[scilab-Users] Reg :: Crash of Scilab

[Yann Collette]

Can you send a small data set stored in the data.dat file ?

YC

Sumit Adhikari a écrit :
> Hello,
>   This is a crash with following message :
>
>         ___________________________________________       
>               scilab-branches-5.1-1252497453
>
>                  Consortium Scilab (DIGITEO)
>                Copyright (c) 1989-2009 (INRIA)
>                Copyright (c) 1989-2007 (ENPC)
>         ___________________________________________       
>  
>  
> Startup execution:
>   loading initial environment
>  MESG :: Reading Data File ......
>  MESG :: Computing FFT ......
>  MESG :: Plotting FFT ....
> #
> # An unexpected error has been detected by Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0xdb5d6acc, pid=23315, tid=16384
> #
> # Java VM: Java HotSpot(TM) Server VM (11.0-b16 mixed mode linux-x86)
> # Problematic frame:
> # C  [libGL.so.1+0x43acc]
> #
> # An error report file with more information is saved as:
> # /fshy01/uxhyu/sa1/work/sdm/sim/hs_err_pid23315.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://java.sun.com/webapps/bugreport/crash.jsp
> # The crash happened outside the Java Virtual Machine in native code.
> # See problematic frame for where to report the bug.
> #
> /fshy01/uxhyu/sa1/tools/scilab-branches-5.1-1252497453/bin/scilab: 
> line 132: 23315 Aborted                 (core dumped) "$SCILABBIN" $*
>
> This is happening for only one data file!!!. Other dumps of the same 
> tracepoints are working. I cant attach the core. It is 1.8 GB!
> Same file with 4.2.1 working fine.
>
> Following is the script :
>
>  
> // Clearing the previous data (if any)
>    clear all ;
>
> // Handling stacksize
>    stacksize('max');
>
>
> function fft_plot()
>
> // Sampling Frequency Specification :
>    Fs = 1024.0*1024.0;
>
> // Sampling Time Period Specification
>    delt = 1.0/Fs;
>
> // Data File Read Up :
>    printf(" MESG :: Reading Data File ...... \n");
>    file_read_out = fscanfMat("./data.dat");
>
>
> // Expansion of Time :
>    t = 0.0:1.0/Fs:(size(file_read_out,"*")*delt);
>
> // Finding Out Number of Samples :
>    N = size(t,'*');
>
> // Clearing the array t
>    clear t ;
>  
> // Computing FFT :
>    printf(" MESG :: Computing FFT ...... \n");
>    fft_out=fft(file_read_out);
>
> // Clearing the array file_read_out
>    clear file_read_out ;
>
> // Expanding Frequency :
>    f = Fs*(0:(N/2))/N;
>    n = size(f,'*');
>
> // Setting Plot Down Sampler :
>    RDOWN = 1 ;
>
> // FFT Graphical Plot :
>    printf(" MESG :: Plotting FFT .... \n");
>    plot(f(1:n/RDOWN),20*log10(abs(fft_out(1:n/RDOWN))),"red"); 
> mtlb_grid("on");
>    
> //plot(log10(f(2:n/RDOWN)),20*log10(abs(fft_out(2:n/RDOWN))),"red"); 
> mtlb_grid("on");
>    //plot(f(1:n/RDOWN),abs(fft_out(1:n/RDOWN)),"red"); mtlb_grid("on");
>    xtitle( 'FFT Plot of Output Signal', ' Frequency (Hz) ', 'Gain (dB)') ;
>
> endfunction
>
>   fft_plot();
>
>
>
> Regards,
> Sumit
>
>


-- 
-----------------------------
Yann COLLETTE
Software Development Engineer
-----------------------------
The Scilab Consortium
Digiteo Foundation
Domaine de Voluceau
Rocquencourt - B.P. 105
78153 Le Chesnay France
Phone: +33.1.39.63.57.82