[PLUG] Troubleshooting no sound

[Tomas Kuchta]

Pavucontrol is GUI tool.
When you see the GUI check for selected and active sound cards, sound
output, channels, output volume and mute.

Hope it helps,
Tomas

On Fri, Nov 29, 2019, 16:34 Rich Shepard <rshepard at appl-ecosys.com> wrote:

> Slackware-14.2/x86_64 uses pulseaudio, not pure alsasound. The slackware
> page for troubleshooting lack of sound says to use pavucontrol to get sound
> working on this system.
>
> There's no man page for pavucontrol and when I invoke it I've no idea what
> to do with the information displayed.
>
> The results of lsmod | grep snd:
> snd_hda_codec_realtek   122880  1
> snd_hda_codec_generic    86016  1 snd_hda_codec_realtek
> snd_hda_codec_hdmi     57344  1
> snd_hda_intel          45056  5
> snd_hda_codec         151552  4
> snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
> snd_hda_core           94208  5
> snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
> snd_hwdep              16384  1 snd_hda_codec
> snd_pcm               114688  4
> snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
> snd_timer              36864  1 snd_pcm
> snd                    90112  18
> snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm
> soundcore              16384  1 snd
>
> and the list of hardware playback devices:
> # aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
> card 0: HDMI [HDA ATI HDMI], device 7: HDMI 1 [HDMI 1]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
> card 0: HDMI [HDA ATI HDMI], device 8: HDMI 2 [HDMI 2]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
> card 0: HDMI [HDA ATI HDMI], device 9: HDMI 3 [HDMI 3]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
> card 0: HDMI [HDA ATI HDMI], device 10: HDMI 4 [HDMI 4]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
> card 1: Generic [HD-Audio Generic], device 0: ALC1220 Analog [ALC1220
> Analog]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
> card 1: Generic [HD-Audio Generic], device 1: ALC1220 Digital [ALC1220
> Digital]
>    Subdevices: 1/1
>    Subdevice #0: subdevice #0
>
> I need advice on what do do where with this information.
>
> Regards,
>
> Rich
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