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Arbotix "[Errno 11] Resource temporarily unavailable"

asked 2015-06-14 03:16:23 -0500

wjvh gravatar image

Hello all - newbie here

This weekend I've been trying to put together a turtlebot_arm live on a turtlebot using a PhantomX Pincher. I've been using the latest forks as far as I can tell - and - as well as some of the advice here

I managed to get the system planning & executing with MoveIt and rviz with the arm floating in space, but as I was going back through the URDFs to clean up and attach the arm to the turtlebot, I've happened upon an error that's blocking comms and I can't find it anywhere online, when I run my modified turtlebot_bringup minimal.launch: "[Errno 11] Resource temporarily unavailable."

This error is shown right after the "ArbotiX connected" output of minimal.launch which would normally signal all OK to roslaunch turtlebot_arm_moveit_config and rviz.

It sounds like a hardware error but restarting/powering down the turtlebot PC and arbotix don't help, and my USB chmod 777 is fine as the Arbotix does connect before hitting the error.

Has anyone experienced this before?



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How are you powering the Pincher? As a test, you might try using a wall-wart to power it, just to eliminate any possible power issues. Also, it would be great if you can publish notes on this. I think you will be the first to mount the Pincher on the Turtlebot.

corb gravatar image corb  ( 2015-06-14 19:38:40 -0500 )edit

Thanks corb. I'm using a wall wart already, still waiting for my connectors to arrive for onboard power out here in Singapore! The problem started when I moved from turtlebot_arm to the corot fork so I will revert and try to trace the problem. Once I have a working solution I'm happy to detail here

wjvh gravatar image wjvh  ( 2015-06-15 11:33:11 -0500 )edit

Deleted and remade packages - problem solved.

wjvh gravatar image wjvh  ( 2015-06-24 09:51:07 -0500 )edit

Problem remains - swapping USB ports, powering on & off and use of chmod sometimes fixes it until the next session. Could be a driver problem - will continue to investigate. Anybody else having Errno 11 problems with a PhantomX pincher & ROS Indigo?

wjvh gravatar image wjvh  ( 2015-07-11 04:16:30 -0500 )edit

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answered 2016-04-16 12:02:46 -0500

wjvh gravatar image

Think I've managed to solve this - it has to do with whether the FTDI cable to the Arbotix is detected as USB0 or USB1. Once I started ensuring the Kobuki was plugged in after the FTDI, I stopped having the error.

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Perhaps you can use some suitable udev rules to make this easier to manage.

gvdhoorn gravatar image gvdhoorn  ( 2016-04-16 12:21:48 -0500 )edit

Good knowledge, thanks gvdhoorn - will do. Sometimes this error also seems to present as "maximum recursion depth exceeded" for some reason. If anyone else has this issue the above also works as a fix for me.

wjvh gravatar image wjvh  ( 2016-04-18 10:26:37 -0500 )edit

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Asked: 2015-06-14 03:16:23 -0500

Seen: 677 times

Last updated: Apr 16 '16