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I've been getting an issue since upgrading to 2.6.39 in Natty from the Kernel-PPA repository.

When I do a sudo update-initramfs -u I get the following error message.

update-initramfs: Generating /boot/initrd.img-2.6.39-0-generic-pae
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8105e-1.fw for module r8169

I did notice that firmware wasn't in the allocated directory. Does anyone know where to get the firmware files for this.

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up vote 5 down vote accepted

There's a solution at http://www.davidgis.fr/blog/index.php?2011/05/06/800--resolu-solved-w-possible-missing-firmware-lib-firmware-rtl_nic-rtl8105e-1fw-for-module-r8169. Essentially you need to do:

git clone git://git.kernel.org/pub/scm/linux/kernel/git/romieu/linux-firmware.git
sudo cp -r linux-firmware/rtl_nic/ /lib/firmware/

and then sudo update-initramfs -u works without errors.

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Cheers I'll check it out. – Dean Thomson May 11 '11 at 4:08
    
This repo is now fatal: remote error: access denied or repository not exported: /pub/scm/linux/kernel/git/romieu/linux-firmware.git. I get this error now on 14.04 with 4.4.1 kernel. – Patryk Feb 27 at 22:05

Do sudo apt-get install firmware-realtek and the problem should be solved

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Is this a real package? On my 11.04 system, apt-cache show firmware-realtek returns a message saying the package doesn't exist. – djeikyb Aug 10 '11 at 0:53
3  
This package is in the Debian repos - it is not in the Ubuntu repos - so the answer is only applicable to Debian not Ubuntu. – fossfreedom Oct 24 '11 at 19:37

Perhaps a better answer is to install linux-firmware package and if necessary linux-firmware-nonfree package.

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I had the same problem whit Ubuntu 12.04.5 LTS. Today I have tested, but the old "git://git.kernel.org/pub/scm/linux/kernel/git/romieu/linux-firmware.git" is a broken link.

I have searched the new git url for dowload the firmware of realtek. The commands that I have tested (and works very well) are:

git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
sudo cp -r linux-firmware/rtl_nic/ /lib/firmware/
sudo update-initramfs -u

and

rm -rf linux-firmware

For deleting the directory that git has downloaded.

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For Debian, I run the following command, and it really works:

apt-get install linux-firmware-nonfree
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It seems that the linux firmware package is corrupt, I solved this issue in ubuntu 13.04 by

sudo apt-get purge linux-firmware

and

sudo apt-get install linux-firmware
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http://hvaara.com/possible-missing-firmware-issue-on-debian-and-ubuntu/

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2  
Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – fossfreedom Sep 30 '12 at 9:41

The file /lib/firmware/rtl_nic/rtl8105e-1.fw is in the package firmware-realtek

You need to run following command. Open terminal Ctrl + Alt + T :

sudo apt-get install firmware-realtek
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