Re: Fedora 21 Allwinner A10 Booting?

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For the benefit of others this is about booting this device without having serial console or a monitor to view first boot prompts.
On 14/12/14 11:27, Robert Moskowitz wrote:

On 12/13/2014 01:52 AM, Robert Brown wrote:

On 08/12/14 22:36, Robert Moskowitz wrote:
On 12/08/2014 06:30 AM, Robert Brown wrote:
On 08/12/14 22:11, Robert Moskowitz wrote:
On 12/08/2014 05:16 AM, Robert Brown wrote:
Thanks for the reply.
On 08/12/14 14:43, Peter Robinson wrote:
On Fri, Dec 5, 2014 at 10:57 PM, Robert Brown <rebrown@xxxxxxxxxxxxxx> wrote:
Anyone working on a FC21 image for the A10? My device does not give me access to a serial monitor so am hoping to change the dtb file for the A10
on a remix build and get this unit booting on 3.17.
Thanks
You don't mention what your device is but a change in the .dtb won't
fix the lack of display, there's a complete lack of driver,
Yes my wording could have been better.
Changing the .dtb was only about getting the device to boot as I realise hdmi is not yet ready. The device is a Rikomagic MK802II. Booting it headless with 3.17 is my aim but the soldering job for a serial console is a challenge beyond my soldering skills - see http://www.rikomagic.co.uk/forum/viewtopic.php?f=6&t=2488 so am hoping some-one with a compatible device such as Mele A1000 or CB1 could develop an image. A howto for the build and to get wireless configured for an ssh connection is an alternative.

You could just try booting without serial console if you provide --norootpass on building the SD card. SSHD permits logging in as root, just don't do this on the Internet, as you are sitting wide open!
I think I would need to manually configure and select my local network SSID and passphrase to get it on the network so I can ssh to it. A new world for me under systemd.

After first boot, you can see what interface name it used, the create an appropriate ifcfg- file. They still work.


Thinking about the firstboot script the only really needed things it does is set the timezone and root password. You can add your user after logging in as root.

I would suspect that if no serial console, it just comes up as ready as possible. All you need is your WiFi to be working; that is a pretty big assumption. You might have to get a supported ethernet dongle.
As above.

What has happened in booting without a serial console so far?
I am running blind so I either see a new connection open up when I do an nmap search from my PC or more likely there is no new connection for the reasons I mention. The real trick is to know if I have even had a successful boot.

What else are you going to do right now but try?
So on my attempts using Fedora-LXDE-armhfp-21-5-sda.raw.xz written to the sdcard using the manual instructions here https://fedoraproject.org/wiki/Architectures/ARM/F21/Installation
including writing the appropriate u-boot to the media

and setting up wpa using tips from http://wiki.centos.org/HowTos/Laptops/WpaSupplicant with edits of /etc/wpa_supplicant/wpa_supplicant.conf and /etc/sysconfig/network-scripts/ifcfg-wlan0

Do you know what ethernet name is being used? Since your WiFi is a USB dongle, there are a lot of possiblities. All the more reason for journalctl.

If you know the MAC address you can create:

/etc/udev/rules.d/70-persistent-net.rules

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="02:c3:04:01:77:c3", ATTR{type}=="1", KERNEL=="eth*", NAME="wlan0"

This will 'fix' the name you need for ifcfg-wlan0
I will have ago at this but atm I don't think I am getting far into the boot. Certainly does not seem to be logging in. Not sure if networking can be enabled prior to login to allow ssh connection.

I don't believe the boot is getting very far as messages in /var/log is empty.

No /var/log/messages anymore. It is all journalctl. Look in that directory.

From my reading on journalctl I have not seen how to view any logs it may have created. /var/log contains a folder named journal but this is also empty so maybe same conclusion.

Maybe because I am not yet logged in. Tried setting autologin in lxdm.conf.

Would not know about lxdm.conf
Yes I have considered using Minimal or xfce instead.

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