[bug #59547] Denemo does not start

[Ch P]

Follow-up Comment #5, bug #59547 (project denemo):

Sorry for the noise, I did not read carefully your answer about gdb. So, here
is the output when I type in first «gdb denemo», then «run» (denemo is
built with «--enable-debug») :

-----------------------------
[chris@portable-ch ~]$ gdb denemo
GNU gdb (GDB) 10.1
Copyright (C) 2020 Free Software Foundation, Inc.
[… …]
Reading symbols from denemo...
(No debugging symbols found in denemo)
(gdb) run
Starting program: /usr/bin/denemo 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffeccec640 (LWP 104809)]
[New Thread 0x7fffe7fff640 (LWP 104810)]
Denemo data expected in /usr/share/denemo/
[New Thread 0x7fffe71fc640 (LWP 104813)]
[New Thread 0x7fffe69fb640 (LWP 104814)]
[New Thread 0x7fffe61fa640 (LWP 104815)]
Denemo - MESSAGE : Loading preference file:
/home/chris/.denemo-2.4.0/denemorc
Denemo - MESSAGE : Audio driver is 'portaudio'
Denemo - MESSAGE : Initializing Fluidsynth
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
[New Thread 0x7fffe59f9640 (LWP 104816)]
[New Thread 0x7fffe51f8640 (LWP 104817)]
[Thread 0x7fffe51f8640 (LWP 104817) exited]
[Thread 0x7fffe59f9640 (LWP 104816) exited]
[New Thread 0x7fffe59f9640 (LWP 104818)]
[New Thread 0x7fffe51f8640 (LWP 104819)]
[Thread 0x7fffe51f8640 (LWP 104819) exited]
[Thread 0x7fffe59f9640 (LWP 104818) exited]
[New Thread 0x7fffe59f9640 (LWP 104820)]
[Detaching after vfork from child process 104821]
connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=Aucun fichier
ou dossier de ce type)
attempt to connect to server failed
[Thread 0x7fffe59f9640 (LWP 104820) exited]
fluidsynth: warning: SDL2 not initialized, SDL2 audio driver won't be usable
Denemo - MESSAGE : The default fluidsynth soundfont has been loaded
Denemo - MESSAGE : Initializing Rubberband
Denemo - MESSAGE : Initializing PortAudio backend
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
[New Thread 0x7fffe59f9640 (LWP 104823)]
[New Thread 0x7fffe51f8640 (LWP 104824)]
[Thread 0x7fffe51f8640 (LWP 104824) exited]
[Thread 0x7fffe59f9640 (LWP 104823) exited]
[New Thread 0x7fffe59f9640 (LWP 104825)]
[New Thread 0x7fffe51f8640 (LWP 104826)]
[Thread 0x7fffe51f8640 (LWP 104826) exited]
[Thread 0x7fffe59f9640 (LWP 104825) exited]
[New Thread 0x7fffe59f9640 (LWP 104827)]
connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=Aucun fichier
ou dossier de ce type)
attempt to connect to server failed
Denemo - MESSAGE : Opening output device 'ALSA: default'
[Thread 0x7fffe59f9640 (LWP 104827) exited]
[New Thread 0x7fffe59f9640 (LWP 104828)]
Denemo - MESSAGE : MIDI driver is 'portmidi'
Denemo - MESSAGE : Initializing PortMidi backend
[New Thread 0x7fffe51f8640 (LWP 104829)]
Denemo - MESSAGE : Opening input device 'ALSA: Midi Through Port-0'
Denemo - MESSAGE : Opening output device 'ALSA: Midi Through Port-0'
[New Thread 0x7fffdffff640 (LWP 104830)]
denemo:
src/hostapi/alsa/pa_linux_alsa.c :3636 : PaAlsaStreamComponent_BeginPolling:
 l'assertion « ret == self->nfds » a échoué.

Thread 17 "denemo" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffe59f9640 (LWP 104828)]
0x00007ffff607d615 in raise () from /usr/lib/libc.so.6
(gdb) 
-----------------------------

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