[pulseaudio-discuss] main.c: daemon startup failed.

[Ben Finney]

Sean McNamara <smcnam at gmail.com> writes:

> On Sun, 2008-04-13 at 18:34 +1000, Ben Finney wrote:
> >     Apr 13 18:27:53 lily pulseaudio[26288]: alsa-util.c: Error opening PCM device hw:0: No such device
> >     Apr 13 18:27:53 lily pulseaudio[26288]: module.c: Failed to load  module "module-alsa-source" (argument: "device_id=0 source_name=alsa_input.pci_106b_3e_alsa_capture_0"): initialization failed.
> 
> This is module-hal-detect attempting to automatically configure your
> ALSA devices. "no such device" on hw:0 is a pretty bad sign that your
> ALSA configuration is hosed.

:-(

> Without PA started, do you hear something when you execute something
> like `aplay /usr/share/sounds/shutdown.wav` in the console?

    $ aplay /usr/share/sounds/alsa/Noise.wav
    *** PULSEAUDIO: Unable to connect: Connection refused
    aplay: main:564: audio open error: Connection refused

    $ sudo aplay /usr/share/sounds/alsa/Noise.wav
    *** PULSEAUDIO: Unable to connect: Connection refused
    aplay: main:564: audio open error: Connection refused

> The default device assumed by aplay is hw:0, but in very rare cases
> you can actually have a hw:1 configured without a hw:0. In that
> case, you might want to enumerate the first few reasonably high card
> numbers until you hear sound: for i in "1 2 3 4 5"; do aplay -v
> --device=hw: $i /usr/share/sounds/shutdown.wav; done;

    $ for i in $(seq 0 5) ; do dev="hw:$i" ; echo $dev ; aplay -v --device=$dev /usr/share/sounds/alsa/Noise.wav ; done
    hw:0
    Playing WAVE '/usr/share/sounds/alsa/Noise.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
    aplay: set_params:918: Sample format non available
    hw:1
    ALSA lib pcm_hw.c:1240:(_snd_pcm_hw_open) Invalid value for card
    aplay: main:564: audio open error: No such file or directory
    hw:2
    ALSA lib pcm_hw.c:1240:(_snd_pcm_hw_open) Invalid value for card
    aplay: main:564: audio open error: No such file or directory
    hw:3
    ALSA lib pcm_hw.c:1240:(_snd_pcm_hw_open) Invalid value for card
    aplay: main:564: audio open error: No such file or directory
    hw:4
    ALSA lib pcm_hw.c:1240:(_snd_pcm_hw_open) Invalid value for card
    aplay: main:564: audio open error: No such file or directory
    hw:5
    ALSA lib pcm_hw.c:1240:(_snd_pcm_hw_open) Invalid value for card
    aplay: main:564: audio open error: No such file or directory

> If you don't get any sound, your problem is with ALSA and rather
> outside the scope of this mailing list. You can catch me on #alsa on
> chat.freenode.net as `allquixotic` if you want some help going
> through your ALSA configuration.

Thanks. I'll likely take you (or someone else) up on that offer.

-- 
 \             “Any intelligent fool can make things bigger and more |
  `\      complex… It takes a touch of genius – and a lot of courage |
_o__)         – to move in the opposite direction.” —Albert Einstein |
Ben Finney