[Xen-users] Problem with network bridge when starting domU

["Levin Johnson" <levin.johnson@xxxxxxxxx>]

Hi all,

I am new to Xen and I ran into some problem when trying to
xm create a FC6 domU with Xen 3.1. My dom0 is a FC5 running
the 2.6.18-xen kernel. This might just be a stupid configuration
issue that I am not aware of so please bear with me.

Here is what my cfg file looks like:

kernel = "/boot/vmlinuz-2.6.18-xen"
memory = 256
name = "fedora.fc6"
disk = ['file:/home/ljohnson/stuff/xen/fc6/fedora.fc6.img,sda1,w',
'file:/home/ljohnson/stuff/xen/fc6/fedora.swap,sda2,w']
root = "/dev/sda1 ro"
vif = [ '' ]

I was able to start the domain without the virtual nic. However,
with the vif in the cfg file, I got the following error when
creating the domain:

Error: Device 0 (vif) could not be connected. Could not find bridge, and none was specified

I have already turned off iptables on my machine and dom0's network
seems to work fine. I have also tried "vif = [ '', "bridge=xenbr0' ] but
the same error still shows up. If I set the mac address myself by
"vif = [ 'mac=00:16:3e:00:00:11, bridge=xenbr0' ]", xm create hangs
and attempt to switch to the domU's console with "xm consle fedora.fc6"
also hangs. Any suggestion on where to look ?

The output from brctl show:

bridge name     bridge id               STP enabled     interfaces
xenbr0             8000.feffffffffff     no                      vif0.0
                                                                           &nb! sp;    peth0

The output from ifconfig:

eth0   Link encap:Ethernet  HWaddr 00:12:3F:FC:47:AF
          inet addr:192.168.1.100  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::212:3fff:fefc:47af/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1492  Metric:1
          RX packets:2224 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2501 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1597004 (1.5 MiB)  TX bytes:444505 (434.0 KiB)

eth1   Link encap:Ethernet  HWaddr 00:13! :CE:67:E4:31
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:404 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2236 (2.1 KiB)  TX bytes:220 (220.0 b)
          Interrupt:18 Base address:0x6000 Memory:dfbff000-dfbfffff

lo       Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
   !        RX packets:450 errors:0 dropped:0 overruns:0 frame:0
          TX packets:450 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:58377 (57.0 KiB)  TX bytes:58377 (57.0 KiB)

peth0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
            inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
            UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
            RX packets:2222 errors:0 dropped:0 overruns:0 frame:0
            TX packets:2504 errors:0 dropped:0 overruns:0 carrier:0
  !           collisions:0 tx queuelen:1000
            RX bytes:1606400 (1.5 MiB)  TX bytes:456597 (445.8 KiB)
            Interrupt:16

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
             inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
             UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
             RX packets:2501 errors:0 dropped:0 overruns:0 frame:0
             TX packets:2225 errors:0 dropped:0 overruns:0 carrier:0
             collisions:0 txqueuelen:0
             RX! bytes:444505 (434.0 KiB)  TX bytes:1597074 (1.5 MiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
               UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
               RX packets:20 errors:0 dropped:0 overruns:0 frame:0
               TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
               collisions:0 txqueuelen:0
               RX bytes:2608 (2.5 KiB)  TX bytes:0 (0.0 b)

Regards,

Levin

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