[libvirt] [PATCH 2/3] Add a detailed message when tap device add fails

Chris Lalancette clalance at redhat.com
Thu Aug 5 19:23:55 UTC 2010


On 08/05/10 - 02:12:44PM, Doug Goldstein wrote:
> Added a more detailed error message when adding a tap devices fails and
> the kernel is missing tun support.
> 
> Signed-off-by: Doug Goldstein <cardoe at gentoo.org>
> ---
>  src/qemu/qemu_conf.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
> index 2ca3350..e92021a 100644
> --- a/src/qemu/qemu_conf.c
> +++ b/src/qemu/qemu_conf.c
> @@ -1694,6 +1694,13 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
>              qemuReportError(VIR_ERR_INTERNAL_ERROR,
>                              _("Failed to add tap interface to bridge. "
>                                "%s is not a bridge device"), brname);
> +        } else if (err == ENOENT) {
> +            /* When the tun drive is missing, give a better message. */
> +            qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> +                            _("Failed to add tap interface to bridge. "
> +                              "Your kernel is missing the 'tun' module or "
> +                              "CONFIG_TUN or you need to add the "
> +                              "/dev/net/tun device node."));
>          } else if (template_ifname) {
>              virReportSystemError(err,
>                                   _("Failed to add tap interface to
> bridge '%s'"),

Yeah, this is a better error message.

ACK

-- 
Chris Lalancette




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