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From: "Harris, James R" <james.r.harris@intel.com>
To: "Gonzalez Monroy, Sergio" <sergio.gonzalez.monroy@intel.com>, "Thomas
 Monjalon" <thomas.monjalon@6wind.com>, "users@dpdk.org" <users@dpdk.org>,
 "dev@dpdk.org" <dev@dpdk.org>, "Richardson, Bruce"
 <bruce.richardson@intel.com>
CC: "Verkamp, Daniel" <daniel.verkamp@intel.com>
Thread-Topic: [dpdk-dev] [dpdk-users] rte_zmalloc() returning non-zeroed
 memory on FreeBSD
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Date: Tue, 16 Aug 2016 22:54:53 +0000
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Subject: Re: [dpdk-dev] [dpdk-users] rte_zmalloc() returning non-zeroed
 memory on FreeBSD
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> -----Original Message-----
> From: Gonzalez Monroy, Sergio
> Sent: Tuesday, August 16, 2016 12:37 AM
> To: Harris, James R; Thomas Monjalon; users@dpdk.org; dev@dpdk.org;
> Richardson, Bruce
> Cc: Verkamp, Daniel
> Subject: Re: [dpdk-dev] [dpdk-users] rte_zmalloc() returning non-zeroed
> memory on FreeBSD
>=20
> On 15/08/2016 18:23, Harris, James R wrote:
> >

<snip>

> > The problem is that the FreeBSD contigmem driver does not re-zero the
> huge
> > pages each time they are mmap'd - they are only zeroed when contigmem
> > initially loads.  I will push a patch for this shortly.
>=20
> So that is the case where we run the app more than once, right?
> I missed that, I only ran it once.

Correct - it works OK the first time.  The problem only occurs if you run t=
he app
more than once (unless you unload and reload contigmem before running the
app a second time).

-Jim