[Xen-users] Broadcom Corporation NetXtreme II BCM5708 bnx2 bridging problem

[Peter McEvoy <pete@xxxxxxxxx>]

Hi,
I've run into the same issue as:

http://lists.xensource.com/archives/html/xen-users/2006-07/msg00599.html

In that, running the network bridge script kills networking completely,
trying to ping the gateway gives me destination host unreachable.

The card is:

09:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708
Gigabit Ethernet (rev 11)

Using the bnx2 module:

filename:       /lib/modules/2.6.16-2-xen-686/kernel/drivers/net/bnx2.ko
version:        1.4.31
license:        GPL
description:    Broadcom NetXtreme II BCM5706/5708 Driver
author:         Michael Chan <mchan@xxxxxxxxxxxx>
srcversion:     E70D1EF4482674DE649B19D
alias:          pci:v000014E4d000016ACsv*sd*bc*sc*i*
alias:          pci:v000014E4d000016AAsv*sd*bc*sc*i*
alias:          pci:v000014E4d000016AAsv0000103Csd00003102bc*sc*i*
alias:          pci:v000014E4d0000164Csv*sd*bc*sc*i*
alias:          pci:v000014E4d0000164Asv*sd*bc*sc*i*
alias:          pci:v000014E4d0000164Asv0000103Csd00003106bc*sc*i*
alias:          pci:v000014E4d0000164Asv0000103Csd00003101bc*sc*i*
depends:
vermagic:       2.6.16-2-xen-686 SMP 686 gcc-4.0
parm:           disable_msi:Disable Message Signaled Interrupt (MSI)
(int)

from the debian xen kernel:

Linux xen 2.6.16-2-xen-686 #1 SMP Sun Jul 16 01:42:25 UTC 2006 i686
GNU/Linux

In a dell poweredge 1950

If I swap eth0 from the broadcom to a usb ethernet card using the
rtl8150 driver, the bridging works immediately.

I'm using the debian sid xen packages xen-utils 3.0.2+hg9697-2

I've put a tcpdump prepared for ethereal from the xen dom0 here:

http://www.yerma.org/~pete/temp/xen/dom0

And one from the gateway here:

http://www.yerma.org/~pete/temp/xen/gateway

Obviously I can work around this using the usb ethernet card, but I'd
prefer to use the gigabit nics that I've paid for.

Thanks.

-- 
Pete

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