[Octave-bug-tracker] [bug #48519] Segfault with Qt plotting when running demos

[Rik]

Follow-up Comment #9, bug #48519 (project octave):

Unfortunately, this still crashes for me as well.


parent: 22330:53e246fd8124 tip
 doc: Spellcheck documentation ahead of 4.2 release.
branch: default


It is fairly repeatable in stopping at axis demo #3.  This is a demo that
contains 9 subplots so there is going to be a lot of work by the graphics
system as it initially places the 9 subplots and then adjusts the positioning
slightly as titles are added.

Steps to reproduce


rm *.png
./run-octave -f dump_plot_demos.m


I experimented with adding back in the small delay in graphics.cc that allows
for the print routine to grab the mutex on the graphics object.  The value
that was there before was .05 (50 milliseconds).  That definitely helped, but
it is not a cure.  I experimented with delays up to 1 second, but I still
occasionally get segfaults.


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