Bug 213376

Description of problem:

If I boot into the non-xen OS, everything works great: eth0 is connected to my
local subnet, eth1 is connected to my external subnet. No problems.

If I boot into the xen os (2.6.18-1.2798.fc6xen) the system detects an 8139 chip
set, loads the 8139cp module, then decides to load the 8139too module instead.
Both modules remain in memory and neither are working. The system boots and
operates normally except that there is no external network. See the excerpt from
the message log in "additional information" below.

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

Linux dev 2.6.18-1.2798.fc6xen #1 SMP Mon Oct 16 15:11:19 EDT 2006 i686 i686
i386 GNU/Linux

How reproducible:

always / every boot

Steps to Reproduce:
1.Boot the xen FC6 os
2.
3.
  
Actual results:

* eth1 not working.
* 8139cp and 8139too modules both appear on lsmod | grep 8139

Expected results:

* eth1 should be working
* only 8139too module should be loaded

Additional info:

After booting: eth0 is up but using the e100 driver, eth1 is not visible to
ifconfig (can't bring it up or down,) and both the 8139cp and 8139too drivers
are found on lsmod | grep 8139. 

Work Around:

rmmod 8139cp
rmmod 8139too
modprobe 8139too

(After doing the above: eth1 is properly configured and functional, external
network is accessible.)

from /var/log/messages:

8139cp: 10/100 PCI Ethernet driver v1.2 (Mar 22, 2004)
8139cp 0000:01:00.0: This (id 10ec:8139 rev 10) is not an 8139C+ compatible chip
8139cp 0000:01:00.0: Try the "8139too" driver instead.
8139too Fast Ethernet driver 0.9.27
ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 21 (level, low) -> IRQ 21
eth0: RealTek RTL8139 at 0xee07ec00, 00:40:f4:2b:49:fa, IRQ 21
eth0:  Identified 8139 chip type 'RTL-8139C'
hdd: ATAPI 40X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
e100: Intel(R) PRO/100 Network Driver, 3.5.10-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
ACPI: PCI Interrupt 0000:01:08.0[A] -> GSI 20 (level, low) -> IRQ 22
e100: eth1: e100_probe: addr 0xff8fe000, irq 22, MAC addr 00:11:11:0A:35:EF

Thank You.