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Date:      Thu, 19 Feb 2015 07:47:36 +0100
From:      Milan Obuch <freebsd-arm@dino.sk>
To:        Oleksandr Tymoshenko <gonzo@bluezbox.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Raspberry Pi Videocore interfaces question - Raspberry Camera
Message-ID:  <20150219074736.7bf9b106@zeta.dino.sk>
In-Reply-To: <A3915A66-84E6-4F4D-B947-7AC369BDB0C0@bluezbox.com>
References:  <20150216083503.7789c619@zeta.dino.sk> <0B74DE06-1F46-49E0-B27D-EABFAB1104E3@bluezbox.com> <20150216101651.630cfc2b@zeta.dino.sk> <CAJwjRmROhyk9k7-sC=VRV0wikZj9HO2Vv66M7ZY7h_Kv3tPBKg@mail.gmail.com> <20150219001203.7a1ae3e9@zeta.dino.sk> <A3915A66-84E6-4F4D-B947-7AC369BDB0C0@bluezbox.com>

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On Wed, 18 Feb 2015 15:46:27 -0800
Oleksandr Tymoshenko <gonzo@bluezbox.com> wrote:

> > On Feb 18, 2015, at 3:12 PM, Milan Obuch <freebsd-arm@dino.sk>
> > wrote:
> >=20
> > On Mon, 16 Feb 2015 10:20:20 +0100
> > Mika=C3=ABl Urankar <mikael.urankar@gmail.com> wrote:

[ snip ]

> >> Hi,
> >>=20
> >> I've made a port for raspberrypi-userland based on NetBSD one:
> >> http://mikael.urankar.free.fr/FreeBSD/raspberrypi-userland.shar
> >=20
> > Hello,
> >=20
> > I was able to build and install this port with no trouble, but it
> > does not work for me. As I am interested now in camera, I tried
> > raspistill first, which gives me following
> >=20
> > assertion
> > failure:/usr/ports/misc/raspberrypi-userland/work/gonzoua-userland-11ff=
c75/interface/vmcs_host/vc_vchi_dispmanx.c:200:vc_vchi_dispmanx_init():succ=
ess
> > =3D=3D 0
> >=20
> > While it does clearly indicate where the error occurs, I have
> > absolutelly no idea now what could be wrong and how to fix it.
> > So if you think you know what I should try, please let me know.
> >=20
> > Just if it could be relevant - I used 11-CURRENT r278801, kernel is
> > stock RPI-B. In my /etc/src.conf I have following options set:
>=20
> I do not have device handy to test it right now but I=E2=80=99ll do it so=
on.
>=20
> For now could you try /opt/vc/src/hello_pi/hello_dispmanx to check if
> it works?
>

Unfortunatelly I can't - I used Mika=C3=ABl's port to compile the 'userland'
utilities and examples are not compiled and for some reason my attempt
to compile them failed. I'll investigate this if time permits.

> Also how much memory did you assign to GPU? I saw OpenGL ES
> stuff failing to initialized due to low GPU memory. May be it=E2=80=99s t=
he
> case with camera too?=20
>=20

Yes, that's definitely the case. After some guesswork and testing I
found minimum GPU for camera is 128 MB. It is still not working, but
fails in other way.

raspistill -o test.jpg
mmal: mmal_vc_component_create: failed to create component
'vc.ril.camera' (1:ENOMEM) mmal: mmal_component_create_core: could not
create component 'vc.ril.camera' (1) mmal: Failed to create camera
component mmal: main: Failed to create camera component
mmal: Camera is not enabled in this build. Try running "sudo
raspi-config" and ensure that "camera" has been enabled

I have new board, the B+ one I will setup now, so I plan repeating
Raspbian setup I did already, just not with SD card but microSD, and I
will check what changes to videocore boot files in fat partition does
'sudo raspi-config'. Again, some time is necessary.

Thanks for all the help provided so far.

Regards,
Milan



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