I have also seen this on a netbook where I have never used "guix
system reconfigure"; I only ever use "guix deploy" from another
machine to upgrade that system.
This is the version of Guix used:
guix 9212459
repository URL: https://codeberg.org/guix/guix-mirror
branch: master
commit: 92124591eedf27e988c84f75acd4b4d99ff43122
rosenthal 5172fac
repository URL: https://codeberg.org/hako/rosenthal.git
branch: trunk
commit: 5172fac369025bc98cbfb925b728b2cae20ac2c5
The kernel is linux-libre-lts.
--
Ricardo