[Pkg-alsa-devel] Bug#747374: Bug#747374: alsa-base: No audio after upgrade of Jessie

[Elimar Riesebieter]

* John Haiducek <jhaiduce at gmail.com> [2014-05-07 21:56 -0400]:

> Package: alsa-base
> Version: 1.0.25+3
> Severity: important
> 
> Dear Maintainer,
> 
> I performed a dist-upgrade and rebooted, after which I had no audio output.
> 
> I tried shutting down pulseaudio, and manually selecting hardware devices using
> aplay. Neither worked; I got no audio in either case.
> 
> Pulseaudio detects only one device: "Digital Output (S/PDIF) - Built-in Audio."
> 
> aplay -l lists the following:
> 
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: ALC1200 Analog [ALC1200 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: NVidia [HDA NVidia], device 1: ALC1200 Digital [ALC1200 Digital]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia_1 [HDA NVidia], device 3: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia_1 [HDA NVidia], device 7: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia_1 [HDA NVidia], device 8: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: NVidia_1 [HDA NVidia], device 9: HDMI 0 [HDMI 0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0

The kernel seems to detect the audio devices correct. Did you
checked all your mixer setting i.e. in alsamixer? Change the
soundcard within alsamixer from default to the analog nvidia device
and look for a muted control like PCM or MAIN or Default or whatever
name points to an output control.

Elimar
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