Upon running guix home reconfigure, the program gets up to the point where it prints "Finished updating symlinks.", then hangs for 15-20 minutes, and eventually prints

Loading /gnu/store/i5bkj6pkw0x5im3wmfkcr2774ba9afmr-shepherd.conf.

Daemonizing...

Restarting signal handler.

herd: error: exception caught while executing 'daemonize' on service 'root':

Attempt to suspend fiber within continuation barrier

Comparing /gnu/store/rdbwr1m4fwrisn89hmimr9jx98pq5spg-home/profile/share/fonts and

          /gnu/store/rdbwr1m4fwrisn89hmimr9jx98pq5spg-home/profile/share/fonts... done (same)

Evaluating on-change gexps.

On-change gexps evaluation finished.

I'm on commit 4c1fda6f13c8697b9de3132a3131f914c5c97acb on the emacs-team branch.