On Mon, Apr 19, 2010 at 08:26:21AM -0700, Jim Lucas wrote:
> Jacob Meuser wrote:
> > On Fri, Apr 16, 2010 at 03:58:33PM -0700, Jim Lucas wrote:
> >> Setup:
> >> Install 1, I have a base install of 4.6 FINAL
> >> Install 2, Upgrade of Install 1 system to 4.7 CURRENT
> >>
> >> Issue:
> >> When the system boots the speaker output is generating a constant tone or
> >> buzzing sound from the moment that is loads the azalia driver.
> >>
> >> Things I tried:
> >>
> >> I can mute the tone by issuing the "mixerctl outputs.master.mute=on"
> >> command.
> >>
> >> I have tried different powered and non-powered speakers, plus head phones
> >> with
> >> no change in condition.
> >>
> >> Can anybody shed some light on the issue? If you need further system
> >> information, please ask.
> >>
> >> I have included a copy of the dmesg, mixerctl, and audioctl output from
> >> the 4.7
> >> system below.
> >>
> >> TIA for any assistance you might provide.
> >
> >> # mixerctl
> >
> > always send 'mixerctl -v' output please. this is in the FAQ, btw.
> >
>
> # mixerctl -v
> record.adc-0:1_mute=off [ off on ]
> record.adc-0:1=120,120
> inputs.mix_source=dac-0:1,mic,line-in,mic2,dac-6:7 { dac-0:1 mic line-in mic2
> dac-6:7 }
> inputs.mix_dac-0:1=120,120
> inputs.mix_mic=120,120
> inputs.mix_line-in=120,120
> inputs.mix_mic2=120,120
> inputs.mix_dac-6:7=120,120
> record.adc-0:1_source=mix [ mix mic line-in mic2 ]
> inputs.dac-4:5_mute=off [ off on ]
> inputs.dac-4:5=126,126
> inputs.dac-2:3_mute=off [ off on ]
> inputs.dac-2:3=126,126
> inputs.dac-6:7_mute=off [ off on ]
> inputs.dac-6:7=126,126
> outputs.mic_source=dac-2:3 [ dac-2:3 ]
> outputs.mic_dir=input-vr50 [ none output input input-vr50 ]
> outputs.line-in_source=dac-4:5 [ dac-4:5 ]
> outputs.line-in_dir=input [ none output input input-vr50 ]
> outputs.line_source=mix [ mix ]
> outputs.line_mute=off [ off on ]
> outputs.line=126,126
> outputs.line_boost=off [ off on ]
> outputs.mic2_source=dac-6:7 [ dac-6:7 ]
> outputs.mic2_dir=input-vr50 [ none output input input-vr50 ]
> outputs.SPDIF_source=dig-dac-0:1 [ dig-dac-0:1 ]
> record.adc-2:3_source=mic2 [ mic2 ]
> record.adc-2:3_mute=off [ off on ]
> record.adc-2:3=120,120
> outputs.mic_sense=unplugged [ unplugged plugged ]
> outputs.line-in_sense=unplugged [ unplugged plugged ]
> outputs.line_sense=unplugged [ unplugged plugged ]
> outputs.mic2_sense=unplugged [ unplugged plugged ]
> outputs.master=126,126
> outputs.master.mute=off [ off on ]
> outputs.master.slaves=line { dac-4:5 dac-2:3 dac-6:7 line }
> record.volume=120,120
> record.volume.mute=off [ off on ]
> record.volume.slaves=adc-0:1,adc-2:3 { adc-0:1 adc-2:3 }
> outputs.mode=analog [ analog digital ]
>
> >
> > so this is your only (currently configured as) output jack, so I
> > guess this is where the noise is coming from.
> >
> > outputs.line_source=mix
> >
> > so, what's mix got?
> >
> > inputs.mix_source=dac-0:1,mic,line-in,mic2,dac-6:7
> >
> > try experimenting with that, to see if it's one of those creating
> > the noise. I'd probably take the mics out first.
> >
>
> I tried setting inputs.mix_source to each setting above. Here are the results
>
> # mixerctl inputs.mix_source=dac-0:1 no sound
> inputs.mix_source: -> dac-0:1
> # mixerctl inputs.mix_source=mic yes, very quiet
> inputs.mix_source: -> mic
> # mixerctl inputs.mix_source=line-in yes, very loud
> inputs.mix_source: -> line-in
> # mixerctl inputs.mix_source=mic2 no sound
> inputs.mix_source: -> mic2
> # mixerctl inputs.mix_source=dac-6:7 no sound
> inputs.mix_source: -> dac-6:7
>
> Their is nothing plugged into the line-in. Eventually, I need the line-in to
> work.
so, set
$ mixerctl inputs.mixs_ource=line-in
and then play with the other line-in controls. azalia(4) describes the
mixer item names.
> Thanks for any help!
>
> --
> Jim Lucas
>
> "Some men are born to greatness, some achieve greatness,
> and some have greatness thrust upon them."
>
> Twelfth Night, Act II, Scene V
> by William Shakespeare
--
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