sound problem in F20, F21, F22

[Steven Stern]

On 06/02/2015 01:52 PM, dwoody5654 wrote:
> Posted here and on alsa mailing list some time ago - many comments but
> none fixed the problem.
> This is the link to bug report:
> https://bugzilla.redhat.com/show_bug.cgi?id=1101278
> 
> And now I am officially confused.
> To recap:
> This computer is used for Mythtv.
> The computer was build by me in 2007 using a Asus m2a-vm MB and until
> kernel 3.12.x sound has always worked. I always used alsa not pulseaudio.
> 
> The F20 initial release, sound worked with 3.11.10-301.fc20.i686+PAE
> All future releases of the kernel the sound did not work.
> Searched Asus for a bios upgrade to address the problem - no upgrade
> related.
> 
> Tried the following live dvd releases (stock live session included
> pulseaudio) to no avail:
> 
>    F21 xfce
>    F22 xfce
>    Centos 7.0
>    Linux mint 17.1
> 
> Since F20 is EOL and should move to F21 I bought a sound card for the
> computer (Diamond brand from Best Buy).
> 
> Booting the 3.11.x kernel.
> Sound card was recognized. I set Mythtv to use the new sound card. Sound
> worked.
> 
> Booting the 3.19.x kernel
> Sound card was recognized.
> Sound did not work.
> 
> I put a new drive (spare) in the computer.
> Install F22 xfce instead of a live session. Sound card was recognized.
> Used Rhythmbox to test. No sound. Pulseaudio volume control clearly
> showed sound coming in.
> 
> I thought that adding a sound card would have worked around the problem
> and it did not.
> I am clearly over looking something but do not know what.
> 
> Any ideas on what to do or look for next will be very appreciated,
> 
> David
> 

Run the pulse audio volume control and make sure the new sound card is
the default output and that rhythmbox is playing to it.

-- 
-- Steve