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Re: multiple network interfaces...and a ghost





On Tue, Jul 12, 2022 at 10:28 AM Peter Ehlert <pb21a@sdi-baja.com> wrote:

On 7/11/22 21:35, Tixy wrote:
> On Mon, 2022-07-11 at 19:51 -0700, Peter Ehlert wrote:
> [...]
>> I decided to try a fresh netinstall alongside and Boom:
>>
>> ===
>> multiple network interfaces
>>
>> eno1: Intel Corporation Ethernet Connection (2) I218-LM
>> enp5s0: Intel Corporation 1210 Gigabit Network Connection
>> enx00e04c534458: Unknown Interface
>> ===
>>
> [...]
>> what about this mystery "Unknown"?
>> do I have a pending hardware failure?
> Looking up the MAC address in the name of that last interface the name
> says it's from Realtek Semiconductor Corp so it seems unrelated to the
> other Intel devices. Try looking at the output of 'dmesg' and look for
> 'Realtek' in the kernal log for a clue.
dmesg gave me 1662 lines.

RealTek NIC's require closed source binary blobs to work properly. Try installing `sudo apt install firmware-linux-nonfree firmware-misc-nonfree`or you can install from the non-free installer: https://cdimage.debian.org/images/unofficial/non-free/images-including-firmware/. Since you have two working NIC's you should not need to reinstall.
 
I only found these with realtek:

[   16.982860] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC221:
line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:line
[   16.982862] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=1
(0x17/0x0/0x0/0x0/0x0)
[   16.982863] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1
(0x21/0x0/0x0/0x0/0x0)
[   16.982864] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[   16.982865] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[   16.982867] snd_hda_codec_realtek hdaudioC0D0:      Front Mic=0x1a
[   16.982868] snd_hda_codec_realtek hdaudioC0D0:      Front Mic=0x18
[   16.982869] snd_hda_codec_realtek hdaudioC0D0:      Line=0x1b


>
> Do you have any other network devices plugged in, perhaps in USB port?
> Possibly a wifi dongle.
yes, I have several, 2 UPS devices, KVM, printer, etc.

perhaps my new UPS is the culprit.

process of elimination might tell the tale

> Also, a long shot, something could be
> automagically configuring something like a phone or bluetooth device
> for network use.
>



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