Hi Marius and Guix, > To make the glibc 2.28 locales available and get rid of this warning for > packages you haven't updated yet, add this to your configuration and > reconfigure: > > (locale-libcs (list glibc-2.28 (canonical-package glibc))) That did the trick, thank you. > This is . Can you see if the mentioned fix works for you? I added urandom-seed to the services for this system, but reconfigure failed because I use the desktop-services as a base, which includes urandom-seed as a service from base-services. The reconfigure and reboot did not hang this time, though. Everything else I use looks good, thanks! John