[arch-general] Problem bringing up bridge interface with netctl

[Leonid Isaev]

On Sat, 28 Sep 2013 20:59:02 -0400
Michael Dahlberg <olgamirth at gmail.com> wrote:

> I recently upgraded to systemd-207 and I'm having some problems using
> netctl to bring up a bridged interface during the system boot.  The problem
> is that systemd will try and bring the bridged interface up before bringing
> up the actual network interface that is included in the bridge and, as a
> result, it times out:
> 
> (From journalctl)
> 
> Sep 27 23:59:34 io systemd[1]: Job
> sys-subsystem-net-devices-net1.710.device/start timed out.
> Sep 27 23:59:34 io systemd[1]: Timed out waiting for device
> sys-subsystem-net-devices-net1.710.device.
> Sep 27 23:59:34 io systemd[1]: Dependency failed for Bridge Connections for
> VLAN710 VMs.
> 
> 
> The netctl bridge profile is
> 
> Description="Bridge Connections for VLAN710 VMs"
> Interface=br710
> Connection=bridge
> BindsToInterfaces=(net1.710)
> IP="no"
> 
> The systemd service definition (netctl at br710.service)
> 
> .include /usr/lib/systemd/system/netctl at .service
> 
> [Unit]
> Description=Bridge Connections for VLAN710 VMs
> BindsTo=sys-subsystem-net-devices-net1.710.device
> After=sys-subsystem-net-devices-net1.710.device
> 
> And the profile for net1.710 is
> 
> Description='VLAN 710 VMs'
> Interface=net1.710
> Connection=vlan
> # The variable name is plural, but needs precisely one interface
> BindsToInterfaces=net1
> VLANID=710
> IP=no
> 
> 
> As soon as systemd times out waiting for the
> sys-subsystem-net-devices-net1.710 device to start, it then starts to bring
> up the VLAN interface (again from journalctl):
> 
> Sep 27 23:59:35 io network[376]: Starting network profile 'vlan710'...
> Sep 27 23:59:37 io kernel: e1000e: net1 NIC Link is Up 100 Mbps Full
> Duplex, Flow Control: None
> Sep 27 23:59:37 io network[376]: Started network profile 'vlan710'
> Sep 27 23:59:37 io systemd[1]: Started VLAN 710 VMs.
> 
> 
> Obviously, once I have access to the terminal I can manually bring up the
> bridge without problems.
> 
> I seem to have an issue with the timing with which the different parts of
> the network interfaces are brought up.  Is there a way to force systemd to
> bring up the net1.710 device before attempting to start the bridge?

Uhh... modify "netctl at br710.service" to require the unit for net1.710, e.g.

[Unit]
Requires=<unit>
After=<unit>

> 
> Any help you can provide will be greatly appreciated.
> 
> Thanks,
> Mike

Cheers,
-- 
Leonid Isaev
GnuPG key: 0x164B5A6D
Fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
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