are you using multiple threads ? i would assume not. perhaps put the serial port code in another thread. and leave the gtk user inferace in the main thread.
matt On Thu, 15 Jun 2006 [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 > _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
