bugGNU Octave - Bugs: bug #36548, After many imshow !

 
 

bug #36548: After many imshow !

Submitted by:  Fu Juay Chang <richerard>
Submitted on:  Sun 27 May 2012 01:43:51 PM UTC  
 
Category: NoneSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Segfault, Bus Error, etc.
Status: DuplicateAssigned to: None
Originator Name: Open/Closed: Closed
Release: 3.6.1Operating System: Microsoft Windows

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Mon 30 Sep 2013 03:23:21 AM UTC, comment #2:

Closing since bug #34631 has been fixed. If this problem persists this bug report can be reopened or a new bug reported.

Mike Miller <mtmiller>
Project Administrator
Sun 27 May 2012 07:47:35 PM UTC, comment #1:

I think this is the same bug as #34631. Just leave this one open until confirmed.

FWIW, I think this may actually related to fontconfig or so as after a certain number of plots those font error messages appear, but plots are still made (w/o text).

FLTK, Qt (w. Michael's MSVC version) and gnuplot are all affected. FLTK and Qt go on making plots, gnuplot hangs Octave.
But all three render Octave unstable after this error is hit.

Philip Nienhuis <philipnienhuis>
Project Member
Sun 27 May 2012 01:43:51 PM UTC, original submission:

I need to show a lot of images when studying pattern recognition. There happens critical problem after doing imshow many times. The simplified program and the corresponding octave prompts are given as follows.

>> figure, for i=1:100, subplot(10,10,i), imshow(rand(10)), end
>> figure, for i=1:100, subplot(10,10,i), imshow(rand(10)), end

warning: ft_manager: unable to load font: C:/Windows/fonts/arial.ttf
warning: ft_render: unable to load appropriate font
warning: ft_manager: unable to load font: C:/Windows/fonts/arial.ttf
warning: ft_render: unable to load appropriate font
............

The first line of program will be executed almost properly. However, many warning messages appear as soon as the second line is executed.

Fu Juay Chang <richerard>

 

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  • -unavailable- added by mtmiller (Posted a comment)
  • -unavailable- added by philipnienhuis (Posted a comment)
  • -unavailable- added by richerard (Submitted the item)
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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon 30 Sep 2013 03:23:21 AM UTCmtmillerOpen/ClosedOpen=>Closed
      Dependencies-=>Depends on bugs #34631
    Sun 27 May 2012 07:47:35 PM UTCphilipnienhuisStatusNone=>Duplicate
    Sun 27 May 2012 01:43:51 PM UTCricherardCarbon-Copy-=>Added -unavailable-

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