Hi,
The best option for OrangePi PC is to use Fedora 28 (yes I know is not
released yet, but images are available to test) and because has a
more recent kernel, HDMI works out of the box (no acceleration
thought), right now in my tests everything seams to work fine.
Nuno
On Wed, 2018-03-21 at 00:17 +0000, Peter Robinson wrote:
> Hi Fabian,
>
> > As Peter requested :-)
>
> Thanks for this, response and details in line.
>
> > During the last three weeks I attended two conferences. In India we
> > wanted to have actual hardware to allow the participants of the
> > training
> > to do their exercises and the attendees of the crypto currencies
> > village
> > see how it works.
>
> Interesting, is there details about the crypto currencies side of
> this
> somewhere?
>
> > I'm going to split it. Covering the Orange Pi devices here and the
> > Raspberry Pi and the UDOO Neo in another message.
> >
> > I decided to go with three Orange Pi Zero. They are easy to carry
> > around, have a physical NIC, are cheap and with a big powerbank we
> > were
> > able to survive the power outages with are happening from time to
> > time
> > there.
> >
> > Of course, we wanted to run Fedora but I ended up using Armbian. I
> > was
> > using fedora-arm-image-installer to create the cards.
> >
> > # fedora-arm-image-installer \
> > --image=Fedora-Server-armhfp-27-1.6-sda.raw.xz
> > --target=orangepi_zero --media=/dev/mmcblk0 --resizefs
> >
> > To get some feedback I connected a serial converter to the Orange
> > Pi
> > Zero. The output is visible but minicom doesn't allow me to log in
> > aka
> > doesn't accept any input no matter of minicom's settings. Same
> > result
> > with a different adapter. My guess is that it would work if you
> > know how
> > to do it as in a lot of cases it's the only way to get the details
> > or
> > perform the initial setup.
>
> The serial support here should just work, the AllWinner stuff has
> been
> pretty stable for ages and is basically the same across all devices.
> There have been reports of the Zero working just fine with serial
> consoles. I personally tend to use screen here because minicom's
> general attempts to init modems and the like has caused me problems
> in
> the past. "screen /dev/ttyUSB0 115200" should work, the only time
> I've
> ever had issues with RX and no TX was when then TX was pinned wrong.
>
> I would be very interested in debugging this with you if you have the
> interest.
>
> > According to the serial output the Orange Pi Zero should be
> > available
> > over the network. It doesn't show me its IP address but that's
> > fine. OK,
> > if are not using network which you have some sort of control over
> > it
> > then it would be handy if you get the IP address from the serial
> > output.
>
> Suggestions on how to implement this would be welcome, the server
> image does this already via cockpit.
>
> > In the meantime were three SD card ready with Armbian and I
> > stopped. The
> > reason is simple: Armbian is more plug-and-play than Fedora. The
> > initial
> > configuration can be done over SSH and I don't wanted to waste more
> > time
> > on getting Fedora running without any indication of success.
>
> There's an explicit reason we don't allow ssh before setting
> username/passwords, security. I've heard from another distro on a
> well
> known board which has a passwordless root login to allow config like
> this that their devices have been used in known bot nets. The general
> consenus here is that the best way to stop this is to force usernam
> creation and password setting on the console, else people tend to be
> lazy and leave it at the defaults. We have some functionality here
> with the --addkey= option of arm-image-installer which unlocks the
> root account and adds a ssh key. Suggestions on how to improve this
> experience while keeping a high level of security again would be
> welcome, or details of how armbian does it.
>
> > The next one was an Orange Pi PC. Reason to use was the HDMI output
> > which would make it possible to attach the unit to a projector.
>
> The H3 (all the H-series and A64 SoCs) don't have any level of
> upstream support for HDMI at all. In the 4.13 kernel that shipped
> with
> F-27 this would have been well over 100 non upstream (not even
> accepted upstream) patches to maintain across a number of kernel
> cycles and constantly rebase. Even when they do land upstream, some
> went into 4.16 and a lot more will be in 4.17, with luck this should
> be complete in 4.18, there won't be accelerated graphics to run with
> Workstation because the GPU is MALI and there's not yet an open
> driver
> for it. Best we'll be able to hope for in the medium future here is
> something like XFCE.
>
> > Workstation image instead of Server this time.
> >
> > # fedora-arm-image-installer \
> > --image=Fedora-Workstation-armhfp-27-1.6-sda.raw.xz \
> > --target=orangepi_pc --media=/dev/mmcblk0 --resizefs
> >
> > Device starts running, no graphical output. Perhaps broken...no,
> > works
> > fine with Armbian. Perhaps is the screen not playing nice with
> > Fedora.
> > Other screen, same result.
>
> There is no upstream support at all for HDMI, what kernel does
> Armbian
> use? It must be either a heavily patched upstream or a vendor BSP
> kernel.
>
> > Let's test the Orange Mini (that one is approx. the same age as the
> > Orange Pi PC). Same image, different target. After a couple of
> > seconds
> > the LED went on but not HDMI output.
>
> Same, I'm actually got on my list to look at the patch set for HDMI
> to
> give us basic text console output on 4.16 in F-28, I think to do that
> across H3/H5/A64 SoCs we're looking at around 60 patches on top of
> 4.16 across clock/gpu and other areas of the kernel. It's a lot to
> maintain, it's actually more than all our patches for ARM* combined
> ATM but should be mostly gone for 4.17. All those devices should work
> with serial console with network and USB though if that's deemed
> useful.
>
> Peter
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--
Nuno Dias <Nuno.Dias@gmail.com>
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