On Aug 23, 2011, at 2:38 PM, lilyp...@googlecode.com wrote: > > Comment #13 on issue 1732 by reinhold...@gmail.com: occasional segfault when > compiling input/regression/midi/key-initial.ly > http://code.google.com/p/lilypond/issues/detail?id=1732 > > Looking through the code, it appears as follows to me: > -) Grob::internal_set_property calls Grob::is_live (), which crashed in line > 312 with the check > return scm_is_pair (immutable_property_alist_); > -) So, it seems like the immutable_property_alist_ member is not initialized. > -) All Grob constructors initialize that member from the passed argument > (either Grob* or SCM props) > -) So, my conclusion for now is that somewhere a grob (or some child class > instance) is created with the Grob (SCM props) constructor, where the passed > argument SCM props is some uninitialized value. >
To test this, you can use scm_display (immutable_property_alist_, scm_current_error_port ()); in the constructor. You'll get a lot of garbage, but it should (in theory) crash once it hits the uninitialized value. Cheers, MS _______________________________________________ bug-lilypond mailing list bug-lilypond@gnu.org https://lists.gnu.org/mailman/listinfo/bug-lilypond
