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mounty1
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PostPosted: Tue Sep 10, 2013 7:00 am    Post subject: Audio no longer working after update Reply with quote

It certainly used to but an update some time in the last six months has silenced it. From the bottom:
lspci | grep Audio:
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
lspci -v:
...
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
   Subsystem: Intel Corporation Optiplex 755
   Flags: bus master, fast devsel, latency 0, IRQ 44
   Memory at feaf8000 (64-bit, non-prefetchable) [size=16K]
   Capabilities: [50] Power Management version 2
   Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
   Capabilities: [100] Virtual Channel
   Capabilities: [130] Root Complex Link
   Kernel driver in use: snd_hda_intel
   Kernel modules: snd_hda_intel
...
rc-update show | grep alsasound:
            alsasound | boot
Then with xfce audio mixer, from the sound card list, is chosen HDA Intel (Alsa mixer). But it is silent. It's not muted on the mixer control. Master volume is set to maximum.

Any ideas ?
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Jaglover
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PostPosted: Tue Sep 10, 2013 7:32 am    Post subject: Reply with quote

Xfce mixer really is no mixer, it's a frontend. To get the real picture look at amixer output.
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mounty1
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PostPosted: Tue Sep 10, 2013 7:37 am    Post subject: OK, here it is Reply with quote

That looks alright too:
amixer:
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65536
  Mono:
  Front Left: Playback 65536 [100%] [on]
  Front Right: Playback 65536 [100%] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 65536
  Front Left: Capture 11002 [17%] [on]
  Front Right: Capture 11002 [17%] [on]

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VoidMage
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PostPosted: Tue Sep 10, 2013 12:56 pm    Post subject: Re: OK, here it is Reply with quote

mounty1 wrote:
That looks alright too:
amixer:
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65536
  Mono:
  Front Left: Playback 65536 [100%] [on]
  Front Right: Playback 65536 [100%] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch cswitch-joined
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 65536
  Front Left: Capture 11002 [17%] [on]
  Front Right: Capture 11002 [17%] [on]


This seems to be just pulseaudio mixer. Check the settings on the actual card too.
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mounty1
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PostPosted: Tue Sep 10, 2013 7:35 pm    Post subject: Re: OK, here it is Reply with quote

VoidMage wrote:
This seems to be just pulseaudio mixer. Check the settings on the actual card too.
Sorry, at this level I'm not so sure of what I'm doing.
amixer -c 0:
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [on]
  Front Right: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 1 [33%] [10.00dB]
  Front Right: 1 [33%] [10.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 0 [0%] [-16.50dB] [on]
  Front Right: Capture 0 [0%] [-16.50dB] [on]

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