[PD] [gridflow-win32] feedback_fractal crashing

patko colet.patrice at free.fr
Fri Feb 18 01:13:08 CET 2011


the attached patch show how it crashes

if both #store has a #for with same dimensions it doesn't crash, but when dimensions are different, here come the bug


----- "Mathieu Bouchard" <matju at artengine.ca> a écrit :

> On Thu, 17 Feb 2011, patko wrote:
> 
> > the crash seems to come from this object:
> > #X obj 80 277 #store
> > here is the gdb message
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x68738763 in probe () at
> c:/MinGW/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_tree.h:462
> > 462           { return
> static_cast<_Link_type>(this->_M_impl._M_header._M_parent
> > gdb doesn't talk a lot, I hope it could be some help.
> 
> STL crashes are usually caused by a bug somewhere else, that corrupts
> 
> STL's private data, most often trees. I've seen that before, and if
> you 
> don't have Valgrind, you're quite doomed.
> 
> Do you know any software that could help you debug ?
> 
> Another approach is to cut elements of the patch while making sure
> that it 
> still crashes. Then we will know the bug to be in a smaller subset of
> 
> GridFlow's code.
> 
>  
> _______________________________________________________________________
> | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal,
> QC

-- 
Patrice Colet 
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