2,341 questions
Advice
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votes
0
replies
25
views
Early Initialization of GPU, Weston, and Hypervisor Drivers with Deferred Systemd Services & modules
how to configure systemd to load essential graphics and virtualization modules early in the boot process, while deferring non-critical services & modules for manual activation later.
called gpu ...
-1
votes
1
answer
73
views
Virtualization using VirtualizingStackPanel inside custom ControlTemplates
I'm tasked with implementing a custom DataGrid-like control in one of my projects.
This is due to many specific features it needs to have implemented, and also the large amounts of data that have to ...
0
votes
1
answer
81
views
virtio: USE VIRTIO_F_EVENT_IDX feature may loss notify
I want to check if host notifications might be lost in the following scenarios.
The hypothesis is shown in the figure below.
However, I am not sure whether the commit actions of the last two CPUs ...
1
vote
1
answer
118
views
How to trust an SSH connection? Is it a more secure tunneling method?
I am wondering about the security of tunneling services such as ngrok or pinggy.io (which I believe works via ngrok, but doesn't require downloading, just an SSH connection). I don't know and haven't ...
5
votes
1
answer
141
views
KVM_EXIT_MMIO not triggered
I'm trying to build a minimal kvm based hypervisor and I want to track reads and writes in the hosts userspace.
However I seem not to be able to get any MMIO events or detect any changes in my memory ...
0
votes
0
answers
40
views
If CLGI can block virtual interrupt or not?
amd sdm implies CLGI can block vINTR
Table 15-10 Effect of the GIF on Interrupt Handling
15.21.4 Injecting Virtual (INTR) Interrupts
The processor takes a virtual INTR interrupt if:
V_IRQ and ...
1
vote
0
answers
46
views
x86 LDTR on 64-bit OSes: is it safe to assume that it is always zero?
I am working on a kernel virtualization driver for x86 CPUs. The driver uses Intel VT-x for virtualization of some guest code.
I stumbled upon a piece of driver code that saves and restores VMM's ...
0
votes
1
answer
251
views
What is the easiest way to connect to Android Emulator (host) from inside a UTM macOS VM?
I need to develop for Android inside a VM on macOS, so I created a macOS VM on my mac m3, using UTM.
Since I cannot run the Android Emulator inside the VM, I ran it outside, now it's just a matter of ...
0
votes
1
answer
52
views
How to ensure scroll event is fired at a decent frequency?
I'm implementing a pivot table which has 3 parts, pivot body, row headers and column headers.
I've implemented scroll sync between them. That is, if I scroll pivot body, row headers and column ...
0
votes
0
answers
119
views
How to implement a virtualized tree/hierachical structure in React?
I want to implement a hierachical structure like this.
I tried using Masonry example, but I think it requires a large overscan which is not scalable. Because if I sequentially put the nodes in ...
1
vote
1
answer
249
views
Intel VT-x: How do I trigger posted interrupt processing on the same core?
I'm struggling to fully understand the posted interrupt processing feature in Intel VT-x. Ignoring VT-d for the moment, as a first baby step I am just trying to get CPU based posted interrupt delivery ...
0
votes
0
answers
465
views
How to implement a virtualized tree structure using tanstack/virtual
I'm implementing a pivot table. I want to use react-virtual to implement the virtualization of the pivot row/column headers. May I know how to achieve that? I wonder if I should use nested ...
-1
votes
1
answer
116
views
What does "trap entry point" means?
From Chapter 2 (The Popek/Goldberg Theorem) in Hardware and Software Support for Virtualization - Synthesis Lectures on Computer Architecture,
... consider what an operating system for such an ...
0
votes
1
answer
129
views
WPF DataGrid Virtualization – Strange error after scrolling
I'm facing a problem and can't get any further.
I hope you can help me.
Short explanation:
I have a DataGrid (VirtualizingPanel.IsVirtualizing="true") and a search bar. When I type something ...
0
votes
0
answers
15
views
how do I go through my vagrant up? It says timed out while waiting for machine to boot, that Vagrant was unable to communicate with the guest machine
My new issue now is that when I do vagrant up it takes time to load and when it does it brings things like "timed out while waiting for the machine to boot. This means that' vagrant was unable to ...
0
votes
0
answers
117
views
how to create multiple instances for web server
I'm having a problem, I have a simple website, running on localhost, the requirement is to use virtualization, which means I will have to install a webserver (I use ASP.NET Core so I will probably ...
0
votes
1
answer
863
views
MudDataGrid Virtualized Default Sort Order
Is it possible to Sort the MudDataGrid when it Loads in Virtualization mode? Graphically the sort order Arrow is showing but it's not sorting.
Thank you
<MudDataGrid @ref="refMudDataGrid&...
0
votes
0
answers
40
views
How to reduce the CPU consumption's in react bar chart for 34k points?
I have a bar chart using the Recharts library, but I'm struggling to handle 34,000 data points on the x and y axes. My system hangs and I'm unable to render the chart properly.
can you provide the ...
0
votes
0
answers
102
views
.NET MAUI Blazor Virtualize Component - UI Instability with Shrinking and Jumping Issues
I am working on a .NET MAUI Blazor app and using the Virtualize component to display a grid and list view. I am encountering issues where the UI becomes unstable, shrinking, and jumping, especially ...
0
votes
1
answer
92
views
Docker container process not visible on host
I have an active docker container (mongo running on WSL2, defualt Ubuntu). I know it is possible to identify container process on host, but ps -aux nor ps -A doesn't really work.
While I can see my ...
0
votes
1
answer
184
views
How can I add additional tagged vlans when using virt-install to create a guest?
I'm unable to figure out the XPath syntax to add a second tagged vlan when using virt-install to provision a guest:
srv01:~$ sudo virt-install\
--name=ds-controller01.iwc.ig24\
--disk source.dev=/...
0
votes
1
answer
142
views
WPF - Virtualizing Tree View - SelectedItem selection desappearing after item is selected through a Custom Search Box
I have a custom tree view user control that is using a Virtualizing Stack Panel since i have to display ~8000 items. The tree view also lives in a groupbox with custom SearchBox user control that ...
4
votes
0
answers
210
views
loadMoreItems not triggering in react-window-infinite-loader with FixedSizeGrid
I have used react-window react-window package to implement virtualization and I am using <FixedSizeGrid> component for that along with <InfiniteLoader> from react-window-infinite-loader ...
-1
votes
1
answer
151
views
Can not access app running in a VM inside OpenShift
I have created an OpenShift 4.14 Single Node Cluster. Inside that I deployed a VM using the web console. Inside that VM I deployed NGINX at port 80.
I can curl into the IP of the VM from inside the ...
-1
votes
1
answer
245
views
Passing Intel-PT to guest using QEMU/KVM doesn't work
I am trying to use Intel-PT feature inside a guest ubuntu using QEMU/KVM, but although I have this feature in the host, KVM is not passing this feature to the guest.
Also when I try to load kvm_intel ...
1
vote
0
answers
144
views
AWS EC2 export-image Task Fails with Error "Unsupported architecture 183 for 6.2.0-1017-aws"
I am attempting to export an AMI to a VMDK file using the AWS CLI export-image command. The command I'm using is as follows:
aws ec2 export-image --image-id <ami-id> --disk-image-format VMDK --...
0
votes
1
answer
190
views
what happens when an external interrupt is received by the host in a virtual setting
I'm trying to understand what happens in a virtualization setting when the host receives an external interrupt. For example if CPU-1 is being utilized by vCPU-0 of a VM and there is an external ...
2
votes
0
answers
100
views
problem in libvirt service with g_hash_table_unref?
libvirt service always show this error, when i take status of libvirt service.
g_hash_table_unref: assertion 'hash_table != NULL' failed
the whole status of libvirt service:
**
libvirtd.service ...
6
votes
2
answers
4k
views
podman start stuck on "Waiting for VM..."
on mac m2 max, I installed podman using brew intsall podman, then ran podman machine init --disk-size 150, and then podman start. It's stuck on "Waiting for VM ...".
I see this error from ...
2
votes
1
answer
10k
views
USB not detecting in UTM Virtual Machine
Hi I have a windows 11 in UTM, and I'm trying to connect a USB to my host (Macbook) it's not detecting in the File explorer of the Widows 11 Virtual Machine (running under UTM)
What should I be doing ...
0
votes
0
answers
82
views
Electron app cloud with Virtualization/server
I have a basic electron app that I created, it is used to open windows and do google oauth2(see code below) and returns a refresh token. Is there a way I can have it run in the browser using some sort ...
1
vote
0
answers
573
views
Could not connect to host (http://localhost:18083/)
Ubuntu 22.04
VBox ver: 7.0.12r159484
phpvirtualbox ver: latest
I get this error when trying to login on virtualbox using phpvirtualbox GUI.
Any help is highly appreciated, I'm still a junior. Below ...
1
vote
2
answers
483
views
Intel Simics: VMP Kernel Installation fails (linux 22.04)
When I try to build/install the VMP kernel I receive the following error:
Setting up your system for Simics VMP
================================================
This step will be performed with root ...
1
vote
1
answer
405
views
How to measure the load generated by a web application on the user environment?
I have an old legacy service for benchmarking a load produced by html5-pages to the users hardware. Here is a high-level idea: we want to be sure that some specific web-page will not freeze users ...
1
vote
0
answers
122
views
In the full virtualization, how to do binary translation for "popf" instruction in x86?
I'm studying about virtualization.(I'm a undergraduated student)
In CPU Full virtualization, as far as I know, x86 was difficult to be virtualized because it has about 17 sensitive but unprivileged ...
0
votes
0
answers
239
views
Using react-table <VariableSizeList> with react-window could not achieve both at same time 1.Virtulization 2.Sticky columns on scroll
I am using for achieving virtualization. But not able to apply the property of sticky to the same.
handleScroll(e, TableRef)}
className="variable-size"
>
{RenderRowVirtualized}
...
0
votes
1
answer
321
views
Full Virtualization vs. Paravirtualization
I'm undergraduated student and not good at English(please forgive me..)
full vs. para
In this diagram, I understood that
Full I/O virtualization
"Trap & emulate" -> hypervisor should ...
1
vote
0
answers
967
views
In Termux Qemu cannot open internet, while limbo can open it running the same virtual machine
I downloaded many virtual machines and used with qemu, all of them cannot run internet when running with qemu commands in termux. But
If I use Limbo emulator then internet work with no problem.
Hi ...
2
votes
0
answers
2k
views
How can I start multiple virtual machines using QEMU and how to specify each VM to run on a specific core?
I am trying to run multiple virtual machines on the same host using QEMU with KVM acceleration. I am also trying to get each virtual machine to run on a specific CPU cure. For example, I want to ...
0
votes
1
answer
456
views
TestCafe unable to connect to localhost specified in my hosts file that connects to a DevTest aka Lisa Service Virtualization system
How can I connect to localhost?
Local host is specified in my hosts file like below:
#SSL enabled port: 44323
127.0.0.1 visual.tests.com
127.0.0.1 visual.tests.com/motors
fixture`Motors ...
0
votes
1
answer
144
views
Cloud-init 18.5 module execution fails before creating the SSH keys
I am provisioning a virtual machine which executes the cloud init script on its first boot. I have a floating IP assigned to the VM and I can ping it, but can't ssh into it. I suspect that the cloud-...
0
votes
0
answers
407
views
How can I use cross-compile (arm64) in x86 centos7 linux
I am using x86 centos7 linux.
I want to use cross-compile to arm64 in docker
but I can't use docker buildx --platform because of the low Kenel version (centos7)
What should I do?
I've searched about ...
-1
votes
1
answer
290
views
Windows 10 nested virtualization on AMD CPU
I am working on a Software company, mainly developing on Linux. For Windows development we have couple of machines that are shared. However, a new project came up, and we need more resources on ...
3
votes
1
answer
5k
views
How to Virtualize the options for React-Select?
I've been trying to implement virtualization to a React-Select component although without success. Every single virtualization package that I have tried using has had some sort of breaking fault that ...
0
votes
0
answers
106
views
XenAPI Library - C#
In two official repos, one from XenServer and the other from XCP-NG, there are the sources for the XenAPI library, the problem is that they have to be compiled, they use OCAML and OPAM.
The repos are:
...
5
votes
5
answers
39k
views
Docker Desktop is unable to detect a Hypervisor
When I try to open docker desktop I get this message.
Docker Desktop is unable to detect a Hypervisor
Hardware assisted virtualization and data execution protection must be enabled in the BIOS.
In ...
-1
votes
1
answer
45
views
What are the differences between virtualizing a webapp and transforming it into a cloud-native application?
Could someone tell me what are the differences between virtualizing a webapp and transforming it into a cloud-native application?
Any shared information about this topic would be much appreciated.
...
0
votes
1
answer
146
views
Formik (Form) Wrapped with ScrollView Giving Warning Virtualized List React Native
Formik (Form) Wrapped inside ScrollView Giving Warning of Virtualized List can never be nested in React Native, but when i commented the Formik then BOOM! warning is gone.
I have tried to wrapped it ...
0
votes
0
answers
937
views
Enabling virtualization in Docker container for Android emulator in a cloud server
I am developing a management application that automates specific tasks. Some of these tasks require interacting with an external application for which we lack ownership and a public API. To overcome ...
0
votes
0
answers
50
views
Which virtualization option is best for an assembly language nostalgia trip?
With assembly, you could make calls to BIOS directly from MS-DOS. You could make system calls to the kernel directly in Win95, via accessing their static addresses in memory. It was magic. (It was ...