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Re: problem with 3.8 release-candidate 1


From: Kjetil brinchmann Halvorsen
Subject: Re: problem with 3.8 release-candidate 1
Date: Tue, 10 Dec 2013 20:32:36 +0100

see below.

On Tue, Dec 10, 2013 at 5:13 PM, Jordi Gutiérrez Hermoso
<address@hidden> wrote:
> On Tue, 2013-12-10 at 17:07 +0100, Kjetil brinchmann Halvorsen wrote:
>> see below.
>>
>> On Tue, Dec 10, 2013 at 5:00 PM, Jordi Gutiérrez Hermoso
>> <address@hidden> wrote:
>> > On Tue, 2013-12-10 at 16:46 +0100, Kjetil brinchmann Halvorsen wrote:
>> >> and when inside the program, I do
>> >> imshow(V, [])
>> >>   (or, imshow(VI, []) is the same)
>> >> --- and then it dies!
>> >
>> > I can't reproduce this.
>> >
>> > Can you please describe the nature of the death?
>>
>>   Yes, it bombs, without any seremonial (it first begins to show a
>> plot window, but that never completes)
>>
>> at the command line I can read:
>> address@hidden:~/Software/gnuoctave/RC1/octave-3.8.0-rc1$
>> ./run-octave --persist --force-gui  kjetil_test.m
>> octave exited with signal 11
>
> This is a segfault and the ceremonial I was looking for.
>
> Can you please rebuild Octave with debug symbols,
>
>     http://wiki.octave.org/Debugging_Octave
>
> and produce a stack trace?
>
>     http://wiki.octave.org/Debugging_Octave#Tools_for_debugging

Did build a debugging version as described on that page, but I have no
experience in using gdb.
here is what I could do:

address@hidden:~/Software/gnuoctave/RC1/octave-3.8.0-rc1$
./run-octave -g --persist --force-gui  kjetil_test.m
GNU gdb (GDB) 7.6.1-ubuntu
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
.
.
.
run
< enytering octave gui, doing there exactly as described before,
imshow(V etc...>
.
.
---Type <return> to continue, or q <return> to quit---
8.0-rc1/libinterp/dldfcn:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/dldfcn/.deps:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/dldfcn/.libs:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/octave-value:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/octave-value/.deps:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/octave-value/.libs:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/template-inst:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/template-inst/.deps:/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/template-inst/.libs
--image-path=/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/scripts/image
--doc-cache-file=/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/doc/interpreter/doc-cache
--built-in-docstrings-file=/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/libinterp/DOCSTRINGS
--texi-macros-file=/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/doc/interpreter/macros.texi
--info-file=/home/kjetil/Software/gnuoctave/RC1/octave-3.8.0-rc1/doc/interpreter/octave.info
--persist --force-gui kjetil_test.m
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
octave exited with signal 11
[Inferior 1 (process 24563) exited normally]
(gdb) bt
No stack.
(gdb)


doesn seem to be of much help?

Kjetil

>
> Thanks,
> - Jordi G. H.
>
>


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