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4. Create Bootable Image on an SD Card

In order to replace the kernel on a device’s media, you will need to create a bootable device. Typically, a source

distribution will contain prebuilt binaries that can be loaded directly on to an SD Card. Loading a complete prebuilt

image enables you to make sure that the version works on your platform and allows you to replace only the kernel

instead of rebuilding the entire Android distribution from scratch.

Linaro provides these prebuilt binaries for its supported devices. The following instructions describe how to use

your development system to download the prebuilt images to a PandaBoard device and test that the PandaBoard

can boot and run Android without any issues.

1. Use Android 4.3.1 (Jelly Bean) for the PandaBoard from Linaro’s 13.10 release version. The specific

version can be found under the Linaro Engineering Builds on http://releases.linaro.org/13.10/android/

panda/. Download the following files to the development system to a known and accessible location, such

as your home directory:



boot.tar.bz2



system.tar.bz2



userdata.tar.bz2

2. Next, on the development system, install and update for the Linaro Image Tools:

$ sudo add-apt-repository ppa:linaro-maintainers/tools

$ sudo apt-get update

$ sudo apt-get install linaro-image-tools

3. Disable the automount so you can properly image your SD card:

$ dconf write /org/gnome/desktop/media-handling/automount false

$ dconf write /org/gnome/desktop/media-handling/automount-open false

4. To image your SD card, first find out what the device name is. Start by inserting your SD card and running:

$ dmesg

5. You should see something similar to the following at the end of your log:

sdb: sdb1 sdb2 sdb3 sdb4 < sdb5 sdb6 >

6. Navigate to the directory where the boot/system/userdata.tar.bz2 files were downloaded. Ensure that the

device above is indeed associated with your SD card (otherwise you can erase your hard drive) and create

the media using the Linaro imaging tools:

$ linaro-android-media-create --mmc /dev/sdc --dev panda --boot

boot.tar.bz2

–-system system.tar.bz2 --userdata userdata.tar.bz2

7. Next, install the graphics libraries to the device (do this immediately after creating the media, before

removing the SD card):

$ wget http://people.linaro.org/~vishalbhoj/install-binaries-4.0.4.sh

$ chmod a+x install-binaries-4.0.4.sh

$ ./install-binaries-4.0.4.sh