Re: Segmentation fault during `make check'

[Michael Käppler]

Hi Jonas,
> > I do not know if the stack trace of the optimized binary is useful, but:
> >
> > #0  0x00007ffff780aa1c in scm_dapply (proc=0x404, arg1=<optimized out>,
> > args=0x7fffec751010)
> >       at eval.c:4989
> > #1  0x0000555555669b84 in
> > Engraver::internal_make_grob(scm_unused_struct*, scm_unused_struct*,
> > char const*, int, char const*) (this=<optimized out>,
> > symbol=0x7ffff2fc4920, cause=cause@entry=0x404, file=0x5555558d2848
> > "/home/michael/lilypond/lily/paper-column-engraver.cc", line=73,
> > fun=0x5555558d2f28 <Paper_column_engraver::make_columns()::__FUNCTION__>
> > "make_columns") at /home/michael/lilypond/lily/engraver.cc:146
> This is in the branch of "if (ly_is_procedure (creation_callback))",
> which probably means two things:
thanks for spotting this. 'creation_callback' is currently not protected
against
garbage collection, unlike the other debugging callbacks.
I will prepare a separate MR to fix this.

Michael