[PD] [GEM] pix_mano and latest linux kernels

[Hans-Christoph Steiner]

This should attach automatically:

$ gdb pd

Otherwise try looking up the PID number of the 'pd' process, and then doing 'attach PID#' at the gdb prompt.

Try loading Gem.pd_linux first, then pix_mano.pd_linux

.hc


On Oct 13, 2012, at 8:36 PM, Jaime Oliver 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)