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<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>It can be
unpredictable. Sometimes it crashes if you just tweak it a bit, say by
increasing the array size from 28125 to 281250, or creating multiple arrays.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>I’ve now had it crash
on Linux, with ruby 1.8.6 (2007-09-24 patchlevel 111) [i686-linux], and FXRuby
1.6.16. That error message is more detailed:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>FXRuby.cpp:1472:
FXASSERT(!NIL_P(obj)) failed.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>/usr/local/lib/ruby/gems/1.8/gems/fxruby-1.6.16/lib/fox16/kwargs.rb:2367:in
`old_initialize': undefined method `getIcon' for nil:NilClass (NoMethodError)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'> from
/usr/local/lib/ruby/gems/1.8/gems/fxruby-1.6.16/lib/fox16/kwargs.rb:2367:in
`initialize'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>So it looks like in
FXRuby.cpp, FXRbCallIconMethod() is calling FXRbGetRubyObj() and getting back nil?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>Tim Smith<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
fxruby-users-bounces@rubyforge.org [mailto:fxruby-users-bounces@rubyforge.org] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Philippe Lang<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 22, 2008
3:10 AM<br>
<b><span style='font-weight:bold'>To:</span></b> fxruby-users@rubyforge.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [fxruby-users]
FXTableItem.new segmentation fault</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Hi,</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Your program is running just fine on my
computer, for over 220 seconds now.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I'm using:</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>- Windows XP SP2</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>- ruby 1.8.6 (2007-09-24 patchlevel 111)
[i386-mswin32]</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>- fxruby (1.6.14)</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Philippe</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=FR style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
lang=FR style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>De :</span></font></b><font
size=2 face=Tahoma><span lang=FR style='font-size:10.0pt;font-family:Tahoma'>
fxruby-users-bounces@rubyforge.org [mailto:fxruby-users-bounces@rubyforge.org] <b><span
style='font-weight:bold'>De la part de</span></b> Tim Smith<br>
<b><span style='font-weight:bold'>Envoyé :</span></b> vendredi, 19.
septembre 2008 22:32<br>
<b><span style='font-weight:bold'>À :</span></b>
fxruby-users@rubyforge.org<br>
<b><span style='font-weight:bold'>Objet :</span></b> [fxruby-users]
FXTableItem.new segmentation fault</span></font><span lang=FR><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>Does the following code crash for anyone else? My app
is unpredictably crashing with a segmentation fault, which I can sometimes
reproduce with this contrived test case.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'> <o:p></o:p></span></font></p>
<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'>require 'fox16'; include Fox<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>start = Time.now<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>count = 0<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>items = []<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>while true<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> 28125.times {|i|<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> items[i] = FXTableItem.new ''<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> }<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> count += 1<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'> puts "#{count}, after #{Time.now - start} seconds"<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>end<o:p></o:p></span></font></pre>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>The eventual error:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'> <o:p></o:p></span></font></p>
<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'>c:/program files/ruby/lib/ruby/gems/1.8/gems/fxruby-1.6.16-x86-mswin32-60/lib/fox16/kwargs.rb:2367: [BUG] Segmentation fault<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>ruby 1.8.6 (2007-09-24) [i386-mswin32]<o:p></o:p></span></font></pre>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>I’ve had this code crash on XP and <st1:place w:st="on">Vista</st1:place>
(but not Linux), often in under a minute, though not always. Does anyone
know what might be going on?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>Thanks for any help,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>Tim Smith<o:p></o:p></span></font></p>
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