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Re: ly:page-turn-breaking core dumps

From: Thomas Morley
Subject: Re: ly:page-turn-breaking core dumps
Date: Sat, 1 Feb 2020 15:53:58 +0100

Am Sa., 1. Feb. 2020 um 15:46 Uhr schrieb Pierre-Luc Gauthier
> Hi there,
> So, this problem comes up once in awhile but, I do not know why, its
> now recurrent on multiple projects now.
> All my orchestral projects compile about 96 PDF all using the
> ly:page-turn-breaking algorithm that I love so very very much. But
> sometimes, it fails with the error bellow. By sometimes I mean, it
> *always* breaks until I do significant music changes that, I suppose,
> changes the page layout until the problem is avoided by chance.
> Here is the interesting tail of the output :
> Calculating page and line breaks (8 possible page breaks)...lilypond:
> /tmp/packerbuild-1000/lilypond-git/lilypond-git/src/lilypond/lily/page-turn-page-breaking.cc:218:
> void Page_turn_page_breaking::calc_subproblem(vsize): Assertion
> `!std::isinf (best.demerits_) && start < end - 1' failed.
> ./publish.sh: line 11: 63598 Aborted                 (core dumped)
> lilypond -dno-point-and-click -ddelete-intermediate-files
> -dembed-source-code --pdf -o ./upload/ ./parts-book-template.ily
> I'm sure there is a way to create a MWE but I've never manage to do
> so. It's sort of a "once in a specific while" kind of problem.
> How can I help this bug along?
> --
> Pierre-Luc Gauthier
> _______________________________________________
> bug-lilypond mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/bug-lilypond

This may be related to https://sourceforge.net/p/testlilyissues/issues/4943/
Currently intensively discussed.

May I ask which OS you use, 32 or 64 bit ?


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