Ludovic Courtès <l...@gnu.org> skribis: > Yeah. One possibility is timing: (restart-service 'guix-daemon) kills > the daemon’s process group, waits for the group leader to terminate, > then starts the daemon. I think there’s a possibility that other > processes in the group (like a ‘guix substitute’ child) are still alive > at that point and they might be the one keeping the device busy. > Sleeping for a couple of seconds should allow us to kinda verify that > hypothesis.
For good measure, I threw a retry loop in commit 61b7e9687757aff013b99e4ab15669a950c8b222. The test passes on my laptop and it passed on ci.guix as well: https://ci.guix.gnu.org/eval/31297 I’m considering the case closed and now getting ready for 1.4.0rc2. Ludo’.
