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I'm getting this error in Debian stretch during the boot process 

[ 26.390311] r8169 0000:03:00.0: firmware: failed to load rtl_nic/rtl8168g-3.fw (-2)

After that I continues the boot and works fine. Is there any firmware or driver missing?

Noam M
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lotfio
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2 Answers2

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After hours of searching on different resources i ended up solving the problem which was caused by a missing of firmware-realtek the realtek driver .

The missing of this firmware can throw different errors prefixed by rtl_nic/ to solve this simply add the official repository Debian firmware-realtek to your /etc/apt/sources.list by running this command

$ sudo gedit /etc/apt/sources.list

and make sure you are selecting the right Distro

your source.list should look like this:

#realtek firmware
deb http://ftp.de.debian.org/debian stretch main non-free
deb-src  http://ftp.de.debian.org/debian stretch main non-free

After that install realtek firmware

sudo apt-get update
sudo apt-get install firmware-realtek
moQr
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lotfio
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  • https://unix.stackexchange.com/questions/252210/wi-fi-problems-using-asus-usb-n13-adapter/252215 – Rui F Ribeiro Aug 07 '17 at 01:51
  • @RuiFRibeiro http://www.linuxquestions.org/questions/debian-26/firmware-failed-to-load-rtl_nic-rtl8168g-2-fw-2-a-4175555113/ – lotfio Aug 07 '17 at 10:25
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    what if we dont have internet on that pc...? can we download using another pc for specifically that file and then use the USB stick and go on to the shell (by recovery mode) and ... how to deploy that firmware manually anyway ? @lotfio – gumuruh May 27 '23 at 07:12
  • @gumuruh, you definitely can. If you download the firmware-realtek deb file to a USB drive, you may have to mount the USB drive and change your directory to it, but then you can install it with:
    sudo dpkg -i firmware-realtek*.deb     – mmortal03 Jul 23 '23 at 13:21
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As of "Bookworm", the /etc/apt/sources.list will already contain entries for the "non-free-firmware" repositories. enter image description here

But you will still need to install the realtek firmware.

apt update && apt -y install firmware-realtek

And note that there is separate firmware for rtl8723cs-bt.

Frobozz
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