[Xen-users] networking problem with Xen and Broadcom tg3 rev 10

["Fajar A. Nugraha" <fajar@xxxxxxxxxxxxx>]

Hi,

I'm having problems using Xen (2.0.7 and 3.0.0) on newer IBM HS-20 
blades, which uses Broadcom network card (tg3 kernel module). Here's the 
relevant entry from lspci :
05:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704S 
Gigabit Ethernet (rev 10)
05:01.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5704S 
Gigabit Ethernet (rev 10)
If xend is not running, network works fine, but as soon as xend (with 
the default bridged-networking) is started network stopped working.
At first I suspect it was a problem with the OS, but the exact same 
software setup works fine on systems with older version of network 
cards, e.g. something that have these (including older IBM HS-20 blades):
0000:01:00.0 Ethernet controller: Broadcom Corporation NetXtreme 
BCM5704S Gigabit Ethernet (rev 02)
0000:01:00.1 Ethernet controller: Broadcom Corporation NetXtreme 
BCM5704S Gigabit Ethernet (rev 02)
OS is RHEL 4.2.
Any idea what might have caused this problem?

Regards,

Fajar

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