[Octave-bug-tracker] [bug #40242] FLTK + GUI = crash on MacOSX

[Rik]

Follow-up Comment #3, bug #40242 (project octave):

This is going to be pretty hard to debug.  One thought from the crash log is
that the drawnow() is called in thread #6 and halts on a lock while thread #0
goes on to segfault.  Is there a way to disable multi-threading?  I don't know
if the FLTK libraries are re-entrant and that could be the problem.  I saw
this post about disabling hyperthreading
(http://superuser.com/questions/467950/how-to-disable-hyperthreading-on-mac-os-x-lion).
 You might try it and see if (1) it still crashes, and (2) whether there is
now only a single thread running when it does.  There are other threading
mechanisms besides hyperthreading which might need to be turned off as well

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