Intrepid Sound Fix
Karl Larsen
k5di at zianet.com
Sun Nov 16 23:41:28 UTC 2008
Karl Larsen wrote:
> Nigel Henry wrote:
>
>> On Sunday 16 November 2008 21:24, Karl Larsen wrote:
>>
>>
>>> Nigel Henry wrote:
>>>
>>>
>>>> On Sunday 16 November 2008 18:47, Karl Larsen wrote:
>>>>
>>>>
>>>>> Glenn Holmer wrote:
>>>>>
>>>>>
>>>>>> On Sat, 2008-11-15 at 18:26 -0400, Derek Broughton wrote:
>>>>>>
>>>>>>
>>>>>>> That really is _nothing_ to do with Intrepid. Sound is (almost)
>>>>>>> entirely a kernel function. It's complete magic, and it's easy to
>>>>>>> break it. Just go back to a working kernel.
>>>>>>>
>>>>>>>
>>>>>> What about PulseAudio? That's certainly not part of the kernel, and
>>>>>> many people have reported having problems with it.
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Intrepid certainly has its problems, but sound is not strictly one of
>>>>>>> them.
>>>>>>>
>>>>>>>
>>>>>> I had no sound from my Audigy card until I went to the volume control
>>>>>> and de-selected "Audigy Analog/Digital Output Jack", which I don't
>>>>>> remember having had to do before. I still don't know if any of the
>>>>>> more exotic things I tried first had any effect, although it's all good
>>>>>> now.
>>>>>>
>>>>>>
>>>>> Here is some good data from loading Intrepid on my laptop and
>>>>> allowing no updates at all. Here is what I did:
>>>>>
>>>>> 1. Loaded Intrepid from LiveCD.
>>>>>
>>>>> 2. Re-booted to hard drive and d/l VLC and found my movies have
>>>>> sound and picture.
>>>>>
>>>>> 3. Re-booted and the re-boot hung on the item "turn off (sound
>>>>> software)" and I turned off the power.
>>>>>
>>>>> 4. Brought it back on and all sound is gone. In fact the sound
>>>>> device on the upper edge was turned off. I turned it back on but it did
>>>>> no good.
>>>>>
>>>>> 5. I re-boot and waited for it to re-boot which is a long time. When
>>>>> it came back up still no sound.
>>>>>
>>>>>
>>>>> The conclusions are simple and not worth much I fear. But for what
>>>>> it is worth the 180 Updates have zero zero effect on the sound problem.
>>>>> I will now let the updates flow and verify this no improvement.
>>>>>
>>>>> The problem can be my laptop. The only reason not to blame the
>>>>> laptop is that Windows runs fine and has good sound right now. It is
>>>>> Vista Basic.
>>>>>
>>>>>
>>>>> Karl
>>>>>
>>>>>
>>>> Hi Karl.
>>>>
>>>> I'm sorry that your having sound problems on your machine. For what it's
>>>> worth, vlc won't play dvd's on mine, either Kubuntu, or Ubuntu 8.10, but
>>>> Xine, and Ogle play them with no problems, and all very strange.
>>>>
>>>> Regarding your sound problems, and at the moment, after rebooting the
>>>> sounds are gone. Would you post the output from the following commands
>>>> please.
>>>>
>>>> cat /proc/asound/cards
>>>> grep ^Codec /proc/asound/card?/codec*
>>>> lsmod | grep snd
>>>> lspci (just the bit for the soundcard)
>>>>
>>>> Nigel.
>>>>
>>>>
>>> Hi Nigel here it is I think:
>>>
>>>
>>> karl at karl-laptop:~$ cat /proc/asound/cards
>>> 0 [Intel ]: HDA-Intel - HDA Intel
>>> HDA Intel at 0x94700000 irq 22
>>> karl at karl-laptop:~$ grep ^Codec /proc/asound/card?/codec*
>>> /proc/asound/card0/codec#0:Codec: Conexant CX20561 (Hermosa)
>>> /proc/asound/card0/codec#2:Codec: Generic 8086 ID 2802
>>> karl at karl-laptop:~$ lsmod | grep snd
>>> snd_hda_intel 381488 2
>>> snd_pcm_oss 46848 0
>>> snd_mixer_oss 22784 1 snd_pcm_oss
>>> snd_pcm 83204 2 snd_hda_intel,snd_pcm_oss
>>> snd_seq_dummy 10884 0
>>> snd_seq_oss 38528 0
>>> snd_seq_midi 14336 0
>>> snd_rawmidi 29824 1 snd_seq_midi
>>> snd_seq_midi_event 15232 2 snd_seq_oss,snd_seq_midi
>>> snd_seq 57776 6
>>> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
>>> snd_timer 29960 2 snd_pcm,snd_seq
>>> snd_seq_device 15116 5
>>> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
>>> snd 63268 13
>>> snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd
>>> _seq,snd_timer,snd_seq_device soundcore 15328 1 snd
>>> snd_page_alloc 16136 2 snd_hda_intel,snd_pcm
>>> karl at karl-laptop:~$
>>>
>>> 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
>>> Controller (rev 03)
>>>
>>>
>>> I hope this is what you want. If I can help you in any way again just
>>> ask. I will try to make sense of this stuff :-)
>>>
>>>
>>> Karl
>>>
>>>
>> Hi Karl.
>>
>> Well your soundcard is detected, and all the relevant modules are loaded.
>>
>> As the sounds were working before you rebooted, it may be that something in
>> the mixer may be muted.
>>
>> Open alsamixer as user in Gnomes terminal. that should display just one slider
>> if pulseaudio is running.
>>
>> Now close alsamixer using the "esc" key, and start alsamixer again using the
>> following command, which will show all the alsamixer settings.
>>
>> alsamixer -D hw:0
>>
>> You may find that some sliders are set to zero, or muted (the "M" key toggles
>> the mute/unmute). the main sliders of interest are "Master", "PCM", and
>> "Front", and also the "CD" one if your testing the sounds out using an audio
>> cd.
>>
>> Nigel.
>>
>>
>>
> Nigel you hit the nail on the head! I brought up Alsamixer and PCM
> was off. I fixed that and now VLC has good music now!!!
>
> What I have is MASTER PCM IEC958 IEC958 C Docking External Internal.
>
> I will watch the sound as I re-boot ect. and try to find out why the
> alsamixer got turned off. And I will print this message :-)
>
> Karl
>
>
>
Save this message if your using Intrepid and please drop a thank you
note to Nigel Henry since he was the one to find it.
Karl
--
Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
PGP 4208 4D6E 595F 22B9 FF1C ECB6 4A3C 2C54 FE23 53A7
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