[Fedora-xen] Failed to bring up network interface
Konrad Rzeszutek Wilk
konrad.wilk at oracle.com
Fri Feb 3 16:17:59 UTC 2012
On Fri, Feb 03, 2012 at 02:43:15PM +0400, Sergey A. Pechiony wrote:
> I have a problem with network interfaces after installing Xen.
>
>
>
> [root at dom0 ~]# uname -r
> 3.2.2-1.fc16.i686.PAE
>
>
>
> [root at 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.
Can you attach the dmesg and proc/interrupts when run under baremetal and
when run under Xen please?
>
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