Thank you for taking the time to report this bug and helping to make Ubuntu better. This is not a bug but a harmless warning that can be ignored (as long as there are included firmware files). You can check with following command that amdgpu firmware files were added to the initramfs:
$ lsinitramfs /boot/initrd.img | grep amdgpu usr/lib/firmware/amdgpu usr/lib/firmware/amdgpu/aldebaran_mec.bin.zst usr/lib/firmware/amdgpu/aldebaran_mec2.bin.zst usr/lib/firmware/amdgpu/aldebaran_rlc.bin.zst [...] Feel free to continue to report any other bugs you may find. ** Changed in: initramfs-tools (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to initramfs-tools in Ubuntu. https://bugs.launchpad.net/bugs/1869673 Title: Updating initramfs - possible missing amdgpu firmware Status in initramfs-tools package in Ubuntu: Invalid Bug description: On a clean install of Ubuntu 20.04 the following messages are printed while updating the initramfs. update-initramfs: Generating /boot/initrd.img-5.4.0-18-generic W: Possible missing firmware /lib/firmware/amdgpu/navi12_gpu_info.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_gpu_info.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_asd.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_sos.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_asd.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_sos.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega20_ta.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_rlc.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_mec2.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_mec.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_rlc.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_mec2.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_mec.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_me.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_pfp.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_ce.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_sdma.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_sdma1.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_sdma.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi10_mes.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_vcn.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_vcn.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/navi12_smc.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/arcturus_smc.bin for module amdgpu I: The initramfs will attempt to resume from /dev/nvme0n1p2 I: (UUID=610d0eae-f18f-4d55-86a0-9cb12375dafb) I: Set the RESUME variable to override Checking in /lib/firmware/amdgpu/ I have a fair number of firmware files but those listed. I'm not sure if these are missing or not needed. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: initramfs-tools 0.136ubuntu2 ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24 Uname: Linux 5.4.0-18-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu21 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Mar 30 09:48:49 2020 InstallationDate: Installed on 2020-03-20 (9 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200320) PackageArchitecture: all SourcePackage: initramfs-tools UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1869673/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp