closing invoice tab crashes app

[Andrew Sackville-West]

On Fri, Dec 12, 2008 at 11:33:13AM -0800, Andrew Sackville-West wrote:
> On Fri, Dec 12, 2008 at 08:19:41PM +0100, Christian Stimming wrote:
> > Am Freitag, 12. Dezember 2008 19:55 schrieb Andrew Sackville-West:
> > > > > 1. open an invoice anyway you like
> > > > > 2. close the invoice with the "x" in the corner of the tab
> > > > > 3. watch it die with a double free or some such.
> > > >
> > > > I haven't observed this myself, but this recent commit changed something
> > > > related to freeing memory http://svn.gnucash.org/trac/changeset/17747
> > >
> > > and yeah, I know about the backtrace... just didn't think of it.
> > >
> > > here is the gdb bt:
> > 
> > Unfortunately gnucash was compiled without debug symbols; however, I'm not 
> > sure whether ./configure --enable-debug would be sufficient to get a gnucash 
> > with debug symbols. The console output at least tells it has something to do 
> > with the g_hash_table, whose behaviour was changed in r17747. Could you try 
> > to compile r17746 (i.e. without that change) and see whether the problem goes 
> > away? If yes, that commit will be reverted for now and will need further 
> > testing.
> 
> I compiled with --enable-debug. what else should I do?  I think it
> might be a lack of debug symbols in glib perhaps?
> 
> I could try that re-compile at 17746, but since I'm in the middle of
> stepping through it, I'll fall back to that if I fail to find the
> problem.  Definitely something with the g_hash_table and the addition
> of destructors to the table. somewhere we are manually destroying
> stuff (probably with good reason) and the g_hash_table_destroy is also
> destroying stuff... right?

I found it, or least, I got it to happen in gdb. 

in dialog-invoice.c after destroying everything, the call to
gtk_widget_destroy(widget) brings it down in gtk_object_destroy().

A
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