Is this the correct approach? Even the systemd-udev-settle.service man pages recommends not using its service. Were the kernel modules really not loaded when rngd started? Or is the original problem just a matter of waiting for sufficient entropy?
On Fri, Sep 17, 2021 at 4:08 AM Claudius Heine <c...@denx.de> wrote: > rngd needs to start after `systemd-udev-settle` in order for the kernel > modules of the random source hardware to be loaded before it is started. > > However, since the `rngd.service` does not require or want > `systemd-udev-settle.service` it might not be scheduled for start and > the `After=systemd-udev-settle.service` there has no effect. > > Adding `Wants=systemd-udev-settle.service` provides a weak requirement > to it, so that the `rngd` is started after it, if possible. > > Signed-off-by: Claudius Heine <c...@denx.de> > --- > > Hi, > > this is a fix, which should probably be backported to the maintained > releases. > > regards, > Claudius > > meta/recipes-support/rng-tools/rng-tools/rngd.service | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/meta/recipes-support/rng-tools/rng-tools/rngd.service > b/meta/recipes-support/rng-tools/rng-tools/rngd.service > index 0559b97991..568686e80e 100644 > --- a/meta/recipes-support/rng-tools/rng-tools/rngd.service > +++ b/meta/recipes-support/rng-tools/rng-tools/rngd.service > @@ -3,6 +3,7 @@ Description=Hardware RNG Entropy Gatherer Daemon > DefaultDependencies=no > After=systemd-udev-settle.service > Before=sysinit.target shutdown.target > +Wants=systemd-udev-settle.service > Conflicts=shutdown.target > > [Service] > -- > 2.33.0 > > > > >
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