Since 5.5 serie, I get a new error during the boot process; dmesg reports, > leds platform::micmute: Setting an LED's brightness failed (-19) Hardware is a Dell XPS 9343 laptop
Could you attach the dmesg log with "debug loglevel=8" added to grub ?
sure, attached
Created attachment 287961 [details] dmesg w/ debug loglevel=8