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WARNING KVM acceleration not available, using 'qemu' ERROR

asked 2019-09-17 07:59:52 -0500

I am trying to build image .I installed virt-install .now I am trying to spawns a virtual machine in libvirt named my_cloud_image with 2 GB of RAM and 2 vCPUs using the default libvirt network with " virt-install -n my_cloud_image -r 2048 --vcpus=2" command . but I am getting WARNING KVM acceleration not available, using 'qemu' ERROR . Can anyone help me? Actually I am new learning openstack

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answered 2019-09-19 02:47:32 -0500

Mohit gravatar image

Check if the cpu virtualization support is enabled on BIOS.

You can also check if the cpu supports the virtualization linux command - egrep -c '(vmx|svm)' /proc/cpuinfo

If the output is 0 , that means the virtualization is not supported , 1 or greater than 1 means its good to go.

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answered 2019-09-17 09:43:28 -0500

updated 2019-09-17 09:44:20 -0500

It means that the server on which you run the virt-install command is unable to use CPU virtualization extensions and is therefore emulating the CPU in software, using qemu.

This has nothing to do with OpenStack. It's also not an error but a warning, as the message says. The virtual machine will be rather slow but should be functional.

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Asked: 2019-09-17 07:59:52 -0500

Seen: 51 times

Last updated: Sep 19