On 3/27/07, Jef Driesen <[EMAIL PROTECTED]> wrote:
> [Repost, forgot the send a copy to the list]
>
> Paul Davis wrote:
> > On 3/26/07, Jef Driesen <[EMAIL PROTECTED]> wrote:
> >> Murray Cumming wrote:
> >>> On Mon, 2007-03-26 at 16:30 +0200, Jef Driesen wrote:
> >>>> Jonathon Jongsma wrote:
> >>>>> On 3/26/07, Jef Driesen <[EMAIL PROTECTED]> wrote:
> >>>>>> The application works fine, but closing the main window results in a
> >>>>>> segmentation fault (core dump). As far as I can tell (from a gdb
> >>>>>> backtrace) the crash is not in my own code, but somewhere inside the
> >>>>>> gtk(mm) library.
> >>>>> Could you provide the backtrace? that might be helpful information.
> >>>> Sometimes I don't get the segmentation fault, but only a large number of
> >>>> errors. See attachment for both the backtrace and the errors.
> >>> If you get glib errors, try debuggin with --g-fatal-warnings, or with a
> >>> breakpoing on g_log. Then you'll get a backtrace at the relevant point.
> >> Backtrace attached, although it doesn't seem to provide much more
> >> information to me.
> >>
> >>> valgrind's memcheck is also incredibly helpful. Trust us on this. You
> >>> won't regret trying it.
> >> I get lots of errors from valgrind, but I also get them for the trivial
> >> program
> >>
> >> int main (int argc, char *argv[])
> >> {
> >> Gtk::Main kit(argc, argv);
> >> Gtk::Window window;
> >> kit.run(window);
> >> return 0;
> >> }
> >>
> >> But to be honest I never used valgrind before, so I could be using it
> >> wrong.
> >
> > By chance, does your vbox3 that you pull out of glade contain a
> > Gtk::Menu? I seem to remember reading somewhere about a problem
> > pulling the menu out of glade but not the window that contains it.
> >
> > Although, I can't recall this ever happening to me...
>
> That could be the problem, because the vbox contains an (unused)
> menubar. Removing that menubar from the glade file fixes the problem.
>
> > You might try having your Application class have the top level window
> > as a member variable that gets pulled out of the glade file instead of
> > inheriting from Gtk::Window. You should be able to test that in about
> > 5 minutes and see if it makes a difference.
>
> This also fixes the crash.
>
>
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First off, can you list the version numbers for:
gtk, gtkmm, glade, and libglademm
You should be able to check them with:
$ pkg-config --modversion gtk+-2.0
$ pkg-config --modversion gtkmm-2.4
$ pkg-config --modversion libglade-2.0
$ pkg-config --modversion libgaldemm-2.4
Jeff, if you have a chance, could you post the least amount of
compilable code that generates this error, along with the glade file.
That'll help making a simple test case to try and isolate the problem.
I did some looking around on bugzilla, but I didn't see anything
related at first glance. I was pretty sure I read an email not too
long ago about a problem similar to this, then again, I could be
crazy.
Paul Davis
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