[scilab-Users] Reg :: Crash of Scilab

[Yann Collette]

Bad news: it works fine for me on the scilab-master + scilab-5.1-branch.
It seems that your code is hanging when plotting the data.
Have you tried to upgrade your video driver ?

YC

Sumit Adhikari a écrit :
> My Pleasure. See attachment. I think you need the full datafile as I 
> have done windowing before saving it.
> Regards,
> Sumit
>
>
> On Tue, Sep 15, 2009 at 5:10 PM, Yann Collette 
> <yann.collette at scilab.org <mailto:yann.collette at scilab.org>> wrote:
>
>     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
>
>


-- 
-----------------------------
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