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<H1>[Mageia-dev] no sound</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20no%20sound&In-Reply-To=%3C4FA54FDE.9020509%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] no sound">mageia at colin.guthr.ie
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<I>Sat May 5 18:05:50 CEST 2012</I>
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<PRE>'Twas brillig, and Felix Miata at 05/05/12 16:09 did gyre and gimble:
><i> 1 sink(s) available.
</I>><i> * index: 0
</I>><i> name: <alsa_output.pci-0000_00_1f.5.analog-stereo>
</I>><i> driver: <module-alsa-card.c>
</I>><i> flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY
</I>><i> state: SUSPENDED
</I>><i> suspend cause: IDLE
</I>><i> priority: 9959
</I>><i> volume: 0: 100% 1: 100%
</I>><i> 0: 0.00 dB 1: 0.00 dB
</I>><i> balance 0.00
</I>><i> base volume: 63%
</I>><i> -12.00 dB
</I>><i> volume steps: 65537
</I>><i> muted: no
</I>><i> current latency: 0.00 ms
</I>><i> max request: 0 KiB
</I>><i> max rewind: 0 KiB
</I>><i> monitor source: 0
</I>><i> sample spec: s16le 2ch 48000Hz
</I>><i> channel map: front-left,front-right
</I>><i> Stereo
</I>><i> used by: 0
</I>><i> linked by: 0
</I>><i> configured latency: 0.00 ms; range is 0.50 .. 341.33 ms
</I>><i> card: 0 <alsa_card.pci-0000_00_1f.5>
</I>><i> module: 4
</I>><i> properties:
</I>><i> alsa.resolution_bits = "16"
</I>><i> device.api = "alsa"
</I>><i> device.class = "sound"
</I>><i> alsa.class = "generic"
</I>><i> alsa.subclass = "generic-mix"
</I>><i> alsa.name = "Intel ICH5"
</I>><i> alsa.id = "Intel ICH"
</I>><i> alsa.subdevice = "0"
</I>><i> alsa.subdevice_name = "subdevice #0"
</I>><i> alsa.device = "0"
</I>><i> alsa.card = "0"
</I>><i> alsa.card_name = "Intel ICH5"
</I>><i> alsa.long_card_name = "Intel ICH5 with AD1981B at irq 5"
</I>><i> alsa.driver_name = "snd_intel8x0"
</I>><i> device.bus_path = "pci-0000:00:1f.5"
</I>><i> sysfs.path = "/devices/pci0000:00/0000:00:1f.5/sound/card0"
</I>><i> device.bus = "pci"
</I>><i> device.vendor.id = "8086"
</I>><i> device.vendor.name = "Intel Corporation"
</I>><i> device.product.name = "82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller"
</I>
Ahh yes, AC'97.. I think I've had issues with these before.... It's also
the default device under VirtualBox and when I looked last we don't seem
to control the "Master" channel. More below.
><i> device.form_factor = "internal"
</I>><i> device.string = "front:0"
</I>><i> device.buffering.buffer_size = "65536"
</I>><i> device.buffering.fragment_size = "65536"
</I>><i> device.access_mode = "mmap+timer"
</I>><i> device.profile.name = "analog-stereo"
</I>><i> device.profile.description = "Analog Stereo"
</I>><i> device.description = "Built-in Audio Analog Stereo"
</I>><i> alsa.mixer_name = "Analog Devices AD1981B"
</I>><i> alsa.components = "AC97a:41445374"
</I>><i> module-udev-detect.discovered = "1"
</I>><i> device.icon_name = "audio-card-pci"
</I>><i> ports:
</I>><i> analog-output-mono;output-amplifier-on: Analog Mono Output / Amplifier (priority 5010, available: unknown)
</I>><i> properties:
</I>><i>
</I>><i> analog-output-mono;output-amplifier-off: Analog Mono Output / No Amplifier (priority 5000, available: unknown)
</I>><i> properties:
</I>><i>
</I>><i> analog-output-lfe-on-mono;output-amplifier-on: LFE on Separate Mono Output / Amplifier (priority 4010, available: unknown)
</I>><i> properties:
</I>><i>
</I>><i> analog-output-lfe-on-mono;output-amplifier-off: LFE on Separate Mono Output / No Amplifier (priority 4000, available: unknown)
</I>><i> properties:
</I>><i>
</I>><i> active port: <analog-output-mono;output-amplifier-on>
</I>
Yeah I think I've seen this in a VM.
Can you also attach "amixer -c0" (before running the below commands).
More specifically I suspect that the "Master" channel is 0+muted or
otherwise doing very little.
A couple things that should get sound are:
(as root) alsactl init 0
This should "initialise" your card to sensible default which should set
Master to 55% unmuted.
If that doesn't work, can you try "amixer -c0 set Master 55% unmute"
Hopefully that'll get sound, but the correct fix is for me to fix this
in PulseAudio...
Col
--
Colin Guthrie
colin(at)mageia.org
<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A>
Day Job:
Tribalogic Limited <A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A>
Open Source:
Mageia Contributor <A HREF="http://www.mageia.org/">http://www.mageia.org/</A>
PulseAudio Hacker <A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A>
Trac Hacker <A HREF="http://trac.edgewall.org/">http://trac.edgewall.org/</A>
</PRE>
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