Re: [gtk-list] Lockup related to gdk_window_move -- help!

[Jeremy Weatherford <xidus xidus net>]

Well, that message was a tad premature.  The problem turned out to be
related to something I hadn't even thought of (of course).  I was using
setitimer and SIGALRM to handle periodic activities, and this occaisonally
caused problems with some of X's functions.

Using gtk_timeout_add fixed everything.  :)

Jeremy Weatherford
xidus@xidus.net
http://xidus.net/

On Mon, 17 Jan 2000, Jeremy Weatherford wrote:

> 
> Hi,
> 
> I've been working on a GTK app for about a week now, and just today it
> started locking up randomly anywhere from 15 seconds to a minute after
> starting.  It's a fairly complex app at this point, and I have no idea
> what's causing the problems.  I haven't been able to narrow it down to a
> specific action, or piece of code, or anything.
> 
> In gdb, when I break out of the program once it's locked up, the stack
> trace says:
> (gdb) bt
> #0  0x2ac93637 in _XFlushInt () from /usr/X11R6/lib/libX11.so.6
> #1  0x2ac9693d in _XFlush () from /usr/X11R6/lib/libX11.so.6
> #2  0x2ac85b84 in XMoveWindow () from /usr/X11R6/lib/libX11.so.6
> #3  0x2ac344d7 in gdk_window_move () from /usr/lib/libgdk-1.2.so.0
> Cannot access memory at address 0x40.
> 
> I'm not calling gdk_window_move directly, or doing anything nonstandard
> with my widgets.  I'm using CLists, option menus, buttons, labels, and
> scales, and that's it.
> 
> Unfortunately the app is rather involved to submit as a test case... I'll
> see what I can do to simplify the scenario, but I'm frustrated beyond
> belief with not being able to get in there and debug this.
> 
> I was originally using the gtk+ that came with Mandrake 6.5, which I think
> is 1.2.2.  I just upgraded to gtk+ 1.2.6-6, though, and recompiled, with
> no improvements.
> 
> [xidus@bork spumoni]$ rpm -q gtk+-devel gtk+ glib
> gtk+-devel-1.2.6-6mdk
> gtk+-1.2.6-6mdk
> glib-1.2.6-1mdk
> 
> Has anyone seen this before, or have any idea where to start looking for
> problems?
> 
> Thanks,
> Jeremy Weatherford
> xidus@xidus.net
> http://xidus.net/
> 
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