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Date:      Tue, 12 Sep 2017 14:03:16 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 222256] RPI random number generator underruns when BCM2835_RNG_USE_CALLOUT is set
Message-ID:  <bug-222256-8-oMXkINo2UU@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-222256-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-222256-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222256

--- Comment #1 from Sylvain Garrigues <sylvain@sylvaingarrigues.com> ---
If I replace
                sc->sc_rnghz =3D hz / 100;
with
                sc->sc_rnghz =3D 175; /* or any other value > 175 */

in
https://github.com/freebsd/freebsd/blob/master/sys/arm/broadcom/bcm2835/bcm=
2835_rng.c#L461

the underruns disappear.

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