From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Hutchings <ben@decadent.org.uk>
Subject: Re: virtio-rng only returns zeros with CONFIG_HW_RANDOM=m
Date: Wed, 27 Feb 2013 03:40:37 +0000
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References: <20130224231154.GA30477@hall.aurel32.net>
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Cc: Aurelien Jarno <aurelien@aurel32.net>, kvm@vger.kernel.org,
	Ian Molton <ian.molton@collabora.co.uk>,
	Matt Mackall <mpm@selenic.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Jens Axboe <axboe@kernel.dk>
To: Rusty Russell <rusty@rustcorp.com.au>
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On Wed, 2013-02-27 at 10:43 +1030, Rusty Russell wrote:
> Aurelien Jarno <aurelien@aurel32.net> writes:
> > Hi,
> >
> > I have noticed that virtio-rng only returns zero for kernels >=3D 2.6.3=
3
> > built with CONFIG_HW_RANDOM=3Dm. This is a bit much too predictable for=
 a
> > random generator ;-).
>=20
> Wow.  Fortunately, all of SLES, RHEL, Ubuntu or Fedora set
> CONFIG_HW_RANDOM=3Dy.  What do they know that we don't?
>=20
> Oops, looks like Debian testing: config-3.2.0-4-amd64:CONFIG_HW_RANDOM=3D=
m
[...]

*Groan*.  I'll change the configuration for now, but trust this will be
fixed in virtio-rng later.  Thanks for letting me know.

Ben.

--=20
Ben Hutchings
Never attribute to conspiracy what can adequately be explained by stupidity=
.

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