show stopper in xfwm4

edscott wilson garcia edscott at
Mon Sep 1 23:18:15 CEST 2003

On Mon, 2003-09-01 at 14:38, Olivier Fourdan wrote:
> Hi Edscott,
> On Mon, 2003-09-01 at 17:07, edscott wilson garcia wrote:
> > I came across a showstopper in xfwm4. On clicking the [-] from the title
> > bar, I doubleclicked simultaneously with the mouse move and the window
> > did not close nor did the menu appear. 
> I cannot reproduce that here. And I hardly see how this can happen given
> the code that handle this in xfwm4. This could come from gtk itself.
> Where you rinning from a remote display? What's your gtk version?

I've tried to reproduce it but without luck. I was running from local
display, with gtk 2.2.2.

> > Xfwm4 went into an endless loop.
> > Output on terminal on which X was running was:
> > 
> > Max = 1249
> That's not from xfwm4 at least.
> > printed about twice a second.
> > Apparently the maximize menu entry got a signal before it was supposed
> > to and xfwm4 looped trying to figure out the maximization borders. It is
> > very rare and difficult to reproduce, but it will force an X shutdown.
> That doesn't make much sense. If you are able to reproduce the problem,
> a gdb on the running process would tell where it is looping...

>From Bernhard mail, the loop text was not from xfwm4, so the bug is most
probably a race condition in gtk. Is there a way to signal xfwm4 so that
it will drop a core file? That would come in handy to pinpoint the place
where xfwm4 could be stopping. 



> Cheers,

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