pulseaudio killing sound on Karmic

[Mark C. Miller]

On Mon, 14 Dec 2009 21:01:51 +0000, Colin Law wrote:

> Hi
> I have Ubuntu 9.10 installed on a Toshiba A100-197.  Sound was not
> working and when looked at the devices in the pulseaudio volume control
> all I saw was Dummy Output (or something similar).  When I played
> something the output could be seen in the amplitude bars but no sound
> was heard.
> 
> After a lot of googling and trying various things I discovered that if I
> remove pulseaudio and use the alsa mixer directly it works ok, which
> came as a surprise to me as up till then I had assumed that it was a
> lower level problem.  When I install pulseaudio again the sound stops.
>  I have fiddled with settings in pulseaudio to no avail.  Any
> suggestions as to how to analyse or fix the problem?
> 
> aplay -l shows
> card 0: Intel [HDA Intel], device 0: ALC861 Analog [ALC861 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 0: Intel [HDA Intel], device 6: Si3054 Modem [Si3054 Modem]
>   Subdevices: 0/1
>   Subdevice #0: subdevice #0
> 
> Colin

I lost my audio when I upgraded to 9.10.  I installed pulse audio and 
then I played around with it for a long time until I found the following 
combination:

system
sound preferences
output
analog mono output/no amplifier

mcm




-- 
Mark C. Miller, Indianapolis IN, USA