Generally that /etc/initramfs-tools/initramfs.conf file you may need to change COMPRESS=lz4 to COMPRESS=gzip
Save the changes then:
and reboot.
I changed my system to kubuntu and I get another error when I press the command:
update-initramfs: Generating /boot/initrd.img-6.5.0-35-generic
W: Possible missing firmware /lib/firmware/amdgpu/ip_discovery.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/vega10_cap.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_cap.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/navi12_cap.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/psp_13_0_6_ta.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/psp_13_0_6_sos.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/aldebaran_cap.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/aldebaran_sjt_mec2.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/aldebaran_sjt_mec.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/gc_9_4_3_rlc.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/gc_9_4_3_mec.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/gc_11_0_0_toc.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/sdma_4_4_2.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes1.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/sienna_cichlid_mes.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/navi10_mes.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/gc_11_0_3_mes.bin for module amdgpu
W: Possible missing firmware /lib/firmware/amdgpu/vcn_4_0_3.bin for module amdgpu
Where can I get these files?
git.kernel.org
Is this a place to look?