Weird... Could you try the following? - Remove /lib/firmware/updates again, mkinitrd, and confirm that you get the unbootable state again - Boot with nomodeset, then run % unxz -f /lib/firmware/amdgpu/picasso*.xz mkinitrd, reboot and check whether it works now (In reply to Karl Mistelberger from comment #35) > (In reply to Takashi Iwai from comment #34) > > Hmm. The latest TW kernel-firmware package contains 20.40, so this should > > have triggered the same problem. > > > > Could you confirm the following? > > - Remove /lib/firmware/updates/* > > - Install again the latest TW kernel-firmware (20201008) > > - mkinitrd and reboot > > Boot fails. > > > If this shows the boot problem, try to put picasso 20.40 firmware again > > /lib/firmware/updates, mkinitrd and retest. > > Boot works. :-) Weird... Could you try the following? - Remove /lib/firmware/updates again, mkinitrd, and confirm that you get the unbootable state again - Boot with nomodeset, then run % unxz -f /lib/firmware/amdgpu/picasso*.xz mkinitrd, reboot and check whether it works now