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Date:      Wed, 17 Aug 2016 18:17:34 -0700
From:      Doug Hardie <doug@mail.sermon-archive.info>
To:        Polytropon <freebsd@edvax.de>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: Non working NIC
Message-ID:  <174B1185-C1FF-4699-81B6-861E97A30181@mail.sermon-archive.info>
In-Reply-To: <20160818015848.d9fd126e.freebsd@edvax.de>
References:  <224DCDD3-162F-4E67-8C1D-9332C85FC032@mail.sermon-archive.info> <C5192B10-AD4E-4966-88EA-486AE1DA9116@mail.sermon-archive.info> <6A68E1F3-95CC-42AE-94B4-02B153E4E83F@mail.sermon-archive.info> <20160818010513.0c95f8df.freebsd@edvax.de> <F582ED5D-5BB4-4FE6-B4FA-32BB2F9EBFC8@mail.sermon-archive.info> <20160818015848.d9fd126e.freebsd@edvax.de>

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> On 17 August 2016, at 16:58, Polytropon <freebsd@edvax.de> wrote:
>=20
> On Wed, 17 Aug 2016 16:32:20 -0700, Doug Hardie wrote:
>>=20
>>> On 17 August 2016, at 16:05, Polytropon <freebsd@edvax.de> wrote:
>>>=20
>>> On Wed, 17 Aug 2016 15:56:15 -0700, Doug Hardie wrote:
>>>> Added a new NIC (rl0).  Removed any reference to msk0 in rc.conf.=20=

>>>> Set rl0 for DHCP.  Same result, but some additional messages:
>>>>=20
>>>> Starting Network: mske0
>>>> Starting Network: rl0
>>>> rl0: link state changed to up
>>>> Starting Network: lo0
>>>> Starting dhclient
>>>> rl0: not found
>>>> exiting
>>>>=20
>>>> I am out of ideas here.  How can I figure out what is going on and =
correct it?
>>>=20
>>> This almost looks like a problem with the contents of rc.conf.
>>> Can you show all the relevant lines?
>>=20
>> I switched to a minimal rc.conf:
>>=20
>> fsck_y_enable=3D"YES"
>> background_fsck=3D"NO"
>> dumpdev=3D"NO"
>> hostname=3D"steve"
>> ifconfig_rl0=3D"DHCP"
>> sshd_enable=3D"YES"
>>=20
>>=20
>> Same results.
>=20
> No errors in this file. However it's interesting that (if I remember
> the thread so far) you reported the disappearing of a network =
interface
> with two different devices... however, there's something strange about
> the message: when I try to run dhclient for a network interface that
> does not exist on my system, I get this:
>=20
> 	# dhclient fxp0
> 	ifconfig: interface fxp0 does not exist
> 	fxp0: not found
> 	exiting.
>=20
> Note the ifconfig-related line. And if you run "ifconfig -a" and the
> interface _is_ listed, this makes the whole thing even more strange...

I created the following code:

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <ifaddrs.h>

int main (int argc, char *argv[])
{
        int rc;
        struct ifaddrs *ifi;

        rc =3D getifaddrs (&ifi);
        printf ("rc =3D %d\n", rc);
}


Compiled it with debugging and ran it.  after the getifaddrs call (it =
returned 0), there were 3 entries in the table.  All 3 have the name of =
"".=20

I commented out the networking calls in rc.conf, rebooted the machine =
and then ran the code.  Same result.  I rebooted in single user mode and =
ran the code and the same results.  The boot process is not setting the =
interface names properly.  Whats even more fascinating about this is I =
have upgraded other machines (although they are newer) from 9.3 to =
11.0-RC1 and they worked just fine.





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