Release Note of Ubuntu 20.04 LTS (v4.1)

Summary

Release Date	2021-01-20
Release Type	Update

File name : ubuntu-20.04-3.16-mate-odroid-c2-20210120.img.xz

Official US West Coast: http://odroid.in/ubuntu_20.04lts
Official US East Coast: http://east.us.odroid.in/ubuntu_20.04lts (Thanks to David Beauchamp @ ArchLinuxARM)
Official EU Germany: http://de.eu.odroid.in/ubuntu_20.04lts
Official Korea Mirror: http://dn.odroid.com/S905/Ubuntu

Updated to LTS Kernel 3.16.82
Support WIFI 5B
Improved Bluetooth support

Ubuntu to 20.04
OpenGL ES2 enabled Qt5 library
OpenGL ES2 enabled SDL library

The RootFS Auto-resize feature has changed! No need for power cycling, resize will happen on background in the first booting process.
xorg.conf changed places to: /usr/share/X11/xorg.conf.d/99-odroidc2.conf
To change CPU governor to “ondemand”, refer this guide
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.
To enable CEC feature, install “libcec” package manually.
```
sudo apt install libcec
```
To enable NFS feature in Kodi, install “libnfs” package manually.
```
sudo apt install libnfs11
```
To enable Auto-login, edit /usr/share/lightdm/lightdm.conf.d/50-slick-greeter.conf file like this.

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

NTP time syncing takes long time (sometimes around 1~2 minutes)
HDMI Screen Rotation: Forum guide
Chromium WebGL Support isn't working

Username		Password
root		odroid
odroid		odroid

target

sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo reboot

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.

target

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

target

$ git clone --depth 1 https://github.com/hardkernel/linux -b odroidc2-v3.16.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