*** This bug is a duplicate of bug 1783961 ***
https://bugs.launchpad.net/bugs/1783961
** This bug has been marked a duplicate of bug 1783961
CONFIG_KVM is disabled for linux-raspi2 (aarch64)
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https://bugs.launchpad.net/bugs/1849369
Title:
Ubuntu 19.10 ARM64 kernel has KVM disabled by default
Status in linux-raspi2 package in Ubuntu:
New
Bug description:
Using the official Ubuntu 19.10 arm64 image,
http://cdimage.ubuntu.com/ubuntu/releases/19.10/release/ubuntu-19.10
-preinstalled-server-arm64+raspi3.img.xz, with the 5.3.x Linux kernel
has KVM/VIRTUALIZATION disabled by default and therefore /dev/kvm
acceleration is not available on installations on newer Raspberry Pi 4
(for example) which has a supported processor (armv8) by KVM
(https://www.linux-kvm.org/page/Processor_support#ARM:).
I'm able to compile the kernel manually with the options enabled in
the kernel config (http://dl.rohityadav.cloud/cloudstack-
rpi/kernel-19.10/) and further verify that it works well in deploying
ARM64 VMs (http://dl.rohityadav.cloud/cloudstack-rpi/template/). I
went a bit further to deploy an Apache CloudStack based IaaS
deployment and verify that it works as well. Having KVM enabled arm64
devices would enable testing and misc use-cases on newer boards such
as the Raspberry Pi 4 (4 GB RAM).
Can the Ubuntu kernel team advise why KVM is not enabled in the kernel
by default, and if this will change in future? Thanks.
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