Tobias Geerinckx-Rice via Bug reports for GNU Guix 写道：
> My diff from linux-libre, which sure seems to tell a story:
>
> y -> not set  CONFIG_UID16 (obsolete)

As expected upthread, this and this alone was indeed the culprit. 
I don't see any evidence of interaction with other options though.

Kind regards,

T G-R