Failure to start kvm can also be caused by VirtualBox running on the host - watch out for dmesg like:
kvm: enabling virtualization on CPU3 failed kvm: enabling virtualization on CPU0 failed kvm: enabling virtualization on CPU2 failed kvm: enabling virtualization on CPU1 failed to fix it: # /etc/init.d/virtualbox stop # rmmod rmmod vboxnetflt and the KVM VMs should start from virt-manager like a charm n.b. # grep libvirt /etc/group kvm:x:127:libvirt-qemu libvirtd:x:130:<yourusername> -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1057024 Title: kvm kernel module always loaded, without setting /dev/kvm permissions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1057024/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
