After searching for the past 1.5 days, I found the solution on the net.
In FC4, this seems to be automatic (at least the way the kernel was
built). In FC5, the xennet module has to be loaded manually.
On 4/13/06, Fong Vang <sudoyang@xxxxxxxxx> wrote:
> I've been using Xen on Fedora Core 4 without any problem. Recently, I
> upgraded (reinstalled from scratch) another Fedora Core 5 system. I'm
> having a difficult time getting a network interface configured for a
> domU. This is my configure file:
>
> kernel = "/boot/vmlinuz-2.6.16-1.2080_FC5xenU"
> memory = 1024
> name = "meta"
> vif = [ '' ]
> disk = [ 'phy:xenvg/metaboot,sda1,w', 'phy:xenvg/metaroot,sda2,w',
> 'phy:xenvg/ metausr,sda3,w', 'phy:xenvg/metavar,sda4,w',
> 'phy:xenvg/metaswap,sda5,w' ]
> vtpm = [ 'instance=1,backend=0' ]
> root = "/dev/sda2 ro"
> extra = "3"
>
> I've also tried this line for the vif:
>
> vif = [ 'mac=00:16:3e:00:00:11, bridge=xenbr0' ]
>
> However, I'm still not able to get eth0 in domU to work.
>
> [root@meta ~]# ifconfig eth0 192.168.1.10 netmask 255.255.255.0
> SIOCSIFADDR: No such device
> eth0: unknown interface: No such device
> SIOCSIFNETMASK: No such device
> SIOCGIFADDR: No such device
> SIOCSIFBROADCAST: No such device
>
> I'm seeing this in xend.log:
>
> [2006-04-13 16:59:22 xend.XendDomainInfo] DEBUG (XendDomainInfo:667)
> Storing VM details: {'ssidref': '0', 'uuid':
> '87c2f135-822b-13b6-556f-ebbc93ba8f88', 'on
> _reboot': 'restart', 'start_time': '1144947562.33', 'on_poweroff':
> 'destroy', 'name': 'meta', 'vcpus': '1', 'vcpu_avail': '1', 'memory':
> '1024', 'on_crash':
> 'restart', 'image': "(linux (kernel
> /boot/vmlinuz-2.6.16-1.2080_FC5xenU) (root '/dev/sda2 ro') (args 3))",
> 'maxmem': '1024'}
> [2006-04-13 16:59:22 xend.XendDomainInfo] DEBUG (XendDomainInfo:692)
> Storing domain details: {'console/ring-ref': '878415', 'console/port':
> '2', 'name': 'met
> a', 'console/limit': '1048576', 'vm':
> '/vm/87c2f135-822b-13b6-556f-ebbc93ba8f88', 'domid': '4',
> 'cpu/0/availability': 'online', 'memory/target': '1048576', '
> store/ring-ref': '878416', 'store/port': '1'}
> [2006-04-13 16:59:22 xend] DEBUG (DevController:132) Waiting for devices vif.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:138) Waiting for 0.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:403)
> hotplugStatusCallback /local/domain/0/backend/vif/4/0/hotplug-status.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:132) Waiting for devices usb.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:132) Waiting for devices vbd.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:138) Waiting for 2049.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2049/hotplug-status.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:138) Waiting for 2050.
> [2006-04-13 16:59:22 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2050/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2050/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:138) Waiting for 2051.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2051/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2051/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:138) Waiting for 2052.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2052/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:138) Waiting for 2053.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:403)
> hotplugStatusCallback
> /local/domain/0/backend/vbd/4/2053/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:132) Waiting for devices pci.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:132) Waiting for
> devices ioports.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:132) Waiting for devices vtpm.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:138) Waiting for 0.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:403)
> hotplugStatusCallback /local/domain/0/backend/vtpm/4/0/hotplug-status.
> [2006-04-13 16:59:23 xend] DEBUG (DevController:417) hotplugStatusCallback 1.
> [2006-04-13 16:59:23 xend] INFO (XendDomain:360) Domain meta (4) unpaused.
>
> xend-hotplug.log shows the following (with -x enabled):
>
> +++ export PATH=/sbin:/bin:/usr/bin:/usr/sbin:/usr/local/bin:/bin:/usr/bin
> +++ PATH=/sbin:/bin:/usr/bin:/usr/sbin:/usr/local/bin:/bin:/usr/bin
> +++ export LANG=POSIX
> +++ LANG=POSIX
> ++++ set
> ++++ grep '^LC_'
> ++++ cut -d= -f1
> +++ unset
> +++ trap sigerr ERR
> +++ log debug online XENBUS_PATH=backend/vif/4/0
> +++ local level=debug
> +++ shift
> +++ logger -p daemon.debug -- /etc/xen/scripts/vif-bridge: online
> XENBUS_PATH=backend/vif/4/0
> ++ . /etc/xen/scripts/xen-network-common.sh
> +++ '[' -e /etc/SuSE-release ']'
> +++ which ifup
> ++ findCommand online
> ++ for arg in '"$@"'
> ++ expr index online =
> ++ command=online
> ++ return
> ++ '[' online '!=' online ']'
> ++ case "$command" in
> ++ evalVariables online
> ++ for arg in '"$@"'
> ++ expr index online = '>' 1
> ++ ip=
> +++ xenstore_read_default backend/vif/4/0/ip ''
> +++ xenstore-read backend/vif/4/0/ip
> +++ echo ''
> ++ ip=
> ++ XENBUS_PATH=backend/vif/4/0
> ++ vif=vif4.0
> +++ xenstore_read_default backend/vif/4/0/vifname ''
> +++ xenstore-read backend/vif/4/0/vifname
> +++ echo ''
> ++ vifname=
> ++ '[' '' ']'
> + bridge=
> ++ xenstore_read_default backend/vif/4/0/bridge ''
> ++ xenstore-read backend/vif/4/0/bridge
> + bridge=xenbr0
> + '[' -z xenbr0 ']'
> + case "$command" in
> + brctl show
> + grep -q vif4.0
> + brctl addif xenbr0 vif4.0
> + ifconfig vif4.0 up
> + handle_iptable
> + iptables -L -n
> + '[' '' '!=' '' ']'
> + frob_iptable
> + '[' online == online ']'
> + local c=-A
> + iptables -A FORWARD -m physdev --physdev-in vif4.0 -j ACCEPT
> + log debug 'Successful vif-bridge online for vif4.0, bridge xenbr0.'
> + local level=debug
> + shift
> + logger -p daemon.debug -- /etc/xen/scripts/vif-bridge: 'Successful
> vif-bridge online for vif4.0, bridge xenbr0.'
> + '[' online == online ']'
> + success
> + xenstore_write backend/vif/4/0/hotplug-status connected
> + log debug 'Writing backend/vif/4/0/hotplug-status' 'connected to xenstore.'
> + local level=debug
> + shift
> + logger -p daemon.debug -- /etc/xen/scripts/vif-bridge: 'Writing
> backend/vif/4/0/hotplug-status' 'connected to xenstore.'
> + xenstore-write backend/vif/4/0/hotplug-status connected
>
> What am I missing? Any help is appreciated.
>
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