Hello, Leo Famulari <l...@famulari.name> skribis:
> On Thu, Dec 21, 2017 at 10:10:29AM +0100, Ludovic Courtès wrote: >> >> The attached patch does the trick, AFAICS: >> > >> diff --git a/gnu/services/base.scm b/gnu/services/base.scm >> index acc5c33f5..7fc8f6aa7 100644 >> --- a/gnu/services/base.scm >> +++ b/gnu/services/base.scm >> @@ -529,7 +529,10 @@ in KNOWN-MOUNT-POINTS when it is stopped." >> (list (shepherd-service >> (documentation "Preserve entropy across reboots for /dev/urandom.") >> (provision '(urandom-seed)) >> - (requirement '(file-systems)) >> + >> + ;; Depend on udev so that /dev/hwrng is available. >> + (requirement '(file-systems udev)) >> + >> (start #~(lambda _ >> ;; On boot, write random seed into /dev/urandom. >> (when (file-exists? #$%random-seed-file) > > Yes, it seems to work for me. Great, I’ve pushed the whole series. > I'm unsure if the stop action of urandom-seed-service is being executed > on shutdown. > > I added some print statements and sleep delays to the stop action but > the system halts faster than I expected and I don't see any writes to > /var/lib/random-seed. /var/lib/random-seed is definitely being updated on shutdown on my system, as can be seen from its mtime. Thanks, Ludo’.
