[PD] [GEM] pix_mano and latest linux kernels

Jaime Oliver jaime.oliver2 at gmail.com
Sun Oct 14 02:47:47 CEST 2012


/also:

(gdb) attach pd.
Illegal process-id: pd..

?

J


On Sat, Oct 13, 2012 at 8:36 PM, Jaime Oliver <jaime.oliver2 at gmail.com> wrote:
> Hey Hans,
>
> Thanks, but I am hitting a wall:
>
>> (gdb) add-symbol-file /home/joliver/Gem/extra/pix_mano/pix_mano.pd_linux
>> The address where /home/joliver/Gem/extra/pix_mano/pix_mano.pd_linux has been loaded is missing
>
> perhaps I should be adding Gem.pd_linux instead of my external?
>
> J
>
> On Sat, Oct 13, 2012 at 7:39 PM, Hans-Christoph Steiner <hans at at.or.at> wrote:
>>
>> Try running Pd with gdb and you'll get a lot more information on the crash.  Search puredata.info for "gdb" for howto.
>>
>> the "backtrace" command in gdb is a good place to start, it'll show you in which function the crash is occuring.
>>
>> .hc
>>
>> On Oct 13, 2012, at 5:27 PM, Jaime Oliver wrote:
>>
>>> Hi all, IOhannes,
>>>
>>> I am porting my systems from fedora 11 to ubuntu 12.04, but I am
>>> having some trouble with pix_mano. In Ubuntu 12.04 I get:
>>>
>>> Segmentation fault (core dumped)
>>>
>>> and Pd crashes
>>>
>>> I have tested it in two different computers and get the same results.
>>> The exact same code and versions of Pd ( I have tried both pd-0.42-5
>>> and pd-0.43-4)
>>> And I am using GEM: ver: 0.93.git 6d584fa
>>>
>>> The only thing that is different between ubuntu and fedora is the
>>> camera driver, but this is stable for other applications, and as far
>>> as I can understand a segmentation fault refers to a problem in memory
>>> allocation?
>>>
>>> IOhannes, I was trying to debug this and found that you had introduced
>>> some pimpl idiom stuff I don't know very well such as:
>>>
>>>        if(m_pimpl->p_enteringPoint->size < i) {
>>>          delete m_pimpl->p_enteringPoint;
>>>          m_pimpl->p_enteringPoint=NULL;
>>>        }
>>>
>>>        if(!m_pimpl->p_enteringPoint)
>>>          m_pimpl->p_enteringPoint=new PIMPL::enteringPoint(i);
>>>
>>> Do you think these might have anything to do with these segmentation
>>> fault crashes?
>>>
>>> best,
>>>
>>> J
>>>
>>> _______________________________________________
>>> Pd-list at iem.at mailing list
>>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>>
>
>
>
> --
> Jaime E Oliver LR
>
> jo2357 at columbia.edu
> www.jaimeoliver.pe
> 858 750 0924 (cel)



-- 
Jaime E Oliver LR

jo2357 at columbia.edu
www.jaimeoliver.pe
858 750 0924 (cel)



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