[Lazarus] Unable to debug GUI

[Marc Weustink]

Michael Van Canneyt wrote:
>
> Hi,
>
> I have a machine on which I'm completely unable to debug GUI programs.
> The machine runs Ubunutu 12.04 LTS.
> If I try to debug, the whole system (at least X11, later the complete
> system) hangs as soon as there is a breakpoint in a GUI event handler.


Try debugging you app on a second instance of X  ( display :1)
in some cases X locks up when a breakpoint happens inside a X event.

Marc



>
> It doesn't matter whether I do the debugging in Lazarus or in GDB directly.
>
> The same program, the same breakpoint on another machine, same OS, works
> just fine.
>
> The sole difference between the 2 machines is the graphics display: An
> NVidea card on the machine that is OK,
> An on-board Intel chip on the machine that does not work.
>
> So I'm inclined to suspect a buggy intel graphics driver.
>
> Has anyone experienced such a situation? If so, I'd appreciate any hints
> you may have.
>
> Michael.
>
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