====== Release Note of Ubuntu 14.04.2 LTS (v1.4) =====
----
===== Summary =====
|| Release Date | 2015-03-20 ||
|| Release Type | Update ||
===== New updates =====

  * Ubuntu 14.04.2 Image - Download from [[http://odroid.in/ubuntu_14.04lts/ubuntu-14.04.2lts-lubuntu-odroid-c1-20150320.img.xz|Main server]] or [[http://dn.odroid.com/S805/Ubuntu/ubuntu-14.04.2lts-lubuntu-odroid-c1-20150320.img.xz|Mirror server]]
  * MD5SUM - Download from [[http://odroid.in/ubuntu_14.04lts/ubuntu-14.04.2lts-lubuntu-odroid-c1-20150320.img.xz.md5sum|Main server]] or [[http://dn.odroid.com/S805/Ubuntu/ubuntu-14.04.2lts-lubuntu-odroid-c1-20150320.img.xz.md5sum|Mirror server]]
==== Kernel Updates ====
  * Merged all 3.10 LTS patches up to 3.10.72
  * Integrated Wifi Drivers from 3.18 (Kernel Backports) (Fixes Wifi Module #4 compatibility issue)
  * Fixed kernel permissions on files required by Kodi 
  * Backported usb-serial-simple from upstream
  * Enable iSCSI support
  * A few DVB adapters that was disabled are now enabled
  * eCryptFS support
  * Enabled snd-aloop
  * Updated Mali GPU Kernel Drivers to r5p0
  * Changed our IR Control driver to use LIRC instead of AMLogic drivers. Refer to [[en:c1_lirc|this link]] for how to use a custom remote.
  * USB Gadget Support


==== Userspace Update ====
  * Updated all packages as 201503XX (Ubuntu 14.04.2 LTS)
  * All utilities/tools related to ODROID can now be upgraded using "apt-get update && apt-get dist-upgrade" that includes kernel. ODROID Utility shouldn't be used for kernel updates anymore.
  * Mali userspace binaries are updated to r5p0 from r4p0 / Full screen mode support.
  * Properly created udev rules for amlogic devices
  * HDMI Passthrough is now disabled by default. Can be enabled on ODROID Utility (You must enable Passthrough and Disable pulseaudio)
  * Kodi updated to 15.0 Isengard RC
  * HDMI Hotplug Detection can be controlled on boot.ini
  * CEC for modified boards can be enabled on boot.ini


===== GPU acceleration on the Chromium Web browser =====
This release supports the OpenGL ES accelerated Chromium Browser.
To use the acceleration, follow this instruction.
  - Run Chromium
  - Enter about:flags as URL.
  - Disable Override software rendering list (1st one).
  - Close the browser.
  - Run the chromium with the EGL parameter
  - Enter about:gpu as URL to double check the GPU acceleration configuration.
<code>
chromium-browser --use-gl=egl
</code>

You can see much smoother HTML rendering.
Try this link to test the Webgl on the ODROID.
[[http://oos.moxiecode.com/js_webgl/md5_test/|Webgl demo]]

===== Known issues =====
  * EXT2/4 file system can not be accessible on U-boot.
  * FAT16/32 can be supported on U-boot.
  * Tons of issues unsubscribed. :-x

===== Upgrade from 1.3 to 1.4 =====
  * Step 1: <code>
sudo apt-get update && sudo apt-get dist-upgrade && sudo apt-get upgrade
sudo rm -fr /etc/udev/rules.d/*odroid*
</code>

  * Step 2: Open ODROID Utility and use the following options:
  * 1. 4 Kernel Update -> Update udev rules
  * 2. 10 Pulse audio control -> Enable
  * 3. 8 Install LIRC
  * 4. 9 HDMI Passthrough -> Disable


===== The default boot.ini in V1.4 =====
  * Available here: https://github.com/mdrjr/c1_bootini/blob/master/boot.ini

===== How to checkout =====
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 [[en:c1_building_u-boot|U-boot]] and [[en:c1_building_kernel|Kernel]].

**This guide is only for the NATIVE BUILD.**
==== U-boot ====
<code>
$ git clone https://github.com/hardkernel/u-boot.git -b odroidc-v2011.03
$ cd u-boot
$ make odroidc_config
$ make
</code>
==== Linux Kernel ====
<code>
$ git clone https://github.com/hardkernel/linux -b odroidc-3.10.y
$ cd linux
$ make odroidc_defconfig
$ make uImage modules
$ make dtbs
$ sudo make modules_install
$ sudo cp arch/arm/boot/uImage /media/boot
$ sudo cp arch/arm/boot/dts/meson8b_odroidc.dtb /media/boot
</code>