[Octave-bug-tracker] [bug #63849] Crash when plotting dotted line using system OpenGL

[Philip Nienhuis]

URL:
  <https://savannah.gnu.org/bugs/?63849>

                 Summary: Crash when plotting dotted line using system OpenGL
                   Group: GNU Octave
               Submitter: philipnienhuis
               Submitted: Tue 28 Feb 2023 04:07:50 PM CET
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: Philip Nienhuis
        Originator Email: 
             Open/Closed: Open
                 Release: 8.0.90
         Discussion Lock: Any
        Operating System: Microsoft Windows
           Fixed Release: None
         Planned Release: None


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Follow-up Comments:


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Date: Tue 28 Feb 2023 04:07:50 PM CET By: Philip Nienhuis <philipnienhuis>
Try this:

plot ([2, 2], [2, 4], 'linestyle', ':', 'linewidth', 1.5)


Octave-7.3.0 plots this fine. Octave-8.0.91 & dev Octave crash using system
OpenGL.
Switching to the Octave-supplied 0penGL.dll avoids the crash.

I wouldn't expect a crash with such a basic graphics command.
The 'linewidth' property seems to be the culprit; leaving it out I see no
crash either.

Ryzen 7 5800U with Radeon graphics.







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