Re: [Denemo-devel] Denemo Debian build

[Andreas Schneider]

Am 11.07.2015 um 18:18 schrieb Richard Shann:
> Incidentally if you are seeing it more often, perhaps you could do as I
> do and make a habit of starting Denemo up under gdb (that is
> gdb denemo
> ...
> gdb> run
> )
> That way if you get the crash you can get a clue to what the problem is
> using the where or bt commands.

I did what you suggested just to test, and the second try the crash
appeared. On resize. However, I did not get back the gdb> prompt or a
SIGSEGV message, the program just hangs. How can I get more information?
Here is the output:

GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
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and "show warranty" for details.
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Type "show configuration" for configuration details.
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from denemo...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/denemo
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Denemo - MESSAGE : Loading preference file:
/home/andreas/.denemo-1.2.5/denemorc
[New Thread 0x7fffdfe33700 (LWP 2106)]
Denemo - MESSAGE : Audio driver is 'portaudio'
Denemo - MESSAGE : Initializing Fluidsynth
Denemo - MESSAGE : The default fluidsynth soundfont has been loaded
Denemo - MESSAGE : Initializing Rubberband
Denemo - MESSAGE : Initializing PortAudio backend
Expression 'alsa_snd_pcm_hw_params_set_period_size_near( pcm, hwParams,
&alsaPeriodFrames, &dir )' failed in 'src/hostapi/alsa/pa_linux_alsa.c',
line: 924
Expression 'alsa_snd_pcm_hw_params_set_period_size_near( pcm, hwParams,
&alsaPeriodFrames, &dir )' failed in 'src/hostapi/alsa/pa_linux_alsa.c',
line: 924
Expression 'alsa_snd_pcm_hw_params_set_period_size_near( pcm, hwParams,
&alsaPeriodFrames, &dir )' failed in 'src/hostapi/alsa/pa_linux_alsa.c',
line: 924
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib confmisc.c:1286:(snd_func_refer) Unable to find definition
'cards.HDA-Intel.pcm.rear.0:CARD=0'
ALSA lib conf.c:4259:(_snd_config_evaluate) function snd_func_refer
returned error: Datei oder Verzeichnis nicht gefunden
ALSA lib conf.c:4738:(snd_config_expand) Evaluate error: Datei oder
Verzeichnis nicht gefunden
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM rear
ALSA lib confmisc.c:1286:(snd_func_refer) Unable to find definition
'cards.HDA-Intel.pcm.center_lfe.0:CARD=0'
ALSA lib conf.c:4259:(_snd_config_evaluate) function snd_func_refer
returned error: Datei oder Verzeichnis nicht gefunden
ALSA lib conf.c:4738:(snd_config_expand) Evaluate error: Datei oder
Verzeichnis nicht gefunden
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM center_lfe
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
[New Thread 0x7fffdec93700 (LWP 2107)]
[New Thread 0x7fffdec12700 (LWP 2108)]
[New Thread 0x7fffdeb91700 (LWP 2109)]
Denemo - MESSAGE : Opening output device 'JACK Audio Connection Kit: system'
Denemo - WARNING : Couldn't open output stream
Denemo - WARNING : Initializing audio backend 'portaudio' failed,
falling back to dummy
Denemo - MESSAGE : Initializing dummy audio backend
[New Thread 0x7fffdeb10700 (LWP 2110)]
Denemo - MESSAGE : MIDI driver is 'portmidi'
Denemo - MESSAGE : Initializing PortMidi backend
[New Thread 0x7fffde30f700 (LWP 2111)]
Denemo - MESSAGE : Opening input device 'ALSA: MPK249 MIDI 1'
Denemo - MESSAGE : Opening output device 'ALSA: Midi Through Port-0'
[New Thread 0x7fffddb0e700 (LWP 2112)]
Denemo - MESSAGE : Denemo version 1.2.5
Denemo - MESSAGE : Loaded keymap
/home/andreas/.denemo-1.2.5/actions/Default.commands
Denemo - MESSAGE : Reading history file
/home/andreas/.denemo-1.2.5/denemohistory
Success 1
Denemo - WARNING : Handling unknown type of chord as whole note
Denemo - MESSAGE : Opening file
/home/andreas/noten/Taenze/Branle_d_Ecosse.denemo
[New Thread 0x7fffc83f8700 (LWP 2116)]
[New Thread 0x7fffc69d7700 (LWP 2120)]

Andreas