NetworkManager wont start eth0

[Andrew Haley]

On 09/01/2010 12:15 PM, William John Murray wrote:
> 
>        I have a problem with my Network Manager. Its been broken for a
> couple of weeks, not sure when.
>    The computer is static, but I use NM to run the pptp package.
> However, at the moment if I start NM it has the 'enable networking' box
> greyed out and will not start.

https://bugzilla.redhat.com/show_bug.cgi?id=627365

> This might be to do with a bridge network used for internal KVM
> guests - but it was all playing fine a month or two ago. If I don't
> use NM all works fine.

>   I tried deleting the eth0 from system-config-network. I don't like
> to do the same for the Br as I am not sure how to remake it. But I
> can try if people think I should. It was a bit fiddly making the
> host machine export NFS disks to the guests; I think I needed this
> for that.

>   Any suggestions?

I suggest you enable NM by editing
/var/lib/NetworkManager/NetworkManager.state by hand.  The nm-applet
fix will be along Real Soon Now.

Andrew.