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[Xen-users] network not enabled in launch of DomU == *archlinux* installer iso; other OSs installers ok ?


  • To: xen-users@xxxxxxxxxxxxx
  • From: suse.dev@xxxxxx
  • Date: Mon, 22 Feb 2016 09:39:57 -0800
  • Delivery-date: Mon, 22 Feb 2016 17:40:30 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

I'm launching an Arch distro installer in a VM Guest.

In VirtualBox, all networking works.

In Xen, other OSs' installers launched as DomU, networking works.

For arch, though, once launched in Xen DomU, with similar config as I use for 
other OSs,

        ...
        vif = [ 'mac=00:16:3E:10:01:01, model=e1000, bridge=br0, vifname=vif0',]
        ...

I've got no network

        ping <anywhere>
                connect: Network is unreachable

@ Dom0,

        brctl show
                bridge name     bridge id               STP enabled     
interfaces
                br0             8000.0cc47a489a7e       yes             eno1
                                                                        vif0
                                                                        vif0-emu

@ DomU

        dmesg | grep -i eth
                [   1.990937] xen_netfront: Initialising Xen virtual ethernet 
driver

        lspci -vv | grep -i eth
                (empty)

        lsmod | grep -i xen
                xen_kbdfront           16384  0 
                xen_netfront           32768  0 
                xen_blkfront           45056  6 

        uname -r
                4.3.3-3-ARCH

Is there some additional Xen config required?

On the arch installer, at least, there's no /boot/config* to grep for

        CONFIG_XEN_NETDEV_FRONTEND=
        CONFIG_XEN_NETDEV_BACKEND=

so don't know if that's involved.


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