I have a problem with network interfaces after installing Xen.

 

[root@dom0 ~]# uname -r 
3.2.2-1.fc16.i686.PAE

 

[root@dom0 ~]# yum list | grep xen-hyper

xen-hypervisor.i686                      4.1.2-2.fc16
@updates

 

With default kernel system works perfectly. But after booting with xen
kernel 

 

# dmesg | grep eth 
[   15.860121] e100 0000:00:04.0: eth0: addr 0xfeafe000, irq 9, MAC addr
00:e0:81:21:53:96 
[   15.884513] e100 0000:00:05.0: eth1: addr 0xfeafd000, irq 5, MAC addr
00:e0:81:21:53:97 
[   18.506585] udevd[458]: renamed network interface eth1 to em2 
[   18.568406] udevd[457]: renamed network interface eth0 to em1 

# lsmod | grep e100 
e100                   36014  0. 
mii                    13311  1 e100 

 

# lspci | grep Ethernet

00:04.0 Ethernet controller: Intel Corporation 82557/8/9/0/1 Ethernet Pro
100 (rev 08)

00:05.0 Ethernet controller: Intel Corporation 82557/8/9/0/1 Ethernet Pro
100 (rev 08)

# /etc/init.d/network status 
Configured devices: 
lo em1 em2 
Currently active devices: 
lo 

# ifup em1 
RTNETLINK answers: Function not implemented 
ERROR    : [/etc/sysconfig/network-scripts/ifup-eth] Failed to bring up em1.


# ifconfig em1 
em1       Link encap:Ethernet  HWaddr 00:E0:81:21:53:97.. 
           inet addr:192.168.129.16  Bcast:192.168.131.255
Mask:255.255.252.0 
          BROADCAST MULTICAST  MTU:1500  Metric:1 
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:1000. 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b) 

# ifconfig em1 192.168.129.1 
SIOCSIFFLAGS: Function not implemented

 

Network interface has network address but can't to bring up.

I don't understand that happens. A difference between loadings only in irq.
20,21 for default kernel and 5,9 for xen kernel. But 5 and 9 irq is not used
anywhere more.

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