Ubuntu is not working with kernel version 3.10.17 on RIoT board.

I am getting the prompt through UART but it does not display anything on HDMI screen.

at uboot hit any key to stop booting ...

- type printenv

- check for bootargs value, it should show like this dev=hdmi

if not showing let us know.

Even while booting, if the HDMI cable is connected to the board, it does not boot and gets stuck at "Starting Kernel"

are you using a custom build or official images.

we have only yocto image with 3.10.17 kernel .

Thank you Tushar for replying.

This is what I am getting. I am using Yocto Image. I downloaded Mfgtools_SVN2777 and flashed it in eMMC.Previously I was using Mfgtools_SVN2487(kernel version 3.0.35) and was getting Ubuntu UI through HDMI. But with the Yocto Image, I am not getting anything through HDMI.

Hi,

I got my RiotBoard last week and found that Ubuntu works with the HDMI display fine.

However. I first tried using the RaspBerry PI HDMI to VGA converter to an old VGA monitor, which works fine with my RaspBerryPI as an X display. However the RiotBoard didn't display the default Android install (I thought I had a dead board!). After connecting it with a real HDMI cable to a real HDMI monitor it worked fine.

I found I could burn the SD Ubuntu image to an SD, set the switches and boot from that to display on the real HDMI monitor.

That may be worth a try in case it's a HDMI problem.

Ubuntu works with the HDMI display fine.

Hello Dave ! HDMI works fine with the Ubuntu Image provided by element14. But this version of Ubuntu has issues with camera. It is also an outdated version of Ubuntu with outdated kernel. For my project, I need the camera to work. So I flashed the kernel version 3.10.17 through Mfg tools. Previously it was version 3.0.35. Now the camera is working fine but the board does not display anything through HDMI. However if I stop the boot sequence at U-boot, I can see free scale logo through the same HDMI. I think there is some problem with the Image I am using. But I don't know how to fix it.

@Prakash Pali ,

     The first thing to I would do is go into packages  on the Ubuntu provide by Element 14 and enter:

sudo apt-get update

sudo apt-get upgrade

     sudo is not needed if you are root. Otherwise you need root password for sudo. Almost all images get out of date fast with fixes occurring nightly in some cases. A good thing to do periodically no matter what version/release you run.

Good luck and let us know,

clem

Hello Clem! That is the first thing anyone could do. I also did. But it seems some packages are missing in this version of Ubuntu and Ubuntu does not provide those packages for this version of Ubuntu. The Image that I found on element14 website has Ubuntu 11.04 with kernel version 3.0.35.

But it seems some packages are missing in this version of Ubuntu and Ubuntu does not provide those packages for this version of Ubuntu

ubuntu does provide the packages, it can be found in the old-releases repository of ubuntu.

in terminal copy/paste below.

 

    cat <<EOF >> /etc/apt/sources.list

    deb http://old-releases.ubuntu.com/ubuntu/ oneiric main restricted universe multiverse

    deb http://old-releases.ubuntu.com/ubuntu/ oneiric-updates main restricted universe multiverse

    deb http://old-releases.ubuntu.com/ubuntu/ oneiric-security main restricted universe multiverse

    EOF

 

then apt-get update && apt-get upgrade

things should work fine now.

I first tried using the RaspBerry PI HDMI to VGA converter to an old VGA monitor, which works fine with my RaspBerryPI

to connect Riotboard with VGA monitor you will need the LCD-ex & VGA connector module from element14

1. While booting if I press any key and go to U-boot, I can see freescale logo through the same HDMI.

2. If HDMI is plugged in even after it asks for pressing any button to go to U-boot, Ubuntu doesnot boot and stucks at starting kernel.

3. If I remove the HDMI cable and let it boot completely, It does not give any video output through HDMI after I reconnect the HDMI cable.

Here is the link

http://www.element14.com/community/community/designcenter/single-board-computers/riotboard/blog/2014/07/31/upgrading-riotboard-with-kernel-31017-linux-host

Files has been removed from this link but I found these files from Embest website (Yocto files- SVN2777)

http://www.embest-tech.com/shop/star/riotboard.html

Problem with the older Image is Camera does not take images properly.

Is there a way to use the above kernel with this older version of Ubuntu Image?