There's an apport report and stack trace in LP #921383 To repeat my comment from there: according to the trace, the crash seems to be happening under this debug print:
#0 __find_specmb (format=0x7f39f1f40732 "%s: assertion `%s' failed") at printf-parse.h:99 which is triggering unbounded recursion involving the following loop: ... #10 pygobject_lookup_class (gtype=0) at /build/buildd/pygobject-2-2.28.6/gobject/pygobject.c:894 #11 0x00007f39e88b9032 in pyg_type_get_bases (gtype=0) at /build/buildd/pygobject-2-2.28.6/gobject/pygobject.c:659 #12 0x00007f39e88b90e2 in pygobject_new_with_interfaces (gtype=0) at /build/buildd/pygobject-2-2.28.6/gobject/pygobject.c:702 #13 0x00007f39e88b8fe5 in pygobject_lookup_class (gtype=0) at /build/buildd/pygobject-2-2.28.6/gobject/pygobject.c:913 #14 pygobject_lookup_class (gtype=0) at /build/buildd/pygobject-2-2.28.6/gobject/pygobject.c:894 ... ** Also affects: python Importance: Undecided Status: New ** Also affects: pygtk Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/896836 Title: Segmentation fault when asking help() for the list of modules To manage notifications about this bug go to: https://bugs.launchpad.net/pygtk/+bug/896836/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs