It sounds like lightening the load merely reduces the chance of hitting some race condition. You say your app makes heavy use of the serial port. Are you doing this in a separate thread? If so, is that thread also making gtk calls (in addition to the main thread)?
// Wally On Thu, 2006-06-15 at 14:41 -0400, [EMAIL PROTECTED] wrote: > I'm writing an application that makes fairly heavy use of the serial port. > While testing this app, things seem to be running fine, until I wiggle > the mouse quickly over a treeview (a list) or over a few checkboxes in the > window. Sometimes I have to wiggle for a minute, sometimes just 5 seconds > will do, but the app crashes, with either a segfault, or GLib reporting a > corrupted doubly linked list. > > Some thoughts: > 1. Wiggling the mouse anywhere besides over the treeview or the > checkboxes causes no problems. > > 2. Processor usage goes up significantly when wiggling the mouse over the > treeview or the checkboxes. > > 3. The problem can be completely avoided by making the offending widgets > non-sensitive (dimmed out). > > 4. I'm running on an old computer, a Celeron, at around 400Mhz or so :( > > Could number 4 be the culprit? Perhaps wiggling the mouse over some > widgets (and thus causing GTK to redraw them, presumably) slows down the > system so much (70% processor usage at the time of death sometimes) that > some routines or signals interrupt themselves and do something naughty? > > When I modify the program (skipping key routines) to drastically lower the > processor usage, the problem goes away. > > I would like to chalk this up to a weak computer... but it seems unlikely > to me that GTK simply blows up on old computers (with very busy apps). > > For reference: > 400 Mhz Celeron > 128 Megs ram > Debian Linux > GTK 2.6 > > Any advice is appreciated! > > _______________________________________________ > gtk-app-devel-list mailing list > gtk-app-devel-list@gnome.org > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list -- Your eyes are weary from staring at the CRT. You feel sleepy. Notice how restful it is to watch the cursor blink. Close your eyes. The opinions stated above are yours. You cannot imagine why you ever felt otherwise. _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list