Put in KVM (Kernel-based Virtual Machine) into my 64 bit Ubuntu 14.04 LTS per:
https://help.ubuntu.com/community/KVM/Installation
In the terminal:
kvm-ok INFO: /dev/kvm exists KVM acceleration can be used
OK so the KVM is in.
When I run the Android Emulator there is no change from the way the Emulator ran before I put in the KVM.
I've looked in to the various settings within Android Studio, and I found nothing obvious about KVM.
Does Android Studio have a setting somewhere to enable KVM?
Android Studio 1.5 and 2.0 do not have such option any more.
Update: that is because the team has made KVM mandatory. And see comments from Google employees claiming that their new 2.0 emulator is also KVM-based.
Alright, so when you see the message (on Android Studio v2 and higher):
KVM is required to run this AVD.
/dev/kvm device: permission denied
Grant current user access to dev/kvm
What you can do (manually, since I haven't found anything in Android Studio) to fix this is:
Add your Linux user into the kvm group: sudo adduser your_linux_user kvm
If the group doesn't exist, download this package sudo apt install qemu-kvm and try to add your user again into the kvm group.
When the user has successfully been added into the KVM group, logout or restart and try opening Android Studio again.
This setting works totally fine in Ubuntu 18.04/18.10, but it should work in other distros as well.
You can do this:
Click on Run -> Edit Configurations and go to the Emulator tab
You can add it on "additional commandline options":
-qemu -enable-kvm
I'm not sure if there is also a GUI option somewhere though, or how to check if it is working or not.
I'd test the x86 image to see if it works any faster.
Downgrade to Android Studio 1.4 (delete Android Studio 1.5 installation, download zip from http://tools.android.com/download/studio/builds/1-4-0, follow installation instructions).
Follow Stuart Axon's instructions above.
Gabor as far as I can tell is correct (and addresses the OP's question) - the option to use this acceleration by starting the emulator from within Android Studio 1.5 has been removed.
(Weirdly, I don't seem to be able access the acceleration when starting the emulator from the command line once Android Studio 1.5 has been installed - but maybe I'm wrong.)
Related
I am using fedora distro.
I went to create android emulator in android studio, but i got that /dev/kvm not found!
I tried to install kvm but still same.
Any one can help me ?
You need to enable KVM, from the BIOS by pressing F1 key before the system boot. Next, go to the Security tab and enable Intel Virtualization Technology and Intel VT-d Feature. Save the new settings by pressing F10. Finally, exit and restart your computer.
I am unable to install Android Emulator Hypervisor Driver for AMD Processor.
It is to be noted that virtualization is enabled.
Emulator Process for AVD was killed shown while running the code in Visual Studio while trying to install the Hypervisor Driver in Android Studio.
Error is also shown in Android Studio while installing the Hypervisor Driver:
What to do now? Thanks.
If you are using AVAST antivirus, It will not work .. So open Avast antivirus UI and go to Menu / Setting / troubleshooting and clear the tick on (( Enable hardware-assisted virtualization )) and restart. It will be installed.
First you should try to see if you have Hyper-V enabled. In most cases, the newer computers use it for hardware acceleration but it doesn't share with other virtualization apps, so to run this on an AMD or Intel VT-x first check if you have Hyper-V installed (go to your control panel, then in Programs and Features window, click “Turn Windows features on or off.” then look for Hyper-V and clear the checkbox then click OK.
If that doesn't work check your BIOS permissions, you can go to advanced CPU configuration or chipset and
find the "Intel Virtualization Technology", enable this option,
or
on AMD enable the SVM
then Save and Exit.
If you are using AVAST antivirus, It will not work .. So open Avast antivirus UI and go to Menu / Setting / troubleshooting and clear the tick on (( Enable hardware-assisted virtualization )) and restart. It will be installed.
This method by Tamer works for me but you have to restart your computer for it to be effective.
I had the same challenge when trying to add Bluestacks as an emulator in Android Studio and this was my solution.
Open PowerShell as Admin and do this command:
Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V
A restart should follow and all should be fine.
I'm not sure why you tried installing an AMD Virtualization driver for your Intel-CPU. As other people already suggested, try to install the Intel-Driver instead.
The installation probably failed because the program detected your not using an amd-cpu, so there's no point in installing it.
No matter how I configure my system, Android Studio shows the "We have detected that your system can run the android emulator in an accelerated performance mode. Linuxed-based systems support virtual machine acceleration through the KVM. Search for install instructions for your particular Linux configuration hat KVM is enabled for faster Android emulator performance."
egrep -c '(vmx|svm)' /proc/cpuinfo gives 8
kvm-ok gives INFO: /dev/kvm exists
KVM acceleration can be used
grep kvm /etc/group gives kvm:x:108:currentLoggedInUser
How should I configure KVM correct on Ubuntu 19.10? And how could I tell if Android Studio is running the VM using KVM?
Thanks.
i had same issue, but the other way around. To make it work, first make sure you've enabled virtualization in the BIOS and added your username in libvirt.
Click cancel on the screen that shows Android KVM
Android Studio will offer you to two options. Choose the one "don't start the setup wizard" (not the recommended one), so it will take you to the welcome screen.
Start a new project as usual and Android Studio will say couldn't find the SDK.
Choose the libraries and emulators to download and the rest is the same as usual.
When I try run app in Android Studio I get warning:
Emulator: warning: host doesn't support requested feature: CPUID.80000001H:ECX.abm [bit 5]
Does anyone know how to fix it?
I'm working on Linux Mint.
I played with (a pristine chroot of) Ubuntu 16.04 myself now. Without package grub-pc-bin installed, QEMU failed to boot the rescue image saying Could not read from CDROM (code 0004). After sudo apt-get install grub-pc-bin it booted fine. So I enforce use of platform i386-pc in the code now and produce an error if it's found missing.
I consider this ticket fixed. If you still run into issues, please make new tickets (with terminal output, Ubuntu version, and a screenshot of te QEMU window). Thanks!
more...
You can fix this by replacing your CPU to any, that support LZCNT feature. More detailed answer I posted here: Android Virtual Device ERROR on Android Studio
Android Studio 2.1.3
I can't seem to update HAXM. Every time I open the AVD, it gives me the following error message:
Virtual machine acceleration driver out-of-date
It then gives me a button to "Reinstall Haxm". Clicking that leads to an installation screen where I can choose the RAM allocation, where I hit Next and it starts installing. I then see it start installing and an extracting dialog flash up and disappear immediately:
It then finishes and says it was updated successfully, but then I hit Finish and it wants me to update again.
I've ensured Hyper-V isn't enabled and that virtualization is enabled in the BIOS. I've also tried installing it manually, and that looks like it all works successfully. And yet, no change in behavior by Android Studio. I have also seen this solution and tried it, with no success.
I can run the ARM EABI v7a emulators; just not the x86 ones. The ARM ones are so slow they're almost unusable, so I'd really like to find a way to fix this!
This machine does have VMWare vSphere installed on it, which is used on a regular basis. Could that be why this is happening?
First a warning. If you have a really old version of HAXM installed, follow their instructions to uninstall the old version before installing the new one.
Before installing latest HAXM, the previous versions from 1.1.4 and
below must be uninstalled using:
sudo /System/Library/Extensions/intelhaxm.kext/Contents/Resources/uninstall.sh
The Intel HAXM installation instructions are confusing and outdated, but this part is correct:
once you have installed the package, the status will appear as
‘Installed’, which is misleading as this is not the case. The SDK
only copies the Intel HAXM executable on your machine, and it is up to
you to install the executable.
I'm using Android Studio 3.0.1 on a Mac (10.11 El Capitan) and have not seem a "Reinstall HAXM" button like you described, but when an emulator is launched I do see this in the Event Log:
Emulator: WARNING: HAXM 6.0.5 is installed. Please install HAXM >= 6.2.1 to fix compatibility issues on Mac.
In SDK Manager -> SDK Tools it says the Intel X86 Emulator Accelerator (HAXM installer) is version 6.2.1. I have updated it via the SDK Manager from previous versions several times in the past but didn't realize the update was not complete.
Solution on Windows: Find the IntelHAXM.exe file and run it.
It might be at C:\Program Files\Android\android-sdk\extras\Intel\Hardware_Accelerated_Execution_Manager\IntelHaxm.exe
Solution on Mac: Find the .dmg file, open it, and double-click on the .mpkg file inside to start the actual installation. It will say the software is already installed. Press OK -> Continue -> Install to "re-install" it (meaning actually to install the newer version).
In my case the .dmg file was found at Users/{username}/Library/Android/sdk/extras/intel/Hardware_Accelerated_Execution_Manager/IntelHAXM_6.2.1.dmg