[maemo-developers] Segmentation fault in callback functions - maemo 4.0

[From: Jakov]

Yeah, it's the same to the N800 device. When I clicked on the button,
the app exited at once. I used only ARMEL target for testing
(simulation) and made .deb and installed on N800 device.

On 2/18/08, Eero Tamminen <eero.tamminen at nokia.com> wrote:
> Hi,
>
> ext Jakov wrote:
> > I have a simple app with socket communication. In Maemo 3.x it worked
> well.
> > But the problem comes when I use Maemo 4.0
> >
> > This line is ok when initializing:
> >
> > gtk_label_set_text (GTK_LABEL(communication_tab->label_connect),
> "Connect");
> >
> >
> > The label has text "Connect";
> >
> > When I click a button, I want to change its text, to "Reconnect", for
> > example. A callback func is invoked, you know. But in this func, an error
> > occurs:
> >
> > "qemu: uncaught target signal 11 (Segmentation fault) - exiting"
> >
> > It didn't happen in Maemo 3.x.
> >
> > Please tell me what's wrong. Thanks very much.
>
> Does it work on the target device?
>
> (ARM scratchbox target is really meant for building, use x86 target
> if you want to do testing in addition to the device.  On x86 you have
> also tools like Valgrind for finding errors in your code better.)
>
>
> 	- Eero
>