[Rock-dev] Corba Problem

[Jan Christian Albiez]

Hoi!

Am 12.11.2014 um 05:26 schrieb Janosch Machowinski <Janosch.Machowinski at dfki.de>:
> I only encountered the GIOP 1.2 error if the RTT versions differed.
> You are connecting an ARM to an X86. Might it be that you hit an
> issue there ?

I have to look more closely into that. Thanks for the hint.

> Does it work if you connect Laptop -> Laptop and Beagle -> Beagle ?

That works absolutely flawless. 

I had problems with the endpoint setup of the orb initially, but I could solve that.

blue skies
	Jan

> 
> Am 11.11.2014 um 20:13 schrieb Jan Christian Albiez:
>> Hoi!
>> 
>> Here in the land of sun, sea, and bureaucracy we are connecting a Beaglebone Black with a laptop via ethernet. On the beagle a debian arm is running, the laptop is classical debian i386.
>> 
>> After some network interface troubles we encountered the following error, when trying to connect a rock deployment to an other rock deployment already running on the other system:
>> 
>> 1: debian at arm:~/rock-robotics/tutorials/orogen/message_consumer_deployment$ ruby scripts/teste.rb
>> 2: 0.146 [ Warning][Thread] Lowering scheduler type to SCHED_OTHER for non-privileged users..
>> 3: 0.148 [ Warning][Activity] Lowering scheduler type to SCHED_OTHER for non-privileged users..
>> 4: Orocos[WARN]: cannot determine the default logger name for process faster_message_consumer
>> 5: omniORB: From endpoint: giop:tcp:[::ffff:192.168.7.1]:36210. Detected GIOP 1.2 protocol error in input message. giopImpl12.cc:885. Connection is closed.
>> 6: Orocos[WARN]: killing running task contexts and deployments because of unhandled exception
>> 7: (...)
>> 
>> The important point is in line 5. Here the onmiORB connection commits suicide. After some digging I found out [1], that this most likely is a problem in the onmiorb implementation. An that it will be fixed in the next version.
>> 
>> Well all the debian based distributions are still at omniORB Version 4.1.6 (which is 3 years old by the way), whereas the current version is 4.2.0. Since two weeks there is a packaged 4.2.0 in debian sid. 
>> 
>> But before I start and recompile the thing for the current debians i386 and arm, I would like to ask here if anybody else encountered this problem and solved it in a different way. I don't want to spend time on something just because I am to stupid to see the real problem.
>> 
>> blue skies	
>> 	Jan
>> 
>> 
>> [1]: 
>> http://www.omniorb-support.com/pipermail/omniorb-list/2013-May/031412.html
>> 
>> 
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> 
> 
> -- 
> Dipl. Inf. Janosch Machowinski
> SAR- & Sicherheitsrobotik
> 
> Universität Bremen
> FB 3 - Mathematik und Informatik
> AG Robotik
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> 28359 Bremen, Germany
> 
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> 
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-- 
Dr. Jan Christian Albiez 
Senior Researcher - Brasilian Relation

DFKI Bremen 
Robotics Innovation Center
Robert-Hooke-Straße 1, 28359 Bremen, Germany

Zentrale: +49 421 178 45 0
Email:     jan.albiez at dfki.de

Further Information: http://www.dfki.de/robotics
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