[Octave-bug-tracker] [bug #53328] "test getframe" may fail when the CPU load is large

[Pantxo Diribarne]

URL:
  <http://savannah.gnu.org/bugs/?53328>

                 Summary: "test getframe" may fail when the CPU load is large 
                 Project: GNU Octave
            Submitted by: pantxo
            Submitted on: Mon 12 Mar 2018 09:16:06 AM UTC
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

Launching a few (say 4) octave sessions and running the following in each one
shows some test failures:


N = 1e3;
for i = 1:N
  bm(i) = test ('getframe');
endfor
sum (bm)


The image returned by "getframe" is empty. What is really intriguing is the
absence of warning (see bug #53186). I'll try and look into this tonight.




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