Release Note of Ubuntu 16.04 LTS (v2.3)

File name : ubuntu64-16.04.2lts-mate-odroid-c2-20170301.img.xz

Note: OS will reboot on the first boot for automatic rootfs resize

• Official US West Coast: http://odroid.in/ubuntu_16.04lts
• Official US East Coast: http://east.us.odroid.in/ubuntu_16.04lts (Thanks to David Beauchamp @ ArchLinuxARM)
• Official EU Germany: http://de.eu.odroid.in/ubuntu_16.04lts
• Official Korea Mirror: http://dn.odroid.com/S905/Ubuntu

• GPIO Wakeup Feature Power Off and Wake Up using GPIO Key Button
• GPIO Mem driver is implemented to support the Rootless GPIO access: /dev/gpiomem

• Display Auto Detection Display Auto Detection using EDID
• GPIO Wakeup Feature Power Off and Wake Up using GPIO Key Button
• New dvfs table scheme to support Mainline Kernel development

• Kodi to 17.0
• libcec to 4.0
• Ubuntu to 16.04.2

• mySQL/KVM needs an editing of boot.ini file to change the system timer source to ARMv8 Architecture from the Meson. But the ARMv8 timer affects the VPU/GPU system accuracy.
• NTP time syncing takes long time (sometimes around 1~2 minutes)
• GPU acceleration should be enabled manually. Add below line into /etc/chromium-browser/default file.

  CHROMIUM_FLAGS=" --use-gl=egl --ignore-gpu-blacklist --disable-accelerated-2d-canvas --num-raster-threads=2"

• The root file system will be resized in the first booting process. OS will reboot automatically to complete the resizing process. This process must not be interrupted.
• To enable Auto-login, edit /usr/share/lightdm/lightdm.conf.d/60-lightdm-gtk-greeter.conf file like this.

  [Seat:*]
  greeter-session=lightdm-gtk-greeter
  autologin-user=odroid 

• If Kodi 17 isn't working fine for you, you can revert to 16.1 with the following steps.

  wget deb.odroid.in/old_kodi_c2/old_kodi.tar
  tar xf old_kodi.tar
  sudo dpkg -i *.deb

• sudo apt update && sudo apt upgrade && sudo apt dist-upgrade && sudo apt install linux-image-c2

• Available here: https://github.com/mdrjr/c2_bootini/blob/master/boot.ini

The current version only provide Linux kernel and U-boot source code. Here are the instructions to checkout the source code and build. For more detail information, please visit U-boot and Kernel.

This guide is only for the NATIVE BUILD.

$ git clone https://github.com/hardkernel/u-boot.git -b odroidc2-v2015.01
$ cd u-boot
$ make odroidc2_config
$ make

$ git clone --depth 1 https://github.com/hardkernel/linux -b odroidc2-3.14.y
$ cd linux
$ make odroidc2_defconfig
$ make -j5
$ sudo make modules_install
$ sudo cp arch/arm64/boot/Image /media/boot
$ sudo cp arch/arm64/boot/dts/meson64_odroidc2.dtb /media/boot

Run “git checkout jenkins-deb_s905_kernel-102” command to use the same kernel tag before “make odroidc2_defconfig”.

• Enabling Adjust Display Refresh Rate
• Enabling HDMI passthrough