:: Re: [DNG] ALSA: Host is down
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著者: Ralph Ronnquist
日付:  
To: dng
題目: Re: [DNG] ALSA: Host is down
On Mon, Feb 12, 2024 at 12:28:04PM -0500, Haines Brown via Dng wrote:
> I'm running Daedalus. After restarting X server I lost audio.
>
>      $ alsamixer
>      cannot open mixer: Host is down

>
>     $ amixer
>     amixer: Mixer attach default error: Host is down

>
>     $ aplay test.wav
>     aplay: main:831: audio open error: Host is down

>
>     $ aplay -l
>     **** List of PLAYBACK Hardware Devices ****
>     card 0: PCH [HDA Intel PCH], device 0: ALC1220 Analog [ALC1220     Analog]
>       Subdevices: 1/1
>       Subdevice #0: subdevice #0
>     ...

>
> Howver, amixer and also alsamixer do open when I specify the card as
> the default card 0:
>
>     $ $ alsamixer -c0 

>
>     Alsa mixer i is using card 0 is HDA Intel PCH, which is correct. 
>     The implication is that ALSA cannot fine the card without help.

>
> The Host is down error is often attributed to a pipewire bug, and
> implication is that I should replace pipewriter with PulseAudio to get
> around the problem.
>
> Is there a bug in pipewire 0.3.65-3 that will cause this error? Is its
> replacement with PulseAudo a good idea?


Did you scan through the `alsa-info` report? It usually tells all you
want to know and more about the ALSA system; especially the applicable
configuration for your user.

Ralph.

>
> --
>
>      Haines Brown 
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