[Pkg-xen-devel] Bug#571634: Bug#571634: bridge loosing connection

Mon Sep 6 09:21:31 UTC 2010

On Mon, Sep 06, 2010 at 10:31:28AM +0200, Jochen Demmer wrote:
>    Hi,
> 
>    I'm not sure but I think I suffer under the same problem with a bit
>    different setup with squeeze testing and xen 4.0rc5.
>    In fact I'm using bridges in the dom0 and the connections to the domU get
>    lost sporadically.
>    In don't see where's a solution to the problem... Is it now a bug? When
>    it's an iptables bug, where's the corresponding bug in the iptables
>    bugtracker and what exactly is iptables doing wrong.
>    You stated "...but as the syslog message clearly indicates this rule works
>    perfectly when the traffic is bridged."
>    I'm using bridges but it's not working obviously.
> 

I don't really see any errors in the log below.

Have you tried using different kernel in the domU? 
If network is fine from dom0, then this sounds like a bug in the domU kernel.

What kernel are you running in the domU? 

-- Pasi

>    /etc/network/interfaces
>    auto br0
>    allow-hotplug br0
>    iface br0 inet static
>    address 10.100.200.20
>    netmask 255.255.255.0
>    dns-nameservers 10.100.200.3
>    gateway 10.100.200.3
>    bridge_ports eth0
> 
>    allow-hotplug br1
>    auto br1
>    iface br1 inet manual
>    bridge_ports eth1
> 
>    This is my logs:
>    Sep  6 09:47:14 elise kernel: [71970.564974] br1: port 2(vif1.1) entering
>    disabled state
>    Sep  6 09:47:14 elise kernel: [71970.578040] br1: port 2(vif1.1) entering
>    disabled state
>    Sep  6 09:47:14 elise kernel: [71970.718785] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:14 elise kernel: [71970.718797] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:14 elise kernel: [71970.718803] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:14 elise kernel: [71970.724864] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:14 elise kernel: [71970.724874] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:15 elise kernel: [71970.871846] br0: port 2(vif1.0) entering
>    disabled state
>    Sep  6 09:47:15 elise kernel: [71970.890073] br0: port 2(vif1.0) entering
>    disabled state
>    Sep  6 09:47:15 elise kernel: [71971.010275] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:15 elise kernel: [71971.010286] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:15 elise kernel: [71971.016391] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71972.912040] device vif3.0 entered
>    promiscuous mode
>    Sep  6 09:47:17 elise kernel: [71972.915898] br0: port 2(vif3.0) entering
>    learning state
>    Sep  6 09:47:17 elise kernel: [71972.948656] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71972.953266] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71972.953273] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71972.986255] device vif3.1 entered
>    promiscuous mode
>    Sep  6 09:47:17 elise kernel: [71972.990441] br1: port 2(vif3.1) entering
>    learning state
>    Sep  6 09:47:17 elise kernel: [71973.011096] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71973.011102] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71973.016383] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71973.016392] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:17 elise kernel: [71973.016398] physdev match: using
>    --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for
>    non-bridged traffic is not supported anymore.
>    Sep  6 09:47:18 elise kernel: [71974.706987] blkback: ring-ref 8,
>    event-channel 8, protocol 1 (x86_64-abi)
>    Sep  6 09:47:18 elise kernel: [71974.734701] blkback: ring-ref 9,
>    event-channel 9, protocol 1 (x86_64-abi)
>    Sep  6 09:47:32 elise kernel: [71987.913527] br0: port 2(vif3.0) entering
>    forwarding state
>    Sep  6 09:47:32 elise kernel: [71987.988031] br1: port 2(vif3.1) entering
>    forwarding state

> _______________________________________________
> Pkg-xen-devel mailing list
> Pkg-xen-devel at lists.alioth.debian.org
> http://lists.alioth.debian.org/mailman/listinfo/pkg-xen-devel