Am Donnerstag, dem 25.11.2021 um 08:40 +0100 schrieb Jonas Hahnfeld via Discussions on LilyPond development: > Am Mittwoch, dem 24.11.2021 um 23:01 +0100 schrieb Han-Wen Nienhuys: > > On Wed, Nov 24, 2021 at 8:13 PM Jonas Hahnfeld via Discussions on > > LilyPond development <lilypond-devel@gnu.org> wrote: > > > Assuming no major problems are found, we could then move completely to > > > Guile 2.2 and do releases without GUB. Both steps still require a bit > > > of work; I'm relatively sure there is still a GC related issue causing > > > (very rare) crashes with Guile 2.2 > > > > can you say more about this? > > Not really: I remember weird crashes with dumps that were not > immediately obvious.
It's relatively reproducible, I get it every 2nd-3rd time for full 'make doc's. Looking at the core dump, it's crashing in System::derived_mark when marking all_elements_ because the std::vector has garbage in its size field (it was probably freed). What I don't understand is how that can happen since the only way of setting all_elements_ is in System::init_elements where the originating SCM is also protected... > There's also this in a recent CI run: > https://gitlab.com/lilypond/lilypond/-/jobs/1775303890 And Jean just hit it (or another crash) again: https://gitlab.com/lilypond/lilypond/-/jobs/1819543552
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