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Unable to locate package ros-noetic-desktop-full on PI4 ubuntu focal

asked 2020-06-08 10:53:40 -0500

chm007 gravatar image

updated 2020-06-08 14:50:00 -0500

gvdhoorn gravatar image

Good morning,

I followed all the instructions. I have Ubuntu 20. Installed on raspberry pi4 when I run sudo apt install ros-desktop-full, I get the error above "Unable to locate package ros-noetic-full".

Please advise.

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What is the output of uname -rvmp and cat /etc/apt/sources.list.d/ros-latest.list?

Also:

I followed all the instructions

always link to any instructions you followed or are referring to.

We cannot know which instructions you've followed, and there are many.

And I just noticed:

when I run sudo apt install ros-desktop-full

that's actually not the correct package name.

get the error above "Unable to locate package ros-noetic-full".

And neither is ros-noetic-full.

Please do not paraphrase errors. Copy-paste them verbatim into your question.

We cannot help you otherwise.

gvdhoorn gravatar image gvdhoorn  ( 2020-06-08 12:21:25 -0500 )edit

Good Afternoon Thank you for your response. I was following the instruction posted here: http://wiki.ros.org/noetic/Installati...(Step:1.4) with the command sudo apt install ros-noetic-desktop-full and got the error E: Unable to locate package ros-noetic-desktop-full ....

To your follow-up question:

Output from uname -rvmp is :

5.4.0-1011-raspi #11-Ubuntu SMP Fri May 8 07:43:33 UTC 2020 aarch64 aarch64

Output from cat /etc/apt/sources.list.d/ros-latest.list is :

deb http://packages.ros.org/ros/ubuntu focal main
chm007 gravatar image chm007  ( 2020-06-08 12:56:21 -0500 )edit

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answered 2020-06-08 14:33:34 -0500

gvdhoorn gravatar image

updated 2020-06-08 14:39:31 -0500

According to status_page/ros_noetic_ufv8.html?q=desktop, the binary packages for arm64 of desktop_full are not building right now.

It is released, but the red squares indicate the binaries are missing, which typically means the build is failing for some reason.

A look at the release job seems to indicate that two packages which desktop_full depends on fail to build:

And from looking at their dependencies, it would seem gazebo_ros_pkgs and gazebo_ros_control isn't building on arm64 at the moment.

I haven't checked why that is the case, but it would seem that's why ultimately desktop_full is not available.

If you don't absolutely need Gazebo -- and I doubt it would make sense to run Gazebo on an RPi, even a 4 -- then you could install something other than desktop_full, something which doesn't include the simulators metapackage.

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Okay thank you. So should I guess I just have to wait for that to be functional then. Should I try back in 2 days or would it be linger than that?

chm007 gravatar image chm007  ( 2020-06-08 14:43:25 -0500 )edit

Without looking at the reason for the build failure I can't say whether 2 days is enough.

If you'd like to know, I would encourage you to take a look at the issue tracker of gazebo_ros_pkgs. There may already be an issue open to track this.

And it will always go faster if more people help.

gvdhoorn gravatar image gvdhoorn  ( 2020-06-08 14:49:34 -0500 )edit

Will do. Thanks.

chm007 gravatar image chm007  ( 2020-06-08 15:02:34 -0500 )edit

But you do want to run Gazebo on an RPi then?

gvdhoorn gravatar image gvdhoorn  ( 2020-06-08 15:06:57 -0500 )edit

I am looking to use ROS powered RPlidar borax, new territory for me..do you think I would have use for Gazebo for this?

Regards

chm007 gravatar image chm007  ( 2020-06-08 17:37:15 -0500 )edit

Gazebo is a physics based robot simulator.

To use a rpilidar, I don't believe you'll need a simulator.

Or at least: you most likely don't need to run a simulator on your RPi.

gvdhoorn gravatar image gvdhoorn  ( 2020-06-09 01:55:54 -0500 )edit

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Asked: 2020-06-08 10:53:40 -0500

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Last updated: Jun 08