Re: Debug gb.desktop

[Benoît Minisini <benoit.minisini@xxxxxxxxxxxxxxxx>]

Le 30/06/2026 à 14:08, gbWilly a écrit :
> On gambas.one someone encountered some occasional trouble using gb.desktop
>
> This is the message he gets in IDE:
> 'BadWindow (invalid Window parameter)'.
>    (Details: serial 63739 error_code 3 request_code 20 (core protocol) 
> minor_code 0)
>    (Note to programmers: normally, X errors are reported asynchronously;
>     that is, you will receive the error a while after causing it.
>     To debug your program, run it with the GDK_SYNCHRONIZE environment
>     variable to change this behavior. You can then get a meaningful
>     backtrace from your debugger if you break on the gdk_x_error() 
> function.)
>
> His question is how he can debug gb.desktop from IDE, so some more 
> details on what goes wrong are provided.
>
> Anyone know how?
>
> gbWilly
>
> GambOS <https://gambos.gambas.one/>
> Gambas3 for Debian/Ubuntu <https://gitlab.com/gbWilly/gambas3-debian- 
> repository>
> <https://gambos.gambas.one/>
>
> *...there is always a Catch if things go wrong!*
>
> Sent with Proton Mail <https://proton.me/mail/home> secure email.

He must do what is written in the error message: set GDK_SYNCHRONIZE to 
"1". Then the program will crash exactly at the bad X11 function call.

If the bug is reproducible, he must provide his project.

Regards,

--
Benoît Minisini.