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en:xu3_ubuntu_release_note_20150710 [2015/07/11 09:32] mdrjr created |
en:xu3_ubuntu_release_note_20150710 [2016/03/03 16:50] (current) odroid [GPU acceleration on the Chromium Web browser] |
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| + | ====== Release Note of Ubuntu 15.04 (v1.1) ===== | ||
| + | ---- | ||
| + | ===== Summary ===== | ||
| + | || Release Date | 2015-07-10 || | ||
| + | || Release Type | Update Release || | ||
| + | ===== New updates ===== | ||
| + | * Official US West Coast: [[http://odroid.in/ubuntu_15.04]] | ||
| + | * Official US East Coast: [[http://east.us.odroid.in/ubuntu_15.04]] (Thanks to David Beauchamp @ ArchLinuxARM) | ||
| + | * Official EU Germany: [[http://de.eu.odroid.in/ubuntu_15.04]] | ||
| + | * Official Korea Mirror: [[http://dn.odroid.com/5422/ODROID-XU3/Ubuntu/]] | ||
| + | ===== New from previous versions ===== | ||
| + | * Ubuntu 15.04 | ||
| + | * Kernel 3.10.82 | ||
| + | * Fixed SPI Clock speed problem | ||
| + | * Fixed the random reboot issue in the power-off process | ||
| + | * Fixed non-working UHS-1 SD-card mode if OS reboot | ||
| + | * Added Notro fbtft driver | ||
| + | * Enabled Triple buffering | ||
| + | * Add support to force the following resolutions on boot.ini: 1280x800, 1440x900, 1080p50hz, 640x480, 720x480, 720x675 and 800x600 | ||
| + | * Enabled more CPU governors modes. Performance, Interactive, Conservative, OnDemand and PowerSave. Default governor can be selected on boot.ini | ||
| + | * Preparations to support XU4 | ||
| + | |||
| + | ===== Known issues ===== | ||
| + | * Mali r5p1 driver has an issue on eglConfigAttrib preventing some applications to run properly. | ||
| + | * OpenGL ES 3.1 API doesn't work yet | ||
| + | * Mali fbdev performance is still very low. | ||
| + | * Tons of issues unsubscribed. :-x | ||
| + | |||
| + | |||
| + | ===== GPU acceleration on the Chromium Web browser ===== | ||
| + | |||
| + | Edit /etc/chromium-browser/default like this:\\ | ||
| + | <code> | ||
| + | CHROMIUM_FLAGS=" --use-gl=egl --ignore-gpu-blacklist --disable-accelerated-2d-canvas --num-raster-threads=2" | ||
| + | </code> | ||
| + | |||
| + | You can see much smoother HTML rendering. | ||
| + | Try this link to test the Webgl on the ODROID. | ||
| + | [[http://helloracer.com/racer-s/|Webgl demo]] | ||
| + | |||
| + | Tip: When you exit the full-screen mode, the screens goes just black from time to time.\\ | ||
| + | Press "Ctrl-Alt-F2" and "Ctrl-Alt-F7" as a workaround. \\ | ||
| + | **Update**\\ | ||
| + | The black screen issue has been resolved with the Kernel update of 3.10.92 or higher. | ||
| + | |||
| + | **Update** \\ | ||
| + | If you use the latest Chromium Ver 43 or higher, the hardware acceleration doesn't work if you don't enable it manually. \\ | ||
| + | Enter this in the URL box of the Chromium. <code>chrome://settings/</code> | ||
| + | And click "Show advanced settings..." in the bottom side. \\ | ||
| + | Check "System - Use hardware acceleration when available" and restart the Chromium.\\ | ||
| + | |||
| + | |||
| + | |||
| + | ===== Kodi crashing when exit ===== | ||
| + | |||
| + | The Kodi(xbmc) crashes when exit. | ||
| + | |||
| + | Workaround : Open a virtual terminal (ctrl-alt-F2) and kill it. | ||
| + | |||
| + | * killall -9 kodi.bin | ||
| + | |||
| + | And return to desktop (ctrl-alt-F7) | ||
| + | ===== Source Code ===== | ||
| + | All source code used can be found here: https://github.com/mdrjr/5422_BSP | ||
| + | |||
| + | ===== Linux Kernel ===== | ||
| + | **This guide is only for the NATIVE BUILD.** | ||
| + | <code> | ||
| + | $ git clone --depth 1 https://github.com/hardkernel/linux -b odroidxu3-3.10.y | ||
| + | $ cd linux | ||
| + | $ make odroidxu3_defconfig | ||
| + | $ make -j9 | ||
| + | $ sudo make modules_install | ||
| + | $ sudo cp arch/arm/boot/zImage /media/boot | ||
| + | $ sudo cp arch/arm/boot/dts/exynos5422-odroidxu3.dtb /media/boot | ||
| + | </code> | ||
