Public bug reported: run this program:
import signal import gtk signal.signal(signal.SIGCHLD, lambda *args: None) gtk.main() Send it SIGCHLD. CPU usage will go to 100% as it goes into an infinite loop failing to read from a pipe. Upstream bug report is https://bugzilla.gnome.org/show_bug.cgi?id=640738 with a patch to fix the issue. This shows up on Maverick, at least. ** Affects: pygtk (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to pygtk in ubuntu. https://bugs.launchpad.net/bugs/708847 Title: Unreasonable CPU usage after receiving signal -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs