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[Octave-bug-tracker] [bug #53733] Panic/segfault when calling Java metho


From: Rik
Subject: [Octave-bug-tracker] [bug #53733] Panic/segfault when calling Java method after forge:im[read|write]
Date: Fri, 27 Apr 2018 18:07:59 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #39, bug #53733 (project octave):

I was finally able to get a different result out of gdb with the small test
program.

I created a local .gdbinit file with the following


set auto-load python-scripts off


Now, I can compile and run the test program and the backtrace has a bit more
meaning.


(gdb) run
Starting program: /home/rik/wip/Projects_Mine/octave-bugs/jvm/a.out 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007fffe5b5c2b4 in ?? ()
(gdb) bt
#0  0x00007fffe5b5c2b4 in ?? ()
#1  0x0000000000000246 in ?? ()
#2  0x00007fffe5b5c160 in ?? ()
#3  0x00007ffff7dd525c in
Abstract_VM_Version::_reserve_for_allocation_prefetch ()
   from /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/libjvm.so
#4  0x00007fffffffdc30 in ?? ()
#5  0x00007ffff790965d in VM_Version::get_cpu_info_wrapper ()
    at
/build/openjdk-8-OdO8jS/openjdk-8-8u162-b12/src/hotspot/src/cpu/x86/vm/vm_version_x86.cpp:395
#6  VM_Version::get_processor_features ()
    at
/build/openjdk-8-OdO8jS/openjdk-8-8u162-b12/src/hotspot/src/cpu/x86/vm/vm_version_x86.cpp:417
#7  0x49656e696c65746e in ?? ()
#8  0x00100800000406e3 in ?? ()
#9  0xbfebfbff7ffafbbf in ?? ()
#10 0x01c0003f1c004121 in ?? ()
#11 0x000000000000003f in ?? ()
#12 0x0000000000000000 in ?? ()


Of course, without gdb this runs just fine.

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