[Xen-users] Random swap of interfaces at domU startup

[Frédéric VANNIÈRE <frederic@xxxxxxxxxxx>]

Hello,

I'm using xen 3.0.4 with a custom kernel (with drbd) and
quite often xen inverts eth0 and eth1. In order to have correct
interfaces I need to restart the domU

The virtual interfaces vifX.0 and vifX.1 should be connected
to xenbr0 and xenbr1 respectively but sometimes they are connected
to xenbr1 and xenbr0.





configuration file:
-------------------
kernel = "/boot/vmlinuz-2.6-xenU"
memory = 2048
name = "xxxx-secours"
disk = [ "phy:xen_data/xxxx-secours,hda1,w",
         "phy:xen_data/xxxx-secours_swap,hda2,w",
         "phy:xen_data/xxxx-secours_drbd,hda3,w"]
root = "/dev/hda1 ro"
vif = [
    "mac=00:26:3E:7B:0B:22,bridge=xenbr0,ip=192.168.2.144",
    "mac=00:26:3E:7B:0B:23,bridge=xenbr1,ip=10.1.0.20",
      ]
gateway = "192.168.2.1"
netmask = "255.255.255.0"
hostname = "xxxx-secours"
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "restart"


xm list
-------
Name                          ID   Mem VCPUs      State   Time(s)
Domain-0                       0   257     1     r-----   7338.2
xxxx-secours                 11  2048      1     -b----    354.9
yyyy-secours                  13   728     1     -b----    437.0



brctl show all  when OK
-----------------------
xenbr0          8000.feffffffffff       no              peth0
                                                        vif0.0
                                                        vif11.0
                                                        vif13.0
xenbr1          8000.feffffffffff       no              peth1
                                                        vif0.1
                                                        vif11.1
                                                        vif13.1



brctl show all  when inverted
------------------------------
xenbr0          8000.feffffffffff       no              peth0
                                                        vif0.0
                                                        vif11.0
                                                        vif13.1
xenbr1          8000.feffffffffff       no              peth1
                                                        vif0.1
                                                        vif11.1
                                                        vif13.0






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