Toujours plus près !!!
J'ai suivi pas à pas ce que tu me conseilles de faire et voici les conclusions.
Avec la commande /usr/bin/pulseaudio --daemonize --log-target=stderr -v, le démon se lance à certaines conditions :
1) Si defaut.pa ne contient aucun module, il refuse de se lancer.
2) En activant simplement module-volume-restore, le démon se lance. C'est chouette mais je ne peux rien en faire !
3) En rajoutant les modules module-alsa-sink ou module-alsa-source, le démon ne se charge plus.
4) Si je remplace les module-alsa par module-hal-detect, le démon se charge mais il est inutilisable (pas de sink)
Voici une copie d'écran de la commande pulseaudio -vv (avec module-hal-detect)
I: main.c: PolicyKit grants us acquire-high-priority privilige.
I: main.c: We're in the group 'pulse-rt', allowing real-time and high-priority scheduling.
I: core-util.c: Successfully gained nice level -11.
W: main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Opération non permise
I: main.c: Page size is 4096 bytes
I: main.c: Fresh high-resolution timers available! Bon appetit!
I: module-hal-detect.c: Trying capability alsa
D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/computer_alsa_timer
D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/computer_alsa_sequencer
D: module-hal-detect.c: Loading module-alsa-sink with arguments 'device_id=0 sink_name=alsa_output.pci_1412_1712_alsa_playback_0'
D: alsa-util.c: Trying front:0...
I: alsa-util.c: PCM device front:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround40:0...
I: alsa-util.c: PCM device surround40:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround41:0...
I: alsa-util.c: PCM device surround41:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround50:0...
I: alsa-util.c: PCM device surround50:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround51:0...
I: alsa-util.c: PCM device surround51:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround71:0...
ALSA lib conf.c:3949:(snd_config_expand) Unknown parameters 0
ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM surround71:0
I: alsa-util.c: Couldn't open PCM device surround71:0: Argument invalide
D: alsa-util.c: Trying hw:0 as last resort...
W: alsa-util.c: Device hw:0 doesn't support 2 channels, changed to 10.
W: alsa-util.c: Device hw:0 doesn't support sample format s16le, changed to s32le.
I: module-alsa-sink.c: Successfully opened device hw:0.
I: module-alsa-sink.c: Successfully enabled mmap() mode.
I: alsa-util.c: Successfully attached to mixer 'hw:0'
I: alsa-util.c: Cannot find mixer control "Master".
W: alsa-util.c: Cannot find fallback mixer control "PCM".
D: sink.c: pa_sink_new: Assertion <map && pa_channel_map_valid(map)> failed.
E: module-alsa-sink.c: [color=#FE0010]Failed to create sink object[/color]
E: module.c: [color=#FC0216]Failed to load module "module-alsa-sink" (argument: "device_id=0 sink_name=alsa_output.pci_1412_1712_alsa_playback_0"): initialization failed.[/color]
D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1712_alsa_playback_0
D: module-hal-detect.c: Loading module-alsa-source with arguments 'device_id=0 source_name=alsa_input.pci_1412_1712_alsa_capture_0'
D: alsa-util.c: Trying front:0...
I: alsa-util.c: PCM device front:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround40:0...
I: alsa-util.c: PCM device surround40:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround41:0...
I: alsa-util.c: PCM device surround41:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround50:0...
I: alsa-util.c: PCM device surround50:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround51:0...
I: alsa-util.c: PCM device surround51:0 refused our hw parameters: Argument invalide
D: alsa-util.c: Trying surround71:0...
ALSA lib conf.c:3949:(snd_config_expand) Unknown parameters 0
ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM surround71:0
I: alsa-util.c: Couldn't open PCM device surround71:0: Argument invalide
D: alsa-util.c: Trying hw:0 as last resort...
W: alsa-util.c: Device hw:0 doesn't support 2 channels, changed to 12.
W: alsa-util.c: Device hw:0 doesn't support sample format s16le, changed to s32le.
I: module-alsa-source.c: Successfully opened device hw:0.
I: module-alsa-source.c: Successfully enabled mmap() mode.
I: alsa-util.c: Successfully attached to mixer 'hw:0'
I: alsa-util.c: Cannot find mixer control "Capture".
W: alsa-util.c: Cannot find fallback mixer control "Mic".
D: source.c: pa_source_new: Assertion <map && pa_channel_map_valid(map)> failed.
E: module-alsa-source.c: Failed to create source object
E: module.c: Failed to load module "module-alsa-source" (argument: "device_id=0 source_name=alsa_input.pci_1412_1712_alsa_capture_0"): initialization failed.
D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1712_alsa_capture_0
D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1712_alsa_midi_0
D: module-hal-detect.c: Not loaded device /org/freedesktop/Hal/devices/pci_1412_1712_alsa_control__1
I: module-hal-detect.c: Loaded 0 modules.
I: module.c: Loaded "module-hal-detect" (index: #0; argument: "").
I: module-volume-restore.c: starting with empty ruleset.
I: module.c: Loaded "module-volume-restore" (index: #1; argument: "").
D: module-default-device-restore.c: No previous default sink setting, ignoring.
D: module-default-device-restore.c: No previous default source setting, ignoring.
I: module.c: Loaded "module-default-device-restore" (index: #2; argument: "").
I: main.c: Daemon startup complete.
D: module-hal-detect.c: dbus: interface=org.freedesktop.DBus, path=/org/freedesktop/DBus, member=NameAcquired
Certaines lignes sont en rouge :
E: module-alsa-sink.c: Failed to create sink object
E: module.c: Failed to load module "module-alsa-sink" (argument: "device_id=0 sink_name=alsa_output.pci_1412_1712_alsa_playback_0"): initialization failed.
(...)
E: module-alsa-source.c: Failed to create source object
E: module.c: Failed to load module "module-alsa-source" (argument: "device_id=0 source_name=alsa_input.pci_1412_1712_alsa_capture_0"): initialization failed.
Ce qui semble indiquer que le problème vient surtout de là.
Maintenant, reste à trouver comment le résoudre :-o