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</o:shapelayout></xml><![endif]--></head><body lang=RU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I have a problem with network interfaces after installing Xen. Network interface has network address but can’t to bring up.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>[root@dom0 ~]# uname -r <br>3.2.2-1.fc16.i686.PAE<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>[root@dom0 ~]# yum list | grep xen-hyper<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>xen-hypervisor.i686 4.1.2-2.fc16<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>With default kernel system works perfectly. But after booting with xen kernel <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US># dmesg | grep eth <br>[ 15.860121] e100 0000:00:04.0: eth0: addr 0xfeafe000, irq 9, MAC addr 00:e0:81:21:53:96 <br>[ 15.884513] e100 0000:00:05.0: eth1: addr 0xfeafd000, irq 5, MAC addr 00:e0:81:21:53:97 <br>[ 18.506585] udevd[458]: renamed network interface eth1 to em2 <br>[ 18.568406] udevd[457]: renamed network interface eth0 to em1 <br><br># lsmod | grep e100 <br>e100 36014 0. <br>mii 13311 1 e100 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US># lspci | grep Ethernet<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>00:04.0 Ethernet controller: Intel Corporation 82557/8/9/0/1 Ethernet Pro 100 (rev 08)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>00:05.0 Ethernet controller: Intel Corporation 82557/8/9/0/1 Ethernet Pro 100 (rev 08)<br><br># ifup em1 <br>RTNETLINK answers: Function not implemented <br>ERROR : [/etc/sysconfig/network-scripts/ifup-eth] Failed to bring up em1. <br><br># ifconfig em1 192.168.129.1 <br>SIOCSIFFLAGS: Function not implemented<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>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.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>