[Dextrose] Sugar restart when downloading

[forster at ozonline.com.au]

See also bug http://bugs.sugarlabs.org/ticket/2437

> On Mon, 2010-10-18 at 15:58 -0300, Jorge Saldivar wrote:
> > Hi all,
> > 
> > Someone knows why dextrose (for xo 1.5) restart while you are
> > downloading something (big) in journal?
> >
> > The test case is the following:
> > 1. Enter here
> > http://xoplanet.blogspot.com/2010/08/descargar-open-office-para-xo.html to download oo4kids (~105MB)
> > 2. Wait and when the download is between 5% or 6% sugar restart and in
> > the log I can see this message: "python: Modules/gcmodule.c:262:
> > update_refs: La declaración `gc->gc.gc_refs != 0' no se cumple."
> 
> This is sl#2064, which has been haunting us for a while.
> 
> See comment 7, it describes exactly the problem you're seeing:
> 
>   http://bugs.sugarlabs.org/ticket/2064#comment:7
> 
> A few days ago I have obtained full a backtrace of this bug on Fedora 14
> (so it's not Dextrose specific or 0.88 specific):
> 
>   http://bugs.sugarlabs.org/attachment/ticket/2064/sl2064-full-backtrace.txt
> 
> I have also filed it in Red Hat's bugzilla, but so far nobody analyzed
> it:
>  
>   http://bugzilla.redhat.com/show_bug.cgi?id=640972
> 
> I have kept the full coredump of the crashing project, if someone would
> like to inspect the variables with gdb.
> 
> Another interesting question is: what exactly is the Sugar shell process
> doing while a file is downloading? We already suspect dbus, but finding
> the exact function call that triggers the bug may let us create a
> minimal testcase that triggers the bug quickly and is easier to debug.
> 
> -- 
>    // Bernie Innocenti - http://codewiz.org/
>  \X/  Sugar Labs       - http://sugarlabs.org/
> 
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