From c5d4645ab7ea255124571e07235820b9369fa197 Mon Sep 17 00:00:00 2001 From: Alexandra Settle Date: Thu, 18 May 2017 14:07:21 +0100 Subject: [PATCH] [user-guide] Add note for troubleshooting error libvirt 2.5 without kvm requires cpu_mode="none" Change-Id: I0efdc219de3501d00c53e0f6ecd6c448c721a250 Closes-bug: 1678636 --- doc/user-guide/source/dashboard-launch-instances.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/user-guide/source/dashboard-launch-instances.rst b/doc/user-guide/source/dashboard-launch-instances.rst index 4d59566aac..ed50a905c4 100644 --- a/doc/user-guide/source/dashboard-launch-instances.rst +++ b/doc/user-guide/source/dashboard-launch-instances.rst @@ -196,6 +196,17 @@ When you launch an instance from a volume, note the following steps: * Select the volume or volume snapshot from which to boot. Enter a device name. Enter ``vda`` for KVM images or ``xvda`` for Xen images. +.. note:: + + When running QEMU without support for the hardware virtualization, set + ``cpu_mode="none"`` alongside ``virt_type=qemu`` in + ``/etc/nova/nova-compute.conf`` to solve the following error: + + .. code-block:: console + + libvirtError: unsupported configuration: CPU mode 'host-model' + for ``x86_64`` qemu domain on ``x86_64`` host is not supported by hypervisor + Connect to your instance by using SSH ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~