Bug#660994: [3.1.8 -> 3.2.4 regression] Mute with Pulseaudio ignored on a Thinkpad T500
Hi
alsamixer offers no mute knob on the master channel with kernel 3.2.6, see below.
┌──────────────────────────── AlsaMixer v1.0.24.2 ─────────────────────────────┐
│ Card: HDA Intel F1: Help │
│ Chip: Conexant CX20561 (Hermosa) F2: System information │
│ View: F3:[Playback] F4: Capture F5: All F6: Select sound card │
│ Item: Master [dB gain: -12.00] Esc: Exit │
│ │
│ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │
│ │ │ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │
│ │ │ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │
│ │ │ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │ │ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │ │ │ │ │
│ └──┘ └──┘ └──┘ └──┘ └──┘ ├──┤ Enabled └──┘ │
│ │OO│ │
│ └──┘ │
│ 61 100<>100 100<>100 100<>100 0<>0 0 0<>0 │
│ < Master >Headphon Speaker PCM Mic Boos Beep Auto-Mut Dock Mic │
└──────────────────────────────────────────────────────────────────────────────┘
With kernel 3.1.8 there is a mute knob on the master channel.
┌──────────────────────────── AlsaMixer v1.0.24.2 ─────────────────────────────┐
│ Card: HDA Intel F1: Help │
│ Chip: Conexant CX20561 (Hermosa) F2: System information │
│ View: F3:[Playback] F4: Capture F5: All F6: Select sound card │
│ Item: Master [dB gain: -11.00, -11.00] Esc: Exit │
│ │
│ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │
│ │ │ │▒▒│ │ │ │ │ │ │ │▒▒│ │
│ │ │ │▒▒│ │ │ │ │ │ │ │▒▒│ │
│ │ │ │▒▒│ │ │ │ │ │ │ │▒▒│ │
│ │ │ │▒▒│ │ │ │ │ │ │ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │ │ │ │ │▒▒│ │▒▒│ │
│ ├──┤ └──┘ ├──┤ ┌──┐ ┌──┐ ├──┤ ├──┤ ├──┤ │
│ │MM│ │MM│ │OO│ │OO│ │OO│ │OO│ │OO│ │
│ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ │
│ 63<>63 100<>100 0<>0 0 61<>61 100<>100 │
│ < Master > PCM Mic S/PDIF S/PDIF D Beep Docking Internal │
└──────────────────────────────────────────────────────────────────────────────┘
So I don't see how to reproduce things with alsamixer.
How to proceed?
Thank you for your patience
Sven
Am Donnerstag, den 23.02.2012, 16:52 -0600 schrieb Jonathan Nieder:
> S. G. wrote:
>
> > please find attached the requested outputs.
>
> Thanks.
>
> I do not know pulseaudio well, so one more question. Can you reproduce
> this without using pulseaudio? Like so (in a "pasuspender bash" session):
>
> alsamixer -c0
> ... fiddle with "mute" knob, which seems to bound to the 'M' key ...
> aplay <some sound file>
>
> If so, please report this at http://bugzilla.kernel.org/, product Drivers,
> component Sound (ALSA), and let us know the bug number so we can track
> it. Be sure to include:
>
> - steps to reproduce (ideally not requiring pulseaudio), expected result,
> actual result, and how the difference indicates a bug
> - which kernel versions you have tested and results with each
> - full "dmesg" output from an affected kernel, as an attachment
> - pointers for where to get relevant alsa-info.sh output (or you can
> attach them separately, too)
> - which outputs are affected, and whether results change when
> headphones are plugged in
> - what kind of tests you'd be able to perform to track this down (e.g.,
> if someone provides a debugging patch, can you test it? Can you bisect?)
> - any other weird symptoms or observations
>
> If it is not reproducible without pulseaudio, we can get help from the
> pulseaudio maintainers, so that's fine, too.
>
> Sorry for the fuss, and hope that helps,
> Jonathan
>
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