Discussion:
[Rock-dev] [Rock-users] Unable to start component by ruby
Matthias Goldhoorn
2014-06-30 11:57:37 UTC
Permalink
I got the same on my xenomai version of rock.
I cc the rock-dev therefore.

If there noone give's a hint, i will take a look during this week...

Best,
Matthias



On 30.06.2014 13:50, Tavakoli Siavash wrote:
> Recreating and resourcing the env.sh didn't help. Irb outputs some additional info:
>
> NotImplementedError: method `backtrace' called on unexpected T_NODE object (0x00000002b56bf0 flags=0x381c klass=0x0)
> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
> from (irb):1
> from /usr/bin/irb1.9.1:12:in `<main>'
>
> Best,
> Siavash
> ________________________________________
> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
> Sent: Monday, June 30, 2014 2:18 PM
> To: Tavakoli Siavash
> Cc: rock-users at dfki.de
> Subject: Re: [Rock-users] Unable to start component by ruby
>
> If the suggestion from below (and rebuilding) does not help
>
> try:
>
> source env.sh
> irb
> > require 'orocos'
>
> and post (if hopefully) the additional error msg.
>
> Best,
> Matthias
>
> On 30.06.2014 13:02, Sascha Arnold wrote:
>> Hello,
>>
>> I think to remember, that I solved this error once by recreate the
>> env.sh with
>>> autoproj envsh
>> and resource the environment
>>> . env.sh
>> Maybe that helps.
>>
>> Best,
>> Sascha
>>
>> On 30.06.2014 12:12, Tavakoli Siavash wrote:
>>> Hi,
>>> Thanks for your reply.
>>> So I did:
>>>
>>> rm -r tools/orocos.rb/
>>> autoproj update
>>> amake
>>>
>>> but the error is still there. Maybe it was fixed in next or master?
>>>
>>> ________________________________________
>>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>>> Sent: Monday, June 30, 2014 12:05 PM
>>> To: rock-users at dfki.de; Tavakoli Siavash
>>> Subject: Re: [Rock-users] Unable to start component by ruby
>>>
>>> Hi,
>>> Please try to delete the whole orocos.rb folder and then run a update &&
>>> build again.
>>> We had some problems in the past with rebuilding of ruby packages.
>>>
>>>
>>> Best,
>>> Matthias
>>>
>>> On 30.06.2014 10:25, Tavakoli Siavash wrote:
>>>> Hello,
>>>>
>>>> I have created a component and wrote a script to run it by using the ruby interface but running the script fails with an error:
>>>>
>>>> Cannot require orocos.rb's Ruby/C extension
>>>> If you are using Rock, this should have been done automatically.
>>>> Run
>>>> amake orocos.rb
>>>> and try again
>>>>
>>>> rebuilding orocos.rb doesn't help and I get the same error again. I'm running the stable branch and target is Xenomai.
>>>>
>>>> Thanks,
>>>> Siavash
>>>> _______________________________________________
>>>> Rock-users mailing list
>>>> Rock-users at dfki.de
>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>>> --
>>> Dipl.-Inf. Matthias Goldhoorn
>>> Space and Underwater Robotic
>>>
>>> Universit?t Bremen
>>> FB 3 - Mathematik und Informatik
>>> AG Robotik
>>> Robert-Hooke-Stra?e 1
>>> 28359 Bremen, Germany
>>>
>>> Zentrale: +49 421 178 45-6611
>>>
>>> Besuchsadresse der Nebengesch?ftstelle:
>>> Robert-Hooke-Stra?e 5
>>> 28359 Bremen, Germany
>>>
>>> Tel.: +49 421 178 45-4193
>>> Empfang: +49 421 178 45-6600
>>> Fax: +49 421 178 45-4150
>>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>>
>>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>>
>>> _______________________________________________
>>> Rock-users mailing list
>>> Rock-users at dfki.de
>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>
> --
> Dipl.-Inf. Matthias Goldhoorn
> Space and Underwater Robotic
>
> Universit?t Bremen
> FB 3 - Mathematik und Informatik
> AG Robotik
> Robert-Hooke-Stra?e 1
> 28359 Bremen, Germany
>
> Zentrale: +49 421 178 45-6611
>
> Besuchsadresse der Nebengesch?ftstelle:
> Robert-Hooke-Stra?e 5
> 28359 Bremen, Germany
>
> Tel.: +49 421 178 45-4193
> Empfang: +49 421 178 45-6600
> Fax: +49 421 178 45-4150
> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>
> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>


--
Dipl.-Inf. Matthias Goldhoorn
Space and Underwater Robotic

Universit?t Bremen
FB 3 - Mathematik und Informatik
AG Robotik
Robert-Hooke-Stra?e 1
28359 Bremen, Germany

Zentrale: +49 421 178 45-6611

Besuchsadresse der Nebengesch?ftstelle:
Robert-Hooke-Stra?e 5
28359 Bremen, Germany

Tel.: +49 421 178 45-4193
Empfang: +49 421 178 45-6600
Fax: +49 421 178 45-4150
E-Mail: matthias.goldhoorn at informatik.uni-bremen.de

Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
Matthias Goldhoorn
2014-07-01 07:32:52 UTC
Permalink
@Ruby binding guy's:
I think the problem with orocos.rb is related to some linking problems
of the orocos extenstion.
I attached the ldd output and the CMakeCache from my installation. So
Far i see it should work.
I compared the CMakeCache with my local one and can't find the fault here.

Has someone i idea what's going on here?

Best,
Matthias

On 30.06.2014 13:57, Matthias Goldhoorn wrote:
> I got the same on my xenomai version of rock.
> I cc the rock-dev therefore.
>
> If there noone give's a hint, i will take a look during this week...
>
> Best,
> Matthias
>
>
>
> On 30.06.2014 13:50, Tavakoli Siavash wrote:
>> Recreating and resourcing the env.sh didn't help. Irb outputs some additional info:
>>
>> NotImplementedError: method `backtrace' called on unexpected T_NODE object (0x00000002b56bf0 flags=0x381c klass=0x0)
>> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
>> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
>> from (irb):1
>> from /usr/bin/irb1.9.1:12:in `<main>'
>>
>> Best,
>> Siavash
>> ________________________________________
>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>> Sent: Monday, June 30, 2014 2:18 PM
>> To: Tavakoli Siavash
>> Cc: rock-users at dfki.de
>> Subject: Re: [Rock-users] Unable to start component by ruby
>>
>> If the suggestion from below (and rebuilding) does not help
>>
>> try:
>>
>> source env.sh
>> irb
>> > require 'orocos'
>>
>> and post (if hopefully) the additional error msg.
>>
>> Best,
>> Matthias
>>
>> On 30.06.2014 13:02, Sascha Arnold wrote:
>>> Hello,
>>>
>>> I think to remember, that I solved this error once by recreate the
>>> env.sh with
>>>> autoproj envsh
>>> and resource the environment
>>>> . env.sh
>>> Maybe that helps.
>>>
>>> Best,
>>> Sascha
>>>
>>> On 30.06.2014 12:12, Tavakoli Siavash wrote:
>>>> Hi,
>>>> Thanks for your reply.
>>>> So I did:
>>>>
>>>> rm -r tools/orocos.rb/
>>>> autoproj update
>>>> amake
>>>>
>>>> but the error is still there. Maybe it was fixed in next or master?
>>>>
>>>> ________________________________________
>>>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>>>> Sent: Monday, June 30, 2014 12:05 PM
>>>> To: rock-users at dfki.de; Tavakoli Siavash
>>>> Subject: Re: [Rock-users] Unable to start component by ruby
>>>>
>>>> Hi,
>>>> Please try to delete the whole orocos.rb folder and then run a update &&
>>>> build again.
>>>> We had some problems in the past with rebuilding of ruby packages.
>>>>
>>>>
>>>> Best,
>>>> Matthias
>>>>
>>>> On 30.06.2014 10:25, Tavakoli Siavash wrote:
>>>>> Hello,
>>>>>
>>>>> I have created a component and wrote a script to run it by using the ruby interface but running the script fails with an error:
>>>>>
>>>>> Cannot require orocos.rb's Ruby/C extension
>>>>> If you are using Rock, this should have been done automatically.
>>>>> Run
>>>>> amake orocos.rb
>>>>> and try again
>>>>>
>>>>> rebuilding orocos.rb doesn't help and I get the same error again. I'm running the stable branch and target is Xenomai.
>>>>>
>>>>> Thanks,
>>>>> Siavash
>>>>> _______________________________________________
>>>>> Rock-users mailing list
>>>>> Rock-users at dfki.de
>>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>>>> --
>>>> Dipl.-Inf. Matthias Goldhoorn
>>>> Space and Underwater Robotic
>>>>
>>>> Universit?t Bremen
>>>> FB 3 - Mathematik und Informatik
>>>> AG Robotik
>>>> Robert-Hooke-Stra?e 1
>>>> 28359 Bremen, Germany
>>>>
>>>> Zentrale: +49 421 178 45-6611
>>>>
>>>> Besuchsadresse der Nebengesch?ftstelle:
>>>> Robert-Hooke-Stra?e 5
>>>> 28359 Bremen, Germany
>>>>
>>>> Tel.: +49 421 178 45-4193
>>>> Empfang: +49 421 178 45-6600
>>>> Fax: +49 421 178 45-4150
>>>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>>>
>>>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>>>
>>>> _______________________________________________
>>>> Rock-users mailing list
>>>> Rock-users at dfki.de
>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>> --
>> Dipl.-Inf. Matthias Goldhoorn
>> Space and Underwater Robotic
>>
>> Universit?t Bremen
>> FB 3 - Mathematik und Informatik
>> AG Robotik
>> Robert-Hooke-Stra?e 1
>> 28359 Bremen, Germany
>>
>> Zentrale: +49 421 178 45-6611
>>
>> Besuchsadresse der Nebengesch?ftstelle:
>> Robert-Hooke-Stra?e 5
>> 28359 Bremen, Germany
>>
>> Tel.: +49 421 178 45-4193
>> Empfang: +49 421 178 45-6600
>> Fax: +49 421 178 45-4150
>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>
>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>
>


--
Dipl.-Inf. Matthias Goldhoorn
Space and Underwater Robotic

Universit?t Bremen
FB 3 - Mathematik und Informatik
AG Robotik
Robert-Hooke-Stra?e 1
28359 Bremen, Germany

Zentrale: +49 421 178 45-6611

Besuchsadresse der Nebengesch?ftstelle:
Robert-Hooke-Stra?e 5
28359 Bremen, Germany

Tel.: +49 421 178 45-4193
Empfang: +49 421 178 45-6600
Fax: +49 421 178 45-4150
E-Mail: matthias.goldhoorn at informatik.uni-bremen.de

Weitere Informationen: http://www.informatik.uni-bremen.de/robotik

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RTT_Typelib_CFLAGS:INTERNAL=-DOROCOS_TARGET=xenomai;-D_GNU_SOURCE;-D_REENTRANT;-D__XENO__;-I/home/goldhoorn/dev-xenomai/install/include/orocos;-I/home/goldhoorn/dev-xenomai/install/include;-I/usr/include/xenomai
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RTT_Typelib_LIBRARIES:INTERNAL=rtt-typelib-xenomai;orocos-rtt-xenomai;native;xenomai;pthread;rt;typeLib;utilmm
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RTT_Typelib_LIBS:INTERNAL=
RTT_Typelib_LIBS_L:INTERNAL=
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RTT_Typelib_LIBS_PATHS:INTERNAL=
RTT_Typelib_PREFIX:INTERNAL=/home/goldhoorn/dev-xenomai/install
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RTT_Typelib_STATIC_LIBS:INTERNAL=
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RTT_orocos-rtt-xenomai_PREFIX:INTERNAL=
RTT_orocos-rtt-xenomai_VERSION:INTERNAL=
//ADVANCED property for variable: RUBY_ARCH_DIR
RUBY_ARCH_DIR-ADVANCED:INTERNAL=1
//ADVANCED property for variable: RUBY_CONFIG_INCLUDE_DIR
RUBY_CONFIG_INCLUDE_DIR-ADVANCED:INTERNAL=1
//ADVANCED property for variable: RUBY_EXECUTABLE
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//ADVANCED property for variable: RUBY_HAS_VENDOR_RUBY
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//ADVANCED property for variable: RUBY_HDR_DIR
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//ADVANCED property for variable: RUBY_LIBRARY
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//ADVANCED property for variable: RUBY_SITEARCH_DIR
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//ADVANCED property for variable: RUBY_SITELIB_DIR
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//ADVANCED property for variable: RUBY_VENDORARCH_DIR
RUBY_VENDORARCH_DIR-ADVANCED:INTERNAL=1
//ADVANCED property for variable: RUBY_VENDORLIB_DIR
RUBY_VENDORLIB_DIR-ADVANCED:INTERNAL=1
//ADVANCED property for variable: RUBY_VERSION_MAJOR
RUBY_VERSION_MAJOR-ADVANCED:INTERNAL=1
//ADVANCED property for variable: RUBY_VERSION_MINOR
RUBY_VERSION_MINOR-ADVANCED:INTERNAL=1
//ADVANCED property for variable: RUBY_VERSION_PATCH
RUBY_VERSION_PATCH-ADVANCED:INTERNAL=1
TYPELIB_CFLAGS:INTERNAL=-I/home/goldhoorn/dev-xenomai/install/include
TYPELIB_CFLAGS_I:INTERNAL=
TYPELIB_CFLAGS_OTHER:INTERNAL=
TYPELIB_FOUND:INTERNAL=1
TYPELIB_INCLUDEDIR:INTERNAL=/home/goldhoorn/dev-xenomai/install/include
TYPELIB_INCLUDE_DIRS:INTERNAL=/home/goldhoorn/dev-xenomai/install/include
TYPELIB_LDFLAGS:INTERNAL=-L/home/goldhoorn/dev-xenomai/install/lib;-ltypeLib;-lutilmm
TYPELIB_LDFLAGS_OTHER:INTERNAL=
TYPELIB_LIBDIR:INTERNAL=/home/goldhoorn/dev-xenomai/install/lib
TYPELIB_LIBRARIES:INTERNAL=typeLib;utilmm
TYPELIB_LIBRARY_DIRS:INTERNAL=/home/goldhoorn/dev-xenomai/install/lib
TYPELIB_LIBS:INTERNAL=
TYPELIB_LIBS_L:INTERNAL=
TYPELIB_LIBS_OTHER:INTERNAL=
TYPELIB_LIBS_PATHS:INTERNAL=
TYPELIB_PREFIX:INTERNAL=/home/goldhoorn/dev-xenomai/install
TYPELIB_RUBY_CFLAGS:INTERNAL=-I/home/goldhoorn/dev-xenomai/install/lib/ruby/1.9.1/x86_64-linux
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TYPELIB_STATIC_LIBRARIES:INTERNAL=typeLib;utilmm
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TYPELIB_STATIC_LIBS:INTERNAL=
TYPELIB_STATIC_LIBS_L:INTERNAL=
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TYPELIB_typelib_INCLUDEDIR:INTERNAL=
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__pkg_config_checked_RTT:INTERNAL=1
__pkg_config_checked_RTT_CORBA:INTERNAL=1
__pkg_config_checked_RTT_MQUEUE:INTERNAL=1
__pkg_config_checked_RTT_ROS:INTERNAL=1
__pkg_config_checked_RTT_Typelib:INTERNAL=1
__pkg_config_checked_TYPELIB:INTERNAL=1
__pkg_config_checked_TYPELIB_RUBY:INTERNAL=1
Alexander Duda
2014-07-01 07:58:16 UTC
Permalink
Am 01.07.2014 um 09:32 schrieb Matthias Goldhoorn <matthias.goldhoorn at dfki.de>:

> @Ruby binding guy's:
> I think the problem with orocos.rb is related to some linking problems of the orocos extenstion.
> I attached the ldd output and the CMakeCache from my installation. So Far i see it should work.
> I compared the CMakeCache with my local one and can't find the fault here.
>
> Has someone i idea what's going on here?
>

The ruby extension is not linked against ruby. In general it is not nice but should not be a problem because the symbols are already known if the extension is loaded by ruby.

You can try the following and post the output for all steps:

orocos.rb: rake
ruby ?version
which ruby
which irb
irb -r 'orocos/rorocos'

Alex

> Best,
> Matthias
>
> On 30.06.2014 13:57, Matthias Goldhoorn wrote:
>> I got the same on my xenomai version of rock.
>> I cc the rock-dev therefore.
>>
>> If there noone give's a hint, i will take a look during this week...
>>
>> Best,
>> Matthias
>>
>>
>>
>> On 30.06.2014 13:50, Tavakoli Siavash wrote:
>>> Recreating and resourcing the env.sh didn't help. Irb outputs some additional info:
>>>
>>> NotImplementedError: method `backtrace' called on unexpected T_NODE object (0x00000002b56bf0 flags=0x381c klass=0x0)
>>> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
>>> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
>>> from (irb):1
>>> from /usr/bin/irb1.9.1:12:in `<main>'
>>>
>>> Best,
>>> Siavash
>>> ________________________________________
>>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>>> Sent: Monday, June 30, 2014 2:18 PM
>>> To: Tavakoli Siavash
>>> Cc: rock-users at dfki.de
>>> Subject: Re: [Rock-users] Unable to start component by ruby
>>>
>>> If the suggestion from below (and rebuilding) does not help
>>>
>>> try:
>>>
>>> source env.sh
>>> irb
>>> > require 'orocos'
>>>
>>> and post (if hopefully) the additional error msg.
>>>
>>> Best,
>>> Matthias
>>>
>>> On 30.06.2014 13:02, Sascha Arnold wrote:
>>>> Hello,
>>>>
>>>> I think to remember, that I solved this error once by recreate the
>>>> env.sh with
>>>>> autoproj envsh
>>>> and resource the environment
>>>>> . env.sh
>>>> Maybe that helps.
>>>>
>>>> Best,
>>>> Sascha
>>>>
>>>> On 30.06.2014 12:12, Tavakoli Siavash wrote:
>>>>> Hi,
>>>>> Thanks for your reply.
>>>>> So I did:
>>>>>
>>>>> rm -r tools/orocos.rb/
>>>>> autoproj update
>>>>> amake
>>>>>
>>>>> but the error is still there. Maybe it was fixed in next or master?
>>>>>
>>>>> ________________________________________
>>>>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>>>>> Sent: Monday, June 30, 2014 12:05 PM
>>>>> To: rock-users at dfki.de; Tavakoli Siavash
>>>>> Subject: Re: [Rock-users] Unable to start component by ruby
>>>>>
>>>>> Hi,
>>>>> Please try to delete the whole orocos.rb folder and then run a update &&
>>>>> build again.
>>>>> We had some problems in the past with rebuilding of ruby packages.
>>>>>
>>>>>
>>>>> Best,
>>>>> Matthias
>>>>>
>>>>> On 30.06.2014 10:25, Tavakoli Siavash wrote:
>>>>>> Hello,
>>>>>>
>>>>>> I have created a component and wrote a script to run it by using the ruby interface but running the script fails with an error:
>>>>>>
>>>>>> Cannot require orocos.rb's Ruby/C extension
>>>>>> If you are using Rock, this should have been done automatically.
>>>>>> Run
>>>>>> amake orocos.rb
>>>>>> and try again
>>>>>>
>>>>>> rebuilding orocos.rb doesn't help and I get the same error again. I'm running the stable branch and target is Xenomai.
>>>>>>
>>>>>> Thanks,
>>>>>> Siavash
>>>>>> _______________________________________________
>>>>>> Rock-users mailing list
>>>>>> Rock-users at dfki.de
>>>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>>>>> --
>>>>> Dipl.-Inf. Matthias Goldhoorn
>>>>> Space and Underwater Robotic
>>>>>
>>>>> Universit?t Bremen
>>>>> FB 3 - Mathematik und Informatik
>>>>> AG Robotik
>>>>> Robert-Hooke-Stra?e 1
>>>>> 28359 Bremen, Germany
>>>>>
>>>>> Zentrale: +49 421 178 45-6611
>>>>>
>>>>> Besuchsadresse der Nebengesch?ftstelle:
>>>>> Robert-Hooke-Stra?e 5
>>>>> 28359 Bremen, Germany
>>>>>
>>>>> Tel.: +49 421 178 45-4193
>>>>> Empfang: +49 421 178 45-6600
>>>>> Fax: +49 421 178 45-4150
>>>>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>>>>
>>>>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>>>>
>>>>> _______________________________________________
>>>>> Rock-users mailing list
>>>>> Rock-users at dfki.de
>>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>>> --
>>> Dipl.-Inf. Matthias Goldhoorn
>>> Space and Underwater Robotic
>>>
>>> Universit?t Bremen
>>> FB 3 - Mathematik und Informatik
>>> AG Robotik
>>> Robert-Hooke-Stra?e 1
>>> 28359 Bremen, Germany
>>>
>>> Zentrale: +49 421 178 45-6611
>>>
>>> Besuchsadresse der Nebengesch?ftstelle:
>>> Robert-Hooke-Stra?e 5
>>> 28359 Bremen, Germany
>>>
>>> Tel.: +49 421 178 45-4193
>>> Empfang: +49 421 178 45-6600
>>> Fax: +49 421 178 45-4150
>>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>>
>>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>>
>>
>
>
> --
> Dipl.-Inf. Matthias Goldhoorn
> Space and Underwater Robotic
>
> Universit?t Bremen
> FB 3 - Mathematik und Informatik
> AG Robotik
> Robert-Hooke-Stra?e 1
> 28359 Bremen, Germany
> Zentrale: +49 421 178 45-6611
> Besuchsadresse der Nebengesch?ftstelle:
> Robert-Hooke-Stra?e 5
> 28359 Bremen, Germany
> Tel.: +49 421 178 45-4193
> Empfang: +49 421 178 45-6600
> Fax: +49 421 178 45-4150
> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>
> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>
> <ldd-output.txt><CMakeCache.txt>_______________________________________________
> Rock-dev mailing list
> Rock-dev at dfki.de
> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-dev


--
Dipl.-Ing. Alexander Duda
Unterwasserrobotik
Robotics Innovation Center

Hauptgesch?ftsstelle Standort Bremen:
DFKI GmbH
Robotics Innovation Center
Robert-Hooke-Stra?e 1
28359 Bremen, Germany

Tel.: +49 421 178 45-6620
Zentrale: +49 421 178 45-0
Fax: +49 421 178 45-4150 (Faxe bitte namentlich kennzeichnen)
E-Mail: Alexander.Duda at dfki.de

Weitere Informationen: http://www.dfki.de/robotik
-----------------------------------------------------------------------
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(Vorsitzender) Dr. Walter Olthoff
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Amtsgericht Kaiserslautern, HRB 2313
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Matthias Goldhoorn
2014-07-01 08:31:14 UTC
Permalink
On 01.07.2014 09:58, Alexander Duda wrote:
>
> Am 01.07.2014 um 09:32 schrieb Matthias Goldhoorn
> <matthias.goldhoorn at dfki.de <mailto:matthias.goldhoorn at dfki.de>>:
>
>> @Ruby binding guy's:
>> I think the problem with orocos.rb is related to some linking
>> problems of the orocos extenstion.
>> I attached the ldd output and the CMakeCache from my installation. So
>> Far i see it should work.
>> I compared the CMakeCache with my local one and can't find the fault
>> here.
>>
>> Has someone i idea what's going on here?
>>
>
> The ruby extension is not linked against ruby. In general it is not
> nice but should not be a problem because the symbols are already known
> if the extension is loaded by ruby.
>
> You can try the following and post the output for all steps:
>
> orocos.rb: rake
> ruby ?version
> which ruby
> which irb
> irb -r 'orocos/rorocos'
>
> Alex

rake: <done>
goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ ruby --version
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-linux]
goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ which ruby
/home/goldhoorn/dev-xenomai/install/bin/ruby
goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ which irb
/home/goldhoorn/dev-xenomai/install/bin/irb
goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ irb --version
irb 0.9.6(09/06/30)
goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ irb -r
'orocos/rorocos'
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in
`require':LoadError: cannot load such file -- orocos/rorocos
goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ irb
irb(main):001:0> require "orocos"
Cannot require orocos.rb's Ruby/C extension
If you are using Rock, this should have been done automatically.
Run
amake orocos.rb
and try again
NotImplementedError: method `backtrace' called on unexpected T_NODE
object (0x00000002484ea8 flags=0x381c klass=0x0)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from (irb):1
from /usr/bin/irb1.9.1:12:in `<main>'


Nice try but it is not such simple ;)

Best,
Matthias
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Sylvain Joyeux
2014-07-01 14:34:46 UTC
Permalink
Could we move this to an issue on github ? Would be nicer ...


On Tue, Jul 1, 2014 at 10:31 AM, Matthias Goldhoorn <
matthias.goldhoorn at dfki.de> wrote:

> On 01.07.2014 09:58, Alexander Duda wrote:
>
>
> Am 01.07.2014 um 09:32 schrieb Matthias Goldhoorn <
> matthias.goldhoorn at dfki.de>:
>
> @Ruby binding guy's:
> I think the problem with orocos.rb is related to some linking problems of
> the orocos extenstion.
> I attached the ldd output and the CMakeCache from my installation. So Far
> i see it should work.
> I compared the CMakeCache with my local one and can't find the fault here.
>
> Has someone i idea what's going on here?
>
>
> The ruby extension is not linked against ruby. In general it is not nice
> but should not be a problem because the symbols are already known if the
> extension is loaded by ruby.
>
> You can try the following and post the output for all steps:
>
> orocos.rb: rake
> ruby ?version
> which ruby
> which irb
> irb -r 'orocos/rorocos'
>
> Alex
>
>
> rake: <done>
> goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ ruby
> --version
> ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-linux]
> goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ which ruby
> /home/goldhoorn/dev-xenomai/install/bin/ruby
> goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ which irb
> /home/goldhoorn/dev-xenomai/install/bin/irb
> goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ irb
> --version
> irb 0.9.6(09/06/30)
> goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ irb -r
> 'orocos/rorocos'
> /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require':LoadError:
> cannot load such file -- orocos/rorocos
> goldhoorn at goldhoorn-VirtualBox:~/dev-xenomai/tools/orocos.rb$ irb
> irb(main):001:0> require "orocos"
>
> Cannot require orocos.rb's Ruby/C extension
> If you are using Rock, this should have been done automatically.
> Run
> amake orocos.rb
> and try again
> NotImplementedError: method `backtrace' called on unexpected T_NODE object
> (0x00000002484ea8 flags=0x381c klass=0x0)
>
> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
> from (irb):1
> from /usr/bin/irb1.9.1:12:in `<main>'
>
>
> Nice try but it is not such simple ;)
>
> Best,
> Matthias
>
> _______________________________________________
> Rock-dev mailing list
> Rock-dev at dfki.de
> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-dev
>
>
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Matthias Goldhoorn
2014-07-02 07:10:20 UTC
Permalink
Ok, got the problem -- solved --

It's related to this:
http://www.kieltech.de/uweswiki/Xenomai -> Testing Xenomai
you have to build the xenomai packages with " --enable-dlopen-skins"
If you have done (and reinstalled) this, you have to add yourself to the
xenomai group if you have followed this xenomai instructions
http://www.stanley.gatech.edu/skelly/uncategorized/installing-xenomai-on-ubuntu-12-04/.

Afterward for me everything seems to work fine,
Best,
Matthias

P.S. error to search for:

rb(main):001:0> require 'rorocos_ext'
LoadError: libnative.so.3: shared object cannot be dlopen()ed -


On 30.06.2014 13:57, Matthias Goldhoorn wrote:
> I got the same on my xenomai version of rock.
> I cc the rock-dev therefore.
>
> If there noone give's a hint, i will take a look during this week...
>
> Best,
> Matthias
>
>
>
> On 30.06.2014 13:50, Tavakoli Siavash wrote:
>> Recreating and resourcing the env.sh didn't help. Irb outputs some additional info:
>>
>> NotImplementedError: method `backtrace' called on unexpected T_NODE object (0x00000002b56bf0 flags=0x381c klass=0x0)
>> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
>> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
>> from (irb):1
>> from /usr/bin/irb1.9.1:12:in `<main>'
>>
>> Best,
>> Siavash
>> ________________________________________
>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>> Sent: Monday, June 30, 2014 2:18 PM
>> To: Tavakoli Siavash
>> Cc: rock-users at dfki.de
>> Subject: Re: [Rock-users] Unable to start component by ruby
>>
>> If the suggestion from below (and rebuilding) does not help
>>
>> try:
>>
>> source env.sh
>> irb
>> > require 'orocos'
>>
>> and post (if hopefully) the additional error msg.
>>
>> Best,
>> Matthias
>>
>> On 30.06.2014 13:02, Sascha Arnold wrote:
>>> Hello,
>>>
>>> I think to remember, that I solved this error once by recreate the
>>> env.sh with
>>>> autoproj envsh
>>> and resource the environment
>>>> . env.sh
>>> Maybe that helps.
>>>
>>> Best,
>>> Sascha
>>>
>>> On 30.06.2014 12:12, Tavakoli Siavash wrote:
>>>> Hi,
>>>> Thanks for your reply.
>>>> So I did:
>>>>
>>>> rm -r tools/orocos.rb/
>>>> autoproj update
>>>> amake
>>>>
>>>> but the error is still there. Maybe it was fixed in next or master?
>>>>
>>>> ________________________________________
>>>> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
>>>> Sent: Monday, June 30, 2014 12:05 PM
>>>> To: rock-users at dfki.de; Tavakoli Siavash
>>>> Subject: Re: [Rock-users] Unable to start component by ruby
>>>>
>>>> Hi,
>>>> Please try to delete the whole orocos.rb folder and then run a update &&
>>>> build again.
>>>> We had some problems in the past with rebuilding of ruby packages.
>>>>
>>>>
>>>> Best,
>>>> Matthias
>>>>
>>>> On 30.06.2014 10:25, Tavakoli Siavash wrote:
>>>>> Hello,
>>>>>
>>>>> I have created a component and wrote a script to run it by using the ruby interface but running the script fails with an error:
>>>>>
>>>>> Cannot require orocos.rb's Ruby/C extension
>>>>> If you are using Rock, this should have been done automatically.
>>>>> Run
>>>>> amake orocos.rb
>>>>> and try again
>>>>>
>>>>> rebuilding orocos.rb doesn't help and I get the same error again. I'm running the stable branch and target is Xenomai.
>>>>>
>>>>> Thanks,
>>>>> Siavash
>>>>> _______________________________________________
>>>>> Rock-users mailing list
>>>>> Rock-users at dfki.de
>>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>>>> --
>>>> Dipl.-Inf. Matthias Goldhoorn
>>>> Space and Underwater Robotic
>>>>
>>>> Universit?t Bremen
>>>> FB 3 - Mathematik und Informatik
>>>> AG Robotik
>>>> Robert-Hooke-Stra?e 1
>>>> 28359 Bremen, Germany
>>>>
>>>> Zentrale: +49 421 178 45-6611
>>>>
>>>> Besuchsadresse der Nebengesch?ftstelle:
>>>> Robert-Hooke-Stra?e 5
>>>> 28359 Bremen, Germany
>>>>
>>>> Tel.: +49 421 178 45-4193
>>>> Empfang: +49 421 178 45-6600
>>>> Fax: +49 421 178 45-4150
>>>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>>>
>>>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>>>
>>>> _______________________________________________
>>>> Rock-users mailing list
>>>> Rock-users at dfki.de
>>>> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>> --
>> Dipl.-Inf. Matthias Goldhoorn
>> Space and Underwater Robotic
>>
>> Universit?t Bremen
>> FB 3 - Mathematik und Informatik
>> AG Robotik
>> Robert-Hooke-Stra?e 1
>> 28359 Bremen, Germany
>>
>> Zentrale: +49 421 178 45-6611
>>
>> Besuchsadresse der Nebengesch?ftstelle:
>> Robert-Hooke-Stra?e 5
>> 28359 Bremen, Germany
>>
>> Tel.: +49 421 178 45-4193
>> Empfang: +49 421 178 45-6600
>> Fax: +49 421 178 45-4150
>> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>>
>> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>>
>


--
Dipl.-Inf. Matthias Goldhoorn
Space and Underwater Robotic

Universit?t Bremen
FB 3 - Mathematik und Informatik
AG Robotik
Robert-Hooke-Stra?e 1
28359 Bremen, Germany

Zentrale: +49 421 178 45-6611

Besuchsadresse der Nebengesch?ftstelle:
Robert-Hooke-Stra?e 5
28359 Bremen, Germany

Tel.: +49 421 178 45-4193
Empfang: +49 421 178 45-6600
Fax: +49 421 178 45-4150
E-Mail: matthias.goldhoorn at informatik.uni-bremen.de

Weitere Informationen: http://www.informatik.uni-bremen.de/robotik

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Sylvain Joyeux
2014-07-02 07:46:07 UTC
Permalink
In the long run, I think that we should never build orocos.rb with xenomai
enabled, it makes no sense. Which means that we should always build a
gnulinux RTT *and* a xenomai RTT when under xenomai. Unfortunately, I don't
know if anybody would have the time to implement / test this.

It would even make sense to allow selecting which components should be
built with Xenomai and which should not, but that would be an awful lot of
work to get right.

For what it's worth, Xenomai support is in a poor state in Rock because
LinuxRT is nowadays really really good even for demanding applications. But
YMMV.

Sylvain


On Wed, Jul 2, 2014 at 9:10 AM, Matthias Goldhoorn <
matthias.goldhoorn at dfki.de> wrote:

> Ok, got the problem -- solved --
>
> It's related to this:
> http://www.kieltech.de/uweswiki/Xenomai -> Testing Xenomai
> you have to build the xenomai packages with " --enable-dlopen-skins"
> If you have done (and reinstalled) this, you have to add yourself to the
> xenomai group if you have followed this xenomai instructions
> http://www.stanley.gatech.edu/skelly/uncategorized/installing-xenomai-on-ubuntu-12-04/
> .
>
> Afterward for me everything seems to work fine,
> Best,
> Matthias
>
> P.S. error to search for:
>
> rb(main):001:0> require 'rorocos_ext'
> LoadError: libnative.so.3: shared object cannot be dlopen()ed -
>
>
>
> On 30.06.2014 13:57, Matthias Goldhoorn wrote:
>
> I got the same on my xenomai version of rock.
> I cc the rock-dev therefore.
>
> If there noone give's a hint, i will take a look during this week...
>
> Best,
> Matthias
>
>
>
> On 30.06.2014 13:50, Tavakoli Siavash wrote:
>
> Recreating and resourcing the env.sh didn't help. Irb outputs some additional info:
>
> NotImplementedError: method `backtrace' called on unexpected T_NODE object (0x00000002b56bf0 flags=0x381c klass=0x0)
> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
> from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
> from (irb):1
> from /usr/bin/irb1.9.1:12:in `<main>'
>
> Best,
> Siavash
> ________________________________________
> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
> Sent: Monday, June 30, 2014 2:18 PM
> To: Tavakoli Siavash
> Cc: rock-users at dfki.de
> Subject: Re: [Rock-users] Unable to start component by ruby
>
> If the suggestion from below (and rebuilding) does not help
>
> try:
>
> source env.sh
> irb
> > require 'orocos'
>
> and post (if hopefully) the additional error msg.
>
> Best,
> Matthias
>
> On 30.06.2014 13:02, Sascha Arnold wrote:
>
> Hello,
>
> I think to remember, that I solved this error once by recreate the
> env.sh with
>
> autoproj envsh
>
> and resource the environment
>
> . env.sh
>
> Maybe that helps.
>
> Best,
> Sascha
>
> On 30.06.2014 12:12, Tavakoli Siavash wrote:
>
> Hi,
> Thanks for your reply.
> So I did:
>
> rm -r tools/orocos.rb/
> autoproj update
> amake
>
> but the error is still there. Maybe it was fixed in next or master?
>
> ________________________________________
> From: Matthias Goldhoorn [matthias.goldhoorn at dfki.de]
> Sent: Monday, June 30, 2014 12:05 PM
> To: rock-users at dfki.de; Tavakoli Siavash
> Subject: Re: [Rock-users] Unable to start component by ruby
>
> Hi,
> Please try to delete the whole orocos.rb folder and then run a update &&
> build again.
> We had some problems in the past with rebuilding of ruby packages.
>
>
> Best,
> Matthias
>
> On 30.06.2014 10:25, Tavakoli Siavash wrote:
>
> Hello,
>
> I have created a component and wrote a script to run it by using the ruby interface but running the script fails with an error:
>
> Cannot require orocos.rb's Ruby/C extension
> If you are using Rock, this should have been done automatically.
> Run
> amake orocos.rb
> and try again
>
> rebuilding orocos.rb doesn't help and I get the same error again. I'm running the stable branch and target is Xenomai.
>
> Thanks,
> Siavash
> _______________________________________________
> Rock-users mailing listRock-users at dfki.dehttp://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>
> --
> Dipl.-Inf. Matthias Goldhoorn
> Space and Underwater Robotic
>
> Universit?t Bremen
> FB 3 - Mathematik und Informatik
> AG Robotik
> Robert-Hooke-Stra?e 1
> 28359 Bremen, Germany
>
> Zentrale: +49 421 178 45-6611
>
> Besuchsadresse der Nebengesch?ftstelle:
> Robert-Hooke-Stra?e 5
> 28359 Bremen, Germany
>
> Tel.: +49 421 178 45-4193
> Empfang: +49 421 178 45-6600
> Fax: +49 421 178 45-4150
> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>
> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>
> _______________________________________________
> Rock-users mailing listRock-users at dfki.dehttp://www.dfki.de/mailman/cgi-bin/listinfo/rock-users
>
> --
> Dipl.-Inf. Matthias Goldhoorn
> Space and Underwater Robotic
>
> Universit?t Bremen
> FB 3 - Mathematik und Informatik
> AG Robotik
> Robert-Hooke-Stra?e 1
> 28359 Bremen, Germany
>
> Zentrale: +49 421 178 45-6611
>
> Besuchsadresse der Nebengesch?ftstelle:
> Robert-Hooke-Stra?e 5
> 28359 Bremen, Germany
>
> Tel.: +49 421 178 45-4193
> Empfang: +49 421 178 45-6600
> Fax: +49 421 178 45-4150
> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>
> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>
>
>
> --
> Dipl.-Inf. Matthias Goldhoorn
> Space and Underwater Robotic
>
> Universit?t Bremen
> FB 3 - Mathematik und Informatik
> AG Robotik
> Robert-Hooke-Stra?e 1
> 28359 Bremen, Germany
>
> Zentrale: +49 421 178 45-6611
>
> Besuchsadresse der Nebengesch?ftstelle:
> Robert-Hooke-Stra?e 5
> 28359 Bremen, Germany
>
> Tel.: +49 421 178 45-4193
> Empfang: +49 421 178 45-6600
> Fax: +49 421 178 45-4150
> E-Mail: matthias.goldhoorn at informatik.uni-bremen.de
>
> Weitere Informationen: http://www.informatik.uni-bremen.de/robotik
>
>
> _______________________________________________
> Rock-dev mailing list
> Rock-dev at dfki.de
> http://www.dfki.de/mailman/cgi-bin/listinfo/rock-dev
>
>
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