From: teeshift <teeshift@...>
Date: 2006-12-25T19:40:07+09:00
Subject: Re: event.rb line 434 : problem occurs while repeated creating and deleteing objects


Well... it seems odd that the simple code will fail.
I didn't realize that Ruby 1.9 is not stable yet. ( It is on the list
of Synaptic software manager!)

I  simply installed the stable version of both Ruby and Tcl/Tk.. and
wola!
it works.  All the previous problems are gone. :)

Tee


teeshift wrote:
> oh... you don't really need dec2ox.
> it still crashes... it is a library code I forgot to delete
>
>
> teeshift wrote:
> > Well..  I have tried several times without success so here it is ...
> >
> > Linux source 2.6.15-27-386 #1 PREEMPT Sat Sep 16 01:51:59 UTC 2006 i686
> > GNU/Linux
> > Ubuntu, Edgy
> >
> > Ruby and Tk is all 1.9
> >
> > I have modified to find out the shortest code possible that will
> > generate the same error.
> > If you move around mouse frequently enough, like continuously for about
> > 30 seconds,
> > the program will crash.
> >
> > So here is the code: ( it is really simple... and it crashes.. :( )
> >
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > #!/usr/bin/ruby1.9
> >
> >
> > class Draw
> >
> >   require 'dec2ox'
> >
> >   def initialize(root, width, height)
> >       @canvas = TkCanvas.new(root)
> >       @canvas.width = width
> >       @canvas.height = height
> >       @canvas.background = '#FFFFFF'
> >       @canvas.pack
> >
> >       TkcText.new(@canvas, 100,200, 'text' => '       ', 'tags' =>
> > 'text')
> >
> >       @canvas.bind('Motion', proc{|e| @canvas.itemconfigure('text',
> > 'text' => e.x.to_s + " " + e.y.to_s)})
> >
> >   end
> >
> >
> >
> > end
> >
> > require 'tk'
> >
> > monitor_width = 500
> > monitor_height = 250
> > root = TkRoot.new
> > Draw.new(root, monitor_width, monitor_height)
> >
> >
> > Tk.mainloop
> >
> >
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> >
> >
> >
> >
> >
> > Hidetoshi NAGAI wrote:
> > > From: "teeshift" <teeshift@gmail.com>
> > > Subject: event.rb line 434 : problem occurs while repeated creating and deleteing objects
> > > Date: Sat, 25 Nov 2006 04:49:19 +0900
> > > Message-ID: <1164194940.722117.173420@h48g2000cwc.googlegroups.com>
> > > >  /usr/lib/ruby/1.9/tk/event.rb:434: [BUG] Segmentation fault
> > > > ruby 1.9.0 (2006-04-21) [i486-linux]
> > >
> > > Could you try the followings?
> > >
> > >  * Please check consistency of native-thread support between
> > >    Ruby and Tcl/Tk.
> > >
> > >  * Please try the latest version of Ruby/Tk.
> > >
> > >  * Please send me your Tcl/Tk's version and your code which
> > >    causes SEGV.
> > > 
> > > -- 
> > > Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)