I'm encountering the same issue. As usual, I run "guix pull ---> guix home reconfigure ---> sudo guix system reconfigure ---> sudo reboot", but upon restarting, I got a filesystem repair prompt.

the /var/log/messages: https://pastebin.com/KE4XhfUH

the system config: https://pastebin.com/qcRzvYAb

the home config: https://pastebin.com/2XsGBtEt