Ubuntu linux for 4412 - is it real?

Hello!

Did anybody install Ubuntu on 4412 board?
NanoPC images from 
http://forum.nanopc.org/viewtopic.php?f=3&t=851
with qtopia works well, but ubuntu images don't.

Yes. I am using the Ubuntu image on a super4412 board. The image works, but
without kernel sources, can't do what I want to do. Hoping they release the
source soon.

The steps I used: Used the SD-Card image to boot from SD. The instructions
say to use the tool that is included in the rootfs to write the image to
flash, but that method always failed.(something different between super4414
and nanoPC???) So instead I extracted the rootfs from the SD-image,
repackaged it with the img builder utility and then used minitools to write
it to the flash. Now I can boot from flash without problem. Burning to
flash takes close to 20 minutes and it seems very easy to corrupt the flash
(when inside Ubuntu) which then requires a reflash.

Also there were some permissioning issues once running Xubuntu from flash,
but were easily overcome with a little googl'ing.

I am using Xubuntu successfully with HDMI output but not yet working with
the HD700 LCD.

Hope this give you some hope.

Thanks for your answer!

Explain please your step: after you extract rootfs to empty dir which util
you used? What is "img builder"?

And which command line you used as bootargs in minitools?

The nanopc instructions say to run /UBUNTU_INSTALL/INSTALL when running
ubuntu from SD, in order to burn it to emmc. With the super4412 this
doesn't work... crashes the kernel with a message about 'scheduling while
atomic' which I think means that one of the kernelmode drivers is calling
'sleep' while an atomic function is going on. I get this instability quite
frequently trying use the nanopc ubuntu image on SD. frustrating that I
can't figure out what is causing it. Anyway, to get the rootfs onto the
emmc I took the rootfs.tar.gz that is present within /UBUNTU_INSTALL and
extracted on my linux host, and then repackaged it using the android tools
img builder utility (this is the format that minitools wants). Then I used
minitools to burn the zimage, bootloader and this new rootfs image directly
to emmc. Unfortunately it wasn't as stable as I needed (probably because it
was sourced from the same rootfs as the SD image or maybe I introduced
something unpleasant in my process.) Anyway I decided to build my own
kernel based on the hardkernel sources. Messing around with that now.  

This is the command line I flash from minitools:
root=/dev/mmcblk0p1 rootfstype=ext4 console=ttySAC0,115200n8 lcd=HD700
skipcali=y ctp=2 video=HDMI-A-1:1280x720M@60

Thanks for your answer! I hope, your kernel building will successful. :)

Hi, I am using flashed ubuntu to tiny 4412, but its working fine using hdmi
but my main concern is HD700 lcd. Is there any solution available so that
my touch lcd (HD700) starts working. Can I recompile the linux kernel.

Thanks alot