[Octave-bug-tracker] [bug #53733] Panic/segfault when calling Java method after forge:im[read|write]

[Dmitri A. Sergatskov]

Follow-up Comment #49, bug #53733 (project octave):

Sorry -- it was cut-n-paste error with the previous code.

Here is the test code:



javaaddpath (".")
imwrite(zeros(1000), "foo.png");
graph = javaObject("Baz");
for jj=1:100
       N = 1000*jj
       tic; graph.addNodes(1:N); toc
endfor  

        

Running standalone I got:

octave:1> tjava
N =  1000
Elapsed time is 0.00399303 seconds.
N =  2000
Elapsed time is 0.00136709 seconds.
N =  3000
Elapsed time is 0.00197601 seconds.
N =  4000
Elapsed time is 0.00241995 seconds.
N =  5000
Elapsed time is 0.00188708 seconds.
N =  6000
Elapsed time is 0.00217009 seconds.
N =  7000
Elapsed time is 0.00244117 seconds.
N =  8000
Elapsed time is 0.00257707 seconds.
N =  9000
Killed

(It hanged after N=9000 and i had to kill -9 it)

running under gdb I got:

octave:1> tjava
[New Thread 0x7fffb2035700 (LWP 3230)]
[New Thread 0x7fffb1f33700 (LWP 3231)]
[New Thread 0x7fffb1c2f700 (LWP 3232)]
[New Thread 0x7fffb1b2d700 (LWP 3233)]
[New Thread 0x7fffb1a2b700 (LWP 3234)]
[New Thread 0x7fffb09a5700 (LWP 3235)]
[New Thread 0x7fffb08a3700 (LWP 3236)]
[New Thread 0x7fffb0529700 (LWP 3237)]
[New Thread 0x7fffb0427700 (LWP 3238)]
[New Thread 0x7fffb0326700 (LWP 3239)]
[New Thread 0x7fffb0225700 (LWP 3240)]
[New Thread 0x7fffb0124700 (LWP 3241)]
[New Thread 0x7fff91326700 (LWP 3242)]
[New Thread 0x7fff91225700 (LWP 3243)]
[New Thread 0x7fff90cfa700 (LWP 3244)]
[New Thread 0x7fff90bf9700 (LWP 3245)]
[New Thread 0x7fff90af8700 (LWP 3246)]
[New Thread 0x7fff68ae4700 (LWP 3247)]
N =  1000
Elapsed time is 0.00256085 seconds.
N =  2000
Elapsed time is 0.00192499 seconds.
N =  3000
Elapsed time is 0.00288796 seconds.
N =  4000
Elapsed time is 0.00139713 seconds.
N =  5000
Elapsed time is 0.0035069 seconds.
N =  6000

Thread 7 "QThread" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffc0e51700 (LWP 3228)]
0x00007fff9b4ff09b in ?? ()
Missing separate debuginfos...

Dmitri.
-- 


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