On Mon, Dec 04, 2023 at 09:57:17AM +0100, Klaus Ethgen wrote: > Package: firmware-realtek
> Version: 20230625-1
> Severity: critical
>
> After update from 20230515-3, the kernel is no longer able to find the
> firmware as debian moved it to /usr.
As you have identified, this is a result of Debian's implementation of merged
/usr.