On Mon, Jan 2, 2012 at 6:41 PM, Keith OHara <[email protected]> wrote:
> mike <at> apollinemike.com <mike <at> apollinemike.com> writes:
>> Some meh news: I don't get a segfault ...
>> Maybe someone else could give it a look?
>
> I can't produce the segfault, either.
Strange I can consistently reproduce it (just pulled the latest and
recompiled): Ubuntu 11.10, gcc 4.6.1.
> When I put a debug print at span-bar-stub-engraver.cc:119
> and run your file (with the engraver re-enabled) I never reach that line!
Again odd. I put a printf (followed by a flush) and it is printed.
> Mike, Maybe it is the empty \new Dynamics {} inside the PianoStaff in Jay's
> score? A print at line 109 shows that LilyPond is considering the empty
> Dynamics for inclusion in affected_contexts_. Maybe we are testing
> de-allocated memory?
This may be right. I haven't filled in the dynamics yet (so it's still
empty), but adding spacer rests over the whole piece makes the
segfault and the added print go away. This is at least a better
solution than removing the engraver.
(I played around with this idea (empty dynamics) attempting to make a
small example without any luck though.)
Thank's for taking a look.
-----Jay
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