[Rock-dev] Rock Performances on Gumstix

[Alexander Duda]

On 08/20/2012 04:44 PM, Chris Mueller wrote:
> Hi Alex,
>
> i'm currently playing with the proxy branch and there is a small 
> incompability problem again for ruby1.9.
>
> require 'ping' results in a LoadError, because it seems to be removed 
> from ruby1.9 standard library.
>
> I have made a fast fix similar to the following article to get it work:
> http://forum.ruby-portal.de/viewtopic.php?f=19&t=9205&view=previous
>
> In my case its unfortanetely not working with the task inspector. The 
> first ten seconds the task is in the INITIALIZING step, After that it 
> seems he catched the interface for a short time (checkbox pops up in 
> the property field),
> but it keep blocking afterwards. After a few seconds it disappears 
> again. No State information are shown in the value field.
>
> On the console i get the following warnings:
> rocos[WARN]: ReaderWriterProxy: error while proxing the port 
> camera_usb_deployment.frame: CORBA transient exception
> Orocos[WARN]: ReaderWriterProxy: error while proxing the port 
> camera_usb_deployment.frame: CORBA transient exception
> Orocos[WARN]: ReaderWriterProxy for port camera_usb_deployment.frame: 
> ignoring method read because port is not reachable.
> Orocos[WARN]: ReaderWriterProxy: error while proxing the port 
> camera_usb_deployment.frame_raw: CORBA transient exception
> Orocos[WARN]: ReaderWriterProxy: error while proxing the port 
> camera_usb_deployment.frame_raw: CORBA transient exception
>
> Currently maybe not so important: but with a cable connection it works 
> flawlessly.
>
> Chris
>
Try to set the time-outs to a very big value. Have you measured the 
network performance?
The task inspector was tested on a connection with 60ms delay and a band 
limit of 100kB/s.

Alex

>
>
> On 15.08.2012 19:29, Alexander Duda wrote:
>> On 08/15/2012 05:08 PM, Chris Mueller wrote:
>>> On 15.08.2012 14:27, Alexander Duda wrote:
>>>
>>>>> gui/vizkit => port_proxy
>>>>> tools/orocos.rb => experimental
>>>> Which repositories do i need to switch its branches? I have currently
>>>>
>>>> You have to switch vitkit and orocos.rb to proxy (not port_proxy)
>>>> Alex
>>> Are these changes currently compatible with ruby 1.9? Or did i miss
>>> maybe a specific dependency?
>> Yes, you were right. It was not tested on ruby1.9 and there were some 
>> incompatibilities. I pushed a bug fix to the branch proxy.
>>
>
>
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-- 
Dipl.-Ing. Alexander Duda
Unterwasserrobotik

DFKI Bremen
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