| Re: [chrony-users] Chrony vs. Linux RNG |
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On Mon, Apr 23, 2018 at 11:52:00AM +0200, Holger Hoffstätte wrote:
> Gentoo using OpenRC, chronyd 3.3. It uses start-stop-daemon and it
> was definitely chronyd hanging the boot sequence; for tests I disabled
> chronyd from the default runlevel and all was back to smooth sailing.
> Since s-s-d relies on chronyd going into the background, the temporary
> fix was to add the --background flag to s-s-d so that OpenRC returns
> immediately.
Ok, if it is blocking before the foreground process exits, that
probably means it's not due to NTP, but something else is using random
numbers, e.g. a timer is added to the scheduler.
> I found in util.c that it *should* be using getrandom() already?
It should and that's probably why it is blocking. If you disable
HAVE_GETRANDOM, it should stop.
--
Miroslav Lichvar
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