"W: Possible missing firmware"

[Volker Wysk]

Hello!

I found this in my /var/log/apt/term.log:

...
Processing triggers for linux-image-5.19.0-45-generic (5.19.0-45.46~22.04.1)
...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.19.0-45-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/aldebaran_cap.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/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
...

Those messages should appear when doing "sudo apt full-upgrade", but they
are logged here instead, because of unattended-upgrades or something like
that.

I have an AMD-based graphics card, a "Sapphire Pulse Radeon RX 550 4GD5
(Lexa XT)".

Can anyone tell me what's up? I have the suspicion that this is related to
my jerky video playback problem.

Ubuntu 22.04.2.

TIA
Volker
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