On Tue, 2009-11-17 at 09:36 +0000, Cian Masterson wrote:
> 2009/11/17 Louigi Verona <
louigi verona gmail com>:
> > 2. When I boot the system, NM would try to automatically connect to some
> > Wired connection lfupdown (eth1). It seems to be there by default. Since I
> > have no wired connection, it of course, always fails. I cannot edit it, the
> > Edit button is grayed out when I select this connection. I tried making my
> > DSL connection automatically connect, but then it begins to ask for password
> > and says again "Insufficient privileges" and I have to start over again. Is
> > there any way to remove this default non-existing connection?
>
> This happened to me too, although in my case it was "ifupdown (eth3)".
> This left my laptop with no network access because my wired
> connection (which was eth5 in Jaunty) wasn't being recognised. I
> tried editing /etc/network/interfaces by hand but that didn't work
> either. Long story short I deleted /etc/network/interfaces, rebooted
> the machine and eth5 magically reappeared and everything worked fine
> after that.
>
> Better minds than mine will know what actually happened but I am
> assuming that a missing /etc/network/interfaces forced Ubuntu/Network
> Manager to re-scan the hardware or something. As per usual if you try
> this route yourself I recommend moving /etc/network/interfaces to
> /etc/network/interfaces.broken or something instead of deleting it.
> YMMV but this worked for me.
