I wanted to wait until the Bionic upload would show up as well. But it didn't and I don't want to stall this more than needed. So verifying cosmic:
root@c:~# virsh domcapabilities | grep vmx; ll /var/cache/libvirt/qemu/capabilities/ <feature policy='require' name='vmx'/> total 27 drwxr-xr-x 2 root root 5 Jun 13 10:31 ./ drwxr-x--- 3 libvirt-qemu kvm 3 Jun 13 10:30 ../ -rw------- 1 root root 35567 Jun 13 10:30 926803a9278e445ec919c2b6cbd8c1c449c75b26dcb1686b774314180376c725.xml -rw------- 1 root root 56905 Jun 13 10:31 ad11a0ad669fe8eb7496efebe5a20cc8014d83e6553a9bb0294e73973977ad05.xml -rw------- 1 root root 37388 Jun 13 10:30 f11008721aacc79c97e592178e61264d75be551864cd79cc41fe820e31262f27.xml root@c:~# cat /proc/cpuinfo ^C root@c:~# cat /sys/module/kvm_intel/parameters/nested cat: /sys/module/kvm_intel/parameters/nested: No such file or directory root@c:~# cat /sys/module/kvm_intel/parameters/nested; virsh domcapabilities | grep vmx; ll /var/cache/libvirt/qemu/capabilities/ N total 27 drwxr-xr-x 2 root root 5 Jun 13 10:32 ./ drwxr-x--- 3 libvirt-qemu kvm 3 Jun 13 10:30 ../ -rw------- 1 root root 35567 Jun 13 10:30 926803a9278e445ec919c2b6cbd8c1c449c75b26dcb1686b774314180376c725.xml -rw------- 1 root root 56891 Jun 13 10:32 ad11a0ad669fe8eb7496efebe5a20cc8014d83e6553a9bb0294e73973977ad05.xml -rw------- 1 root root 37388 Jun 13 10:30 f11008721aacc79c97e592178e61264d75be551864cd79cc41fe820e31262f27.xml root@c:~# cat /sys/module/kvm_intel/parameters/nested; virsh domcapabilities | grep vmx; ll /var/cache/libvirt/qemu/capabilities/ Y <feature policy='require' name='vmx'/> total 27 drwxr-xr-x 2 root root 5 Jun 13 10:32 ./ drwxr-x--- 3 libvirt-qemu kvm 3 Jun 13 10:30 ../ -rw------- 1 root root 35567 Jun 13 10:30 926803a9278e445ec919c2b6cbd8c1c449c75b26dcb1686b774314180376c725.xml -rw------- 1 root root 56905 Jun 13 10:32 ad11a0ad669fe8eb7496efebe5a20cc8014d83e6553a9bb0294e73973977ad05.xml -rw------- 1 root root 37388 Jun 13 10:30 f11008721aacc79c97e592178e61264d75be551864cd79cc41fe820e31262f27.xml
The file refreshes on change of the nested attribute.
I wanted to wait until the Bionic upload would show up as well.
But it didn't and I don't want to stall this more than needed.
So verifying cosmic:
root@c:~# virsh domcapabilities | grep vmx; ll /var/cache/ libvirt/ qemu/capabiliti es/ ec919c2b6cbd8c1 c449c75b26dcb16 86b774314180376 c725.xml b7496efebe5a20c c8014d83e6553a9 bb0294e73973977 ad05.xml c97e592178e6126 4d75be551864cd7 9cc41fe820e3126 2f27.xml kvm_intel/ parameters/ nested kvm_intel/ parameters/ nested: No such file or directory kvm_intel/ parameters/ nested; virsh domcapabilities | grep vmx; ll /var/cache/ libvirt/ qemu/capabiliti es/ ec919c2b6cbd8c1 c449c75b26dcb16 86b774314180376 c725.xml b7496efebe5a20c c8014d83e6553a9 bb0294e73973977 ad05.xml c97e592178e6126 4d75be551864cd7 9cc41fe820e3126 2f27.xml kvm_intel/ parameters/ nested; virsh domcapabilities | grep vmx; ll /var/cache/ libvirt/ qemu/capabiliti es/ ec919c2b6cbd8c1 c449c75b26dcb16 86b774314180376 c725.xml b7496efebe5a20c c8014d83e6553a9 bb0294e73973977 ad05.xml c97e592178e6126 4d75be551864cd7 9cc41fe820e3126 2f27.xml
<feature policy='require' name='vmx'/>
total 27
drwxr-xr-x 2 root root 5 Jun 13 10:31 ./
drwxr-x--- 3 libvirt-qemu kvm 3 Jun 13 10:30 ../
-rw------- 1 root root 35567 Jun 13 10:30 926803a9278e445
-rw------- 1 root root 56905 Jun 13 10:31 ad11a0ad669fe8e
-rw------- 1 root root 37388 Jun 13 10:30 f11008721aacc79
root@c:~# cat /proc/cpuinfo ^C
root@c:~# cat /sys/module/
cat: /sys/module/
root@c:~# cat /sys/module/
N
total 27
drwxr-xr-x 2 root root 5 Jun 13 10:32 ./
drwxr-x--- 3 libvirt-qemu kvm 3 Jun 13 10:30 ../
-rw------- 1 root root 35567 Jun 13 10:30 926803a9278e445
-rw------- 1 root root 56891 Jun 13 10:32 ad11a0ad669fe8e
-rw------- 1 root root 37388 Jun 13 10:30 f11008721aacc79
root@c:~# cat /sys/module/
Y
<feature policy='require' name='vmx'/>
total 27
drwxr-xr-x 2 root root 5 Jun 13 10:32 ./
drwxr-x--- 3 libvirt-qemu kvm 3 Jun 13 10:30 ../
-rw------- 1 root root 35567 Jun 13 10:30 926803a9278e445
-rw------- 1 root root 56905 Jun 13 10:32 ad11a0ad669fe8e
-rw------- 1 root root 37388 Jun 13 10:30 f11008721aacc79
The file refreshes on change of the nested attribute.