[Xen-users] Error: Device 0 (vif) could not be connected. Could not find bridge....

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

[Please cc me for the reply since I am not on the list]

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 used "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
                                                            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:2090 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2301 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1467230 (1.3 MiB)  TX bytes:377124 (368.2 KiB)

eth1      Link encap:Ethernet  HWaddr 00:13:CE:67:E4:31
          inet6 addr: fe80::213:ceff:fe67:e431/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:220 errors:0 dropped:34 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:263858 (257.6 KiB)  TX bytes:588 (588.0 b)
          Interrupt:18 Base address:0xc000 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:686 errors:0 dropped:0 overruns:0 frame:0
          TX packets:686 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:107785 (105.2 KiB)  TX bytes:107785 (105.2 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:2088 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2304 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1476466 (1.4 MiB)  TX bytes:388212 (379.1 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:2301 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2091 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:377124 (368.2 KiB)  TX bytes:1467300 (1.3 MiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:41 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:3276 (3.1 KiB)  TX bytes:0 (0.0 b)

Regards,

Levin

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