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I would like to know what this means and how it can be solved. I ran the following lines:

sudo apt-get update

sudo apt-get install

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libreoffice-gtk linux-headers-4.15.0-32 linux-headers-4.15.0-32-generic
  linux-image-4.15.0-32-generic linux-modules-4.15.0-32-generic
  linux-modules-extra-4.15.0-32-generic
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 28 not upgraded.

sudo apt-get upgrade

Processing triggers for initramfs-tools (0.122ubuntu8.12) ...
update-initramfs: Generating /boot/initrd.img-4.15.0-34-generic
W: Possible missing firmware /lib/firmware/i915/kbl_guc_ver9_14.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_ver8_7.bin for module i915

How can it be solved?

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I suggest that you update linux-firmware to version 1.173. Please open a terminal and do:

wget http://mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.173_all.deb
sudo dpkg -i linux-firmware*.deb

Reboot and check if the error is resolved:

dmesg | grep -i firm
  • You don't even know if he needs those drivers. – Ken Sharp Sep 20 '18 at 6:17
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    @KenSharp I do know this: his system complains about it, my system, also using an i915 video device, does not. The linux-firmware package included with Ubuntu 18.04 is version 1.173 which includes those exact files: packages.ubuntu.com/bionic/all/linux-firmware/filelist Finally, I am quite confident that after the proposed solution is implemented, the warnings will no longer appear. – chili555 Sep 20 '18 at 11:56
  • My system complains and doesn't use i915. So like I said: you have no idea. You're making assumptions and wasting the user's time installing unnecessary packages. – Ken Sharp Sep 20 '18 at 13:49

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