intel VMX?

I am having trouble understanding which (if any) system calls cause a VM Exit to VMX root-mode under Intel VMX. I am specifically interested in network-related system calls (i.e. socket, accept, send,...

View Article


Nutanix AHV restore VM via API v3

Good afternoon everyone.During the integration with Nutanix AHV Prism, I faced the following case -I need to perform the operation of restoring VM to the snapshot state, my questions are:how can I do...

View Article


Hyper-V networking not working on Azure VM

Recently, I created a Server 2019 VM on Microsoft Azure with Nested Virtualization enabled.I was able to install Hyper-V and create a virtual machine.However, I connect to the machine and internet...

View Article

TLB Cache Invalidation when EPT Violation occurs?

I'm currently developing a hypervisor feature.I'm confused about what to do with TLB Invalidation when EPT Violation occursI'm developing on Linux, using an i7 CPU. My implementation:VPID and EPT...

View Article

Can I disable Hyper-V feature if I have Docker installed

I have installed Docker on Windows10 to work with single-node Hadoop cluster and enabled Hyper-V feature for it. Now I don't need it, but I don't want to drop docker containers. Can I disable Hyper-V...

View Article


How to hide VM by modifying the hypervisor bit in Hyper-V? [closed]

I've followed these tutorials (level1techs.com, Craft Computing) to set up a headless Parsec gaming VM powered by GPU-P. It was quite successful, but there was this Virtual machine: Yes label showing...

View Article

Implementing a custom hypercall in kvm

I am very new to Virtualization and of late I have been trying to familiarize myself with the way VMMs operate and how hypercalls are made.Talking about which I plan to implement a new hypercall in KVM...

View Article

update kernel 5.15,boot stopped on "Timed out waiting for device...

A new RockyLinux 8.5 VM is installed on Ctrix Hypervisor 8.2 host.There is no problem with the 4.18 kernel. After upgrading to the latest 5.15 kernel, the boot failsdracut Warning: /dev/mapper/rl-root...

View Article


How to start a QEMU/NVMM connection with virt-manager on the DragonFlyBSD

I'm running DragonFlyBSD 6.1 and I would like to know if I can connect to libvirt using qemu + nvmm hypervisor,since I can't use qemu+kvm. Infact virt-manager tells "unable to connect to libvirt...

View Article


Image may be NSFW.
Clik here to view.

Having some trouble with android studio probably has a simple answer

I'm trying to install android studio, but while I was installing it I got this exception:My question is what is the Android Emulator Hypervisor? what does it do or enable me to do? I tried looking it...

View Article

Is there a way to run metal shaders on CPU threads?

I am doing a hobby project of implementing my own Metal.framework implementation and a software renderer to do the actual rendering once the MTLCommandBuffer is committed. I am trying to come up with a...

View Article

How does process switch take place in full virtualized VM?

I know that when a program inside a Virtual Machine full virtualized tries to execute a privileged instruction,since it is running in user mode, the "trap and emulate" occurs and so the Hypervisor...

View Article

Can guest OS access hardware feature that is not supported by host OS?

Let's suppose a system with following configuration for example:Hardware: Has USB 4.0 controller and portHost OS: Windows 10 (Doesn't support USB 4.0)Guest OS: Linux with kernel version 5.11 (Supports...

View Article


centoschef64 gvagrant box ssh connection issues [closed]

I'm trying to get a virtual box setup with git so i can clone a repo and test communication between my local and the VM.I tried centoschef64 but couldn't get past the ssl connection errors on virtually...

View Article

How to speed up WSL2 internet download speed [closed]

I tried to use Windows Subsystem For Linux(WSL) 2 to use ubuntu 20.04 on Windows 10 and 11. But it has too bad internet speed in WSL2 ubuntu system. I had tried ubuntu on WSL1 as well, it also has too...

View Article


Image may be NSFW.
Clik here to view.

Hypervisor detected. Unable to uninstall Hyper-V on Windows 11 (Windows...

I have purchased a new Microsoft Windows Surface Pro 5+. Windows was pre-installed.I noticed that a 3rd party tool output a warning that my license it not valid for terminals. The developers told me...

View Article

TrustZone versus Hypervisor

I am just reading this document from ARM on TrustZone and some things are unclear to me.The fact that a Hypervisor offers a special CPU mode and that for the TrustZone, the processor comes with an...

View Article


Can not start android emulator - Hyper V detected but Hypervisor platform is...

I am running into an issue where I can't start the xamarin android emulator, it says:Device error: WARNING | unexpected '-prop' value ('monodroid.avdname=pie_9_0_-_api_28'), only 'qemu.' properties are...

View Article

How are hypervisor algorithms generally laid out?

Im trying to design a basic algorithm that manages host memory space for guest Operating systems. The management of the main memory would include page allocation/deallocation and page replacement...

View Article

How to configure IOMMU protection for my hypervisor?

I'm developing my own bare-metal hypervisor over intel vt-x technology.My goal is to make it inaccessible to the OS I'm running over my hypervisor in any way, therefore I configured an EPT table to...

View Article
Browsing all 248 articles
Browse latest View live