[CentOS-virt] xenbr0 isn't created anymore

Thu Mar 27 15:32:56 UTC 2008
Ross S. W. Walker <rwalker at medallion.com>

Kai Schaetzl wrote:
> Somehow I managed to disable the creation of xenbr0 on boot-up of the host 
> system. CentOS 5 with standard CentOS Xen. 
> I changed all Xen VMs to use xenbr0 instead of virbr0 and disabled 
> virtlibd. Works fine. But when I later restarted the machine I found that 
> all networking for guests had gone. On inspection there's no xenbr0 
> created anymore. I can get it up by stopping network (or eth0) and then 
> running /etc/xen/scripts/network-bridge start
> xend-config.sxp still has (network-script network-bridge), logging shows 
> no problems. It seems that the network-bridge script simply doesn't run, 
> but why? I can't see any init script or so that might run it, so I assume 
> it's xend doing that, but there's no error in any log.

Can you post the output of 'chkconfig --list'?

Attach a copy of /etc/xen/xend-config.sxp?


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