Roman Stawski <[email protected]> writes: > Hi folks > > I've noticed the following problem in 2.19.16 after updating from 2.19.11. > > When the code below compiles I get the error > "warning: cannot find Voice `refrain" > and then the compilation segfaults.
Which is not something we want to see. > It seems that the empty music and the voices don't play well > together inside the inner double brackets. Any ideas, anyone? This is very likely the fix to issues 2010, 1551, 702 <URL:https://code.google.com/p/lilypond/issues/detail?id=2010>. After this fix, putting synchronized music and independent non-synchronized music of different length at the same level will likely cause trouble. A segfault, however, is more trouble than permissible. > (Duh: The reason that I'm generating empty music is that I'm > conditionally inserting other lyrics in the real piece.) Possibly making this a skip may help? Not really sure. > Roman > > ---- Problem code follows > > \version "2.19.16" > > << > \new Staff { > \new Voice = "couplet" \relative c' { \voiceOne c2 } > \new Voice = "refrain" \relative c' { \voiceOne c2 } > } > > #(make-music 'Music) %% OK > \tag #'optional << > #(make-music 'Music) %% NOT OK > \new Lyrics \lyricsto "couplet" { Foo } > \new Lyrics \lyricsto "refrain" { Bar } > >> > #(make-music 'Music) %% OK >>> Backtrace is #0 is_alias (sym=0xb67b20d0, this=0x0) at context.cc:514 #1 find_context_below (where=0x0, type=0xb67b20d0, id="refrain") at context.cc:594 #2 0x080f66ce in Lyric_combine_music_iterator::find_voice (this=0x87816d0) at lyric-combine-music-iterator.cc:275 #3 0x080f6d1e in check_new_context (this=0x87816d0) at lyric-combine-music-iterator.cc:239 #4 Lyric_combine_music_iterator::check_new_context_callback (self=0x87816d0, ev=0xb7289f90) at lyric-combine-music-iterator.cc:230 #5 0x0810757f in dispatch (sev=0xb7289f90, this=<optimized out>) at dispatcher.cc:147 #6 Dispatcher::dispatch_callback (self=0x8749240, ev=0xb7289f90) at dispatcher.cc:75 #7 0x0810757f in dispatch (sev=0xb7289f90, this=<optimized out>) at dispatcher.cc:147 #8 Dispatcher::dispatch_callback (self=0x8631050, ev=0xb7289f90) at dispatcher.cc:75 #9 0x0810757f in dispatch (sev=0xb7289f90, this=<optimized out>) at dispatcher.cc:147 #10 Dispatcher::dispatch_callback (self=0x8776cd8, ev=0xb7289f90) at dispatcher.cc:75 #11 0x08107b3f in dispatch (sev=<optimized out>, this=0x8776398) at dispatcher.cc:147 #12 Dispatcher::broadcast (this=0x8776398, ev=0x8786f98) at dispatcher.cc:203 #13 0x081036e5 in Context::internal_send_stream_event (this=0x8776508, type=0xb6813670, origin=0x0, props=0xbfffc700) at context.cc:505 #14 0x081039a2 in Context::create_context (this=0x8776508, cdef=0x87281c8, id="refrain", ops=0x404) at context.cc:370 #15 0x081045e3 in Context::create_unique_context (this=0x8776508, name=0xb67b20d0, id="refrain", operations=0x404) at context.cc:128 #16 0x081047ee in Context::create_unique_context (this=0x8777e88, name=0xb67b20d0, id="refrain", operations=0x404) at context.cc:140 #17 0x0828565b in Context_specced_music_iterator::construct_children ( this=0x8786e08) at context-specced-music-iterator.cc:45 #18 0x08100869 in Music_iterator::get_iterator (this=0x8777838, m=0x87460c0) at music-iterator.cc:153 #19 0x08072d14 in Sequential_iterator::next_element (this=0x8777838) at sequential-iterator.cc:198 #20 0x080729ab in Sequential_iterator::process (this=0x8777838, until=...) at sequential-iterator.cc:234 #21 0x0819e756 in Music_wrapper_iterator::process (this=0x86302a0, m=...) at music-wrapper-iterator.cc:70 #22 0x0833bd64 in Simultaneous_music_iterator::process (this=0x8749360, until=...) at simultaneous-music-iterator.cc:98 #23 0x08130c0a in Global_context::run_iterator_on_me (this=0x8748d78, iter=0x8749360) at global-context.cc:170 #24 0x082c205a in ly_interpret_music_expression (mus=0xb719b2e8, ctx=0xb7228598) at global-context-scheme.cc:118 #25 0x082c24ab in ly_run_translator (mus=0xb719b2e8, output_def=0xb7204dd8) at global-context-scheme.cc:145 #26 0x0821b055 in Score::book_rendering (this=0x8747e48, layoutbook=0x8748018, default_def=0x8734cc0) at score.cc:141 and the rest is not really interesting. -- David Kastrup _______________________________________________ bug-lilypond mailing list [email protected] https://lists.gnu.org/mailman/listinfo/bug-lilypond
