[Xen-users] Xen and eth device bonding

[Dimitri Puzin <max@xxxxxxxxxx>]

Hi list,

I'm trying to set up a bonding interface inside my XEN-3.2 dom0, so far
without success. Following configuration:

Intel P4 System, Debian Etch with XEN-3.2 running. The eth devices are
Intel 82546EB based network card. These are connected to a switch, which
is doing LACP.

Now my problem is, that I can't get any packet through the bond. I see
the kernel enslaves the devices, adds them to the bond etc, everything
like normal but mii-tool on bond0 says "no link" as well as
/proc/net/bonding/bond0. Looks like following:
Ethernet Channel Bonding Driver: v3.0.3 (March 23, 2006)

Bonding Mode: IEEE 802.3ad Dynamic link aggregation
Transmit Hash Policy: layer2 (0)
MII Status: down
MII Polling Interval (ms): 100
Up Delay (ms): 200
Down Delay (ms): 200

802.3ad info
LACP rate: slow
Active Aggregator Info:
        Aggregator ID: 1
        Number of ports: 1
        Actor Key: 17
        Partner Key: 1
        Partner Mac Address: 00:00:00:00:00:00

Slave Interface: eth2
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:04:23:bc:1a:40
Aggregator ID: 1

Slave Interface: eth3
MII Status: up
Link Failure Count: 0
Permanent HW addr: 00:04:23:bc:1a:41
Aggregator ID: 2

dmesg:
Ethernet Channel Bonding Driver: v3.0.3 (March 23, 2006)
bonding: MII link monitoring set to 100 ms
ADDRCONF(NETDEV_UP): bond0: link is not ready
ADDRCONF(NETDEV_UP): eth2: link is not ready
bonding: bond0: enslaving eth2 as a backup interface with a down link.
ADDRCONF(NETDEV_UP): eth3: link is not ready
bonding: bond0: enslaving eth3 as a backup interface with a down link.
e1000: eth2: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
ADDRCONF(NETDEV_CHANGE): eth2: link becomes ready
bonding: bond0: link status up for interface eth2, enabling it in 200 ms.
bonding: bond0: link status definitely up for interface eth2.
e1000: eth3: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
ADDRCONF(NETDEV_CHANGE): eth3: link becomes ready
bonding: bond0: link status up for interface eth3, enabling it in 200 ms.
bonding: bond0: link status definitely up for interface eth3.

On another machine with current LK (but without xen) this works as
intended. I played around with updelay and use_carrier options of
bonding.ko module but no success. Google didn't come up with anything
useful to date. Do you have any ideas?


Regards,
-Dimitri Puzin aka Tristan-777

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