Description of problem:

The 10G NIC chipset is Boardcom 57710

Rhel 5.2 include the bnx2x module as the chipset 57710 driver module

It works well on the kernel 2.6.18-92-el5,the two netwrok ports works at the 
speed 10G 
bits/s, the data stream transmission is normally.

but when the kernel is 2.6.18-92-el5xen (OS run on XEN mode ),the 10G network 
ports link status is always keep the state of "no-linked"

Version-Release number of selected component (if applicable):

OS Rhel5.2 64bits 

kernel  2.6.18-92.el5Xen

bnx2x ver :1.40.22

CPU : Intel Xeon 5405
 
chipset:  Intel 5000P

NIC Chipset : Boardcom 57710(on board) 

How reproducible:

when the OS is working at XEN mode, the driver module bnx2x does not work !

Steps to Reproduce:
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Actual results:


Expected results:


Additional info: