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Questions tagged [vt-x]

12 questions
9
votes
4 answers

Could not start AVD

I install the latest version of Android Studio Android Studio 4.0.1.then after i open Android studio and create sample project.after that i open AVD manager and "create virtual device",then after i download Android 10.0+ API 30 level emulator. Issue…
Android
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2
votes
1 answer

Haxm failed to install due to unsupported VMX

So my android virtual device is not working and I have to install HAXM for it to work again properly. I found some solutions and I followed it. I unchecked the Hyper-v and enabled the virtualization in my BIOS but the installation failed. I am…
Burikay
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1
vote
1 answer

Unable to start Virtual machine after installation

Unable to start Virtual machine after installation of vm and ubuntu iso file with - Error while powering on: This host supports Intel VT-x, but Intel VT-x is disabled. Intel VT-x might be disabled if it has been disabled in the BIOS/firmware…
pradeep
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1
vote
1 answer

How and when host CPU state is saved in the VMCS host-state area?

I'm trying to understand the basics of how Intel VMX/VT-x works. In the Intel Software Developer Manual it says this about VMCS: The VMCS data are organized into six logical groups: Guest-state area. Processor state is saved into the guest-state…
davide ferrè
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1
vote
0 answers

Intel Virtualization (VMX/VT-x) guest general purpose registers

I just started learning about HW-assisted virtualization and read about how Intel VMX/VT-x works at a high level, but there are some things that are not clear to me and I hope you can help me to understand better. I've already found this question…
davide ferrè
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1
vote
0 answers

Win32_Processor VirtualizationFirmwareEnabled always returns False

I try to query if Virtualization (VTx) is enabled on the System via VB.net Dim searcher As New ManagementObjectSearcher( "root\CIMV2", "SELECT * FROM Win32_Processor") For Each queryObj As ManagementObject In…
Manuel
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0
votes
0 answers

Locating VMCS in memory

I'm learning about Intel Virtualization stack and wondering if there is a possible way of spotting VMCS? Let's say I'm running VMware Workstation on Windows or Linux and I have couple of VM's running. How can I spot VMCS for each running VM? I am…
Alex
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0
votes
0 answers

Any way to detect page swap from kernel or user mode

I want to build simple emulator using Intel VT-x. Suppose we've allocated memory (guest RAM), of course from paged pool, and built EPT. Everything working. Now host OS (Win10 x64) decide to swap out those pages or move or smth else, so physical…
Vic3Dexe
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0
votes
0 answers

What is the benefit of IA-32e mode guest of the vm-enter?

Regarding Intel VMX, I found that there is IA-32e mode guest bit field in vm-entry controls. Based on the Intel manual, when this bit is set, the VM entries start from IA-32e mode. What is the benefit of starting VCPU from ia-32e mode? Is it just…
ruach
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0
votes
2 answers

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 protect from memory access. I believe that now I'm…
matank001
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0
votes
1 answer

How do I enable VT-x on my PC for Android Studio?

I have Windows-10 but monitor is old. Intel(r)LG I wanted to enable VT-x (virtualisation) on my pc pls help!! [ I am not able to find the thing anywhere here! So please HELP! THANK YOU..!
user14777932
0
votes
1 answer

Install Android Studio on Azure VM

I installed android studio on Azure virtual machine. I have the following error in Virtual Device: Your CPU does not support VT-x. If I try to install XAMS I get the following error: Unable to install Intel® HAXM Your CPU does not support…
Loredana S.
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