bugGNU Octave - Bugs: bug #48361, Segmentation fault with Qt figures

 
 

bug #48361: Segmentation fault with Qt figures

Submitted by:  Guillaume <gyom>
Submitted on:  Fri 01 Jul 2016 11:38:50 AM UTC  
 
Category:  Plotting Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Segfault, Bus Error, etc.
Status:  Invalid Assigned to:  None
Originator Name:  Guillaume Open/Closed:  Closed
Release:  dev Operating System:  GNU/Linux

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Fri 01 Jul 2016 03:41:00 PM UTC, comment #2: 

Sorry, this seems to be a consequence of my test of the getframe patch (file #37617) from bug #48195. Please close as invalid.

Guillaume <gyom>
Fri 01 Jul 2016 12:14:04 PM UTC, comment #1: 

it seems to be related to a figure's position. Octave also freezes by simply creating a new figure (call to figure ()) and resizing the figure using the mouse.

Guillaume <gyom>
Fri 01 Jul 2016 11:38:50 AM UTC, original submission:  

I suddenly observe very frequent segfault when opening figures - I would say this is related to a change in dev over the last week or so.

At the moment, running this:

F    = figure(...
    'Position',[659 20 767 1105],...
    'Visible','off');
figure(F)

results in this:

>> testfigure
>> panic: Segmentation fault -- stopping myself...
attempting to save variables to 'octave-workspace'...
save to 'octave-workspace' complete
Segmentation fault

or sometimes the figure becomes visible and unresponsive - Octave has to be killed.

It even seems that running something as simple as this:

figure('position',[659   200  767   421])

creates an unresponsive figure. If the 'position' property is not set up, it works as usual.

Guillaume <gyom>

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-07-01 mtmiller StatusNone => Invalid
        Open/ClosedOpen => Closed

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