Hi Paul, Paul Garlick skribis: > Initially, with the AT_STATX_DONT_SYNC flag, the output is: > > $ failed: Invalid argument > > Then, without the AT_STATX_DONT_SYNC flag, the program runs and there > is no output. Great. Could you apply the following patch, run the daemon with: sudo -E ./pre-inst-env guix-daemon --build-users-group=… then run: guix gc -C42 and confirm that it works for you? Thanks! Ludo’.