network-manager can't find ethernet card

Matthew Kuiken matt.kuiken at verizon.net
Sun Jul 9 22:09:22 UTC 2006


Sebastian Gil wrote:
> 2006/7/9, Matthew Kuiken <matt.kuiken at verizon.net>:
>> I guess I don't understand how network manager really works.  Just for
>> grins, I opened up my interfaces file.  It still has the wired interface
>> as a part of it:
>>
>> --------  interfaces file -------------
>> $ cat /etc/network/interfaces
>> # This file describes the network interfaces available on your system
>> # and how to activate them. For more information, see interfaces(5).
>>
>> # The loopback network interface
>> auto lo
>> iface lo inet loopback
>>
>> # The primary network interface
>> auto eth0
>> iface eth0 inet dhcp
>> --------- end file -------------
>>
>> So maybe the problem is that since it is not a wireless interface, nm
>> doesn't deal with it, and thus it needs to be configured in interfaces.
>> I'll have to do more research, but try this and see what it does for 
>> you.
>>
>> -Matt
>>
> I have another laptop that have no problems with network-manager, I
> have all interfaces commentented except for "lo".
>
>> From ubuntu's wiki: "NetworkManager doesn't manage interfaces with
> manual configuration defined in /etc/network/interfaces. To get n-m to
> manage all the interfaces properly, backup /etc/network/interfaces and
> remove all wired/wireless interfaces that you want to be managed by
> n-m"
>
> I really think it's a bug.. any suggestion on what information could
> be useful send?

I just looked over the wiki as well.  It also says that you can have an 
interface with the two lines I have above and still have it controlled 
by network-manager.  I would try adding the lines:

auto eth0
iface eth0 inet dhcp

and see if it works.  If it does, and you can use it with nm, then file 
a bug that your card does not work with nm without those lines in 
interfaces.  If it doesn't start working with nm, file a bug that you 
can't get your wired interface to work with nm at all.  Of course, no 
matter which bug you file, include the wired and wireless lines from 
lspci, and a description.  It is highly likely that you will be required 
to add more information, but I do not know what would be asked for.  
Just try to be responsive when a dev/triage person is assigned to it.

-Matt





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