[Xen-users] no network-interface in domU

[Alexander Stielau <aleks@xxxxxxxx>]

Hi,

i had to build a own kernel for the CompaqSmartarray-raidcontroller(s)
with ida / cciss, i used xen-3-0.2-2.

The dom0 looks fine:
,--------
| donskoi:/# xm info
| host                   : donskoi
| release                : 2.6.16-xen0
| version                : #1 Wed Apr 19 15:06:14 CEST 2006
| machine                : i686
| nr_cpus                : 8
| nr_nodes               : 1
| sockets_per_node       : 8
| cores_per_socket       : 1
| threads_per_core       : 1
| cpu_mhz                : 700
| hw_caps                : 0383fbff:00000000:00000000:00000040
| total_memory           : 3840
| free_memory            : 3296
| xen_major              : 3
| xen_minor              : 0
| xen_extra              : .2-2
| xen_caps               : xen-3.0-x86_32
| platform_params        : virt_start=0xfc000000
| xen_changeset          : Sun Apr 16 15:45:57 2006 +0100
| 9629:07408313ce33
| cc_compiler            : gcc version 3.3.5 (Debian 1:3.3.5-13)
| cc_compile_by          : root
| cc_compile_domain      : localdomain
| cc_compile_date        : Wed Apr 19 14:59:21 CEST 2006
`--------

If i boot an domU with this config, it has no network interface.
,--------
| donskoi:/# grep -v ^# /etc/xen/vserver1.sxp | uniq
| name ="foobar"
| kernel ="/boot/vmlinuz-2.6-xenU"
| root ="/dev/sda1"
| memory =256
| disk =
| 
['file:/srv/xen/vserver1/root.img,sda1,w','file:/srv/xen/vserver1/swap.img,sda2,w']
| ip="172.16.100.101"
| netmask="255.255.0.0"
| gateway="172.16.255.252"
| hostname="foobar"
`--------

It seems no difference to a dhcp-config.

The dmesg says:
,--------
| root@foobar:~# dmesg|grep eth
| Kernel command line:
| ip=172.16.100.101:1.2.3.4:172.16.255.252:255.255.0.0:foobar:eth0:off 
root=/dev/sda1
| netfront: Initialising virtual ethernet driver.
| IP-Config: Device `eth0' not found.
`--------

or with dhcp:
,--------
| root@foobar:~# dmesg |grep eth
| Kernel command line:  ip=:1.2.3.4:::foobar:eth0:dhcp root=/dev/sda1
| netfront: Initialising virtual ethernet driver.
| IP-Config: Device `eth0' not found.
`--------

I don't understand, where the 'Kernel command line' gets the argument
'off' from - or where my mistake with the virtual ethernet driver is.

On the dom0-site are all usual interfaces:
eth0, peth1, vif0.0, xenbr0.

Found nothing interesting in /var/log/xend*.

Need some rtfm...

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