[ros-users] [Discourse.ros.org] [OpenEmbedded] Meta-ros Kinetic runtime issue with roscore

[Lukas Bulwahn]

Hi Qnetjoe,

I would propose that you start as follows:

1. Get an understanding of yocto and bitbake following the Yocto Quick Start:
http://www.yoctoproject.org/docs/2.2.1/yocto-project-qs/yocto-project-qs.html
After stepping through that document, you should be able to build and start a small Linux image in the qemu emulator.

2. Build and run an image with ROS for the qemu emulator following the instructions at:
http://wiki.ros.org/hydro/Installation/OpenEmbedded

3. Build and run a minimal image for the Microzed board, using the microzed configuration provided
in the meta-xilinx layer at:
http://git.yoctoproject.org/cgit/cgit.cgi/meta-xilinx/tree/conf/machine/microzed-zynq7.conf?h=master
http://git.yoctoproject.org/cgit/cgit.cgi/meta-xilinx/tree/
By the way, I found this by searching on https://layers.openembedded.org/,
and it quickly linked me to:
https://layers.openembedded.org/layerindex/branch/master/machines/?q=Microzed

4. Combine what you learned in Step 2 and Step 3, and build an image
with ROS for the Microzed board. When combining, you will probably need
to choose the build configuration that is a compromise between the build
configurations you used in step 2 and in step 3. This will then probably need
certain adjustments in meta-ros.

Here some further advice:

- Get a build machine with a lot of CPU power, RAM and a SSD disk to
build images much quicker. You will not get away with some laptop
and some Linux virtual machine. when bitbaking the images.

- Report issues you encounter on the meta-ros github issue tracker. Please
always provide at least the build configuration you use, and possibly even
the bblayers.conf file, so that others can reproduce the reported issue.

I hope this helps.

Lukas






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