Pulseaudio Foibles

[dovidhalevi]

I am not using it, but kde starts it. This from my logs:

Nov  9 15:33:46 d_baron pulseaudio[13214]: alsa-sink.c: Disabling timer-based
scheduling because high-resolution timers are not available from the kernel.
Nov  9 15:33:47 d_baron pulseaudio[13214]: alsa-source.c: Disabling timer-
based scheduling because high-resolution timers are not available from the
kernel.
Nov  9 15:33:49 d_baron pulseaudio[13214]: module-alsa-card.c: Failed to find
a working profile.
Nov  9 15:33:50 d_baron pulseaudio[13214]: module.c: Failed to load  module
"module-alsa-card" (argument: "device_id="2" name="platform-snd_mpu401.0"
card_name="alsa_card.platform-snd_mpu401.0" tsched=yes ignore_dB=no
card_properties="module-udev-detect.discovered=1""): initialization failed.

This from .config:

CONFIG_HIGH_RES_TIMERS=y

CONFIG_HPET_TIMER=y

CONFIG_HZ_1000=y
CONFIG_HZ=1000
CONFIG_SCHED_HRTICK=y


So the 1st two errors are ??

I have no idea what the mpu401 error is about--that is driving a Yamaha sw60xg
sound generator.

(Were I to use it, I would need to have jack started, its modules in the
configs, etc. I have played through the audio card using pulse so it "works.")

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[Clemens Ladisch]

David Baron wrote:

> Nov  9 15:33:46 d_baron pulseaudio[13214]: alsa-sink.c: Disabling timer-based
> scheduling because high-resolution timers are not available from the kernel.
> Nov  9 15:33:47 d_baron pulseaudio[13214]: alsa-source.c: Disabling timer-
> based scheduling because high-resolution timers are not available from the
> kernel.
>
> This from .config:
> CONFIG_HIGH_RES_TIMERS=y
> CONFIG_HPET_TIMER=y
>
> So the 1st two errors are ??

Probably the kernel didn't find the hardware for that.  Does your
mainboard have it?  ("dmesg | grep -i hpet")

> Nov  9 15:33:50 d_baron pulseaudio[13214]: module.c: Failed to load  module
> "module-alsa-card" (argument: "device_id="2" name="platform-snd_mpu401.0"
> card_name="alsa_card.platform-snd_mpu401.0" tsched=yes ignore_dB=no
> card_properties="module-udev-detect.discovered=1""): initialization failed.
>
> I have no idea what the mpu401 error is about--that is driving a Yamaha sw60xg
> sound generator.

For some reason, PulseAudio thinks that your MIDI interface is the card
that should be used for PCM audio input/output.  Try configuring it to
use another card, or no card, or try disabling it in KDE.


HTH
Clemens
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[Jonathan E. Brickman-2]

For some reason, PulseAudio thinks that your MIDI interface is the card
that should be used for PCM audio input/output.  Try configuring it to
use another card, or no card, or try disabling it in KDE.
  

This kind of confusion is solidly preventable using alphanumeric names:

http://linuxlive.joshuacorps.org/?p=13

J.E.B.


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[dovidhalevi]

> For some reason, PulseAudio thinks that your MIDI interface is the card
> that should be used for PCM audio input/output.  Try configuring it to
> use another card, or no card, or try disabling it in KDE.
>
>  This kind of confusion is solidly preventable using alphanumeric names:
>
>  http://linuxlive.joshuacorps.org/?p=13

My hw:0 is the audio card. The MIDI card is card 2. There is no card 1 right
now.

Many old apps, i.e. windows stuff run in wine, think everything is the 0th
card and do not let you choose another.

I set the audio card to AudioPCI which is the name shown in
/proc/asound/cards. See if that helps.

Best would be to disable pulseaudio in KDE. How does one do it. If I really
want pulse, I need to configure for jack and start that first! It is not smart
enough to let the sink/source plugins simply sit and wait for jack to start
later.



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