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Description of problem:
Here are three messages that I posted to the Fedora Forum. These
describe what I've found and what I've done. Notice that the last
message indicates that I found a workaround for the FC3 sound problem
but not for the FC2 sound problem; however, I think the two are related.

Message One:

I've got a Dell 2400 running the latest kernel for FC3 as well as all
of the latest updates, and a Dell 4550 running the latest FC2 kernel
and other software updates. The strange thing is, that each computer
worked flawlessly with the first few kernels for the respective FC
releases (FC2 and FC3). And this included the sound--it worked great.
Now, with the last few kernels the sound card simply stopped working.
The cards are detected when I run the SoundCard detection, but when I
do something that would generate a sound--nothing.

Thanks,
Richard Huelbig

Message Two:

Here are some additional details:

FC2 is running on a Dell Dimension 4550 with an integrated sound card
(the spec says it uses a 1981A codec).
FC3 is running on a Dell Dimension 2400 with an integrated sound card
(no information as to the codec).

FC2 kernels that don't work on the Dimension 4550 are: 2.6.10-1.9_FC2
and 2.6.10-1.8_FC2.
FC2 kernels that work on the 4550 are: 2.6.9-1.11_FC2 and earlier.

FC3 kernels that don't work on the Dimension 2400 are:
2.6.10-1.741_FC3 and 2.6.10-1.737_FC3.
FC3 kernels that work on the 2400 are: 2.6.9-1.724_FC3 and earlier.

On both machines I'm running Gnome desktop, not KDE. The FC2 PC is
using Gnome 2.6. The FC3 PC is using Gnome 2.8.0. I do not know if my
sound is running under OSS, ALSA, or ESD; I'm not sure what these
abbreviations mean or how to determine which is used.

Regarding the sounds drivers, when I use the System Settings/Soundcard
Detection tool I get the following information:

For the FC2 machine:
Intel Corp., 82801DB(KH4) AC'97 Audio Controller, snd-intel8x0

For the FC3 machine:
Intel Corp., 82801DB/DBL/DBM(ICH4/ICH4-L/ICH4-M) AC'97 Audio
Controller, snd-intel8x0

Thanks,
Richard Huelbig

Message 3:

When I went over to Bugzilla I did a search on some sound card
problems and upgrading kernels. In Bugzilla I found a workaround for
my FC3 machine. I opened the volume control and set the Headphone Jack
Sense and Line Jack Sense settings to Mute (I checked the Mute check
boxes). When I did that I started to get sound.

However, on my FC2 PC, when I open the volume control I do not have
Line Jack Sense and Headphone Jack Sense selections. So, my problem
remains with the latest kernel and FC2. I will post these findings on
Bugzilla. If anyone has any additional information, please share it.

Thanks,
Richard Huelbig


Version-Release number of selected component (if applicable):
2.6.10-1.8_FC2 and 2.6.10-1.9_FC2

How reproducible:
Always

Steps to Reproduce:
For FC2 Problem:

1. Run kernel 2.6.9-1.11_FC2.
2. Test for sound card detection--passes--sound produced.
3. Run kernel 2.6.10-1.8_FC2 or 2.6.10-1.9_FC2.
4. Repeat step 2--fails--no sound produced.
5. No workaround known at this time.

For FC3 Problem:

1. Run kernel 2.6.9-1.724_FC3.
2. Test for sound card detection--passes--sound produced.
3. Run kernel 2.6.10-1.737_FC3 or 2.6.10-1.741_FC3.
4. Repeat step 2--fails--no sound produced.
5. Open the volume control and set Headphone Jack Sense and Line Jack
Sense settings to Mute.
6. Repeat step 2T--passes--sound produced.


    
    

Actual Results:  Please see notations in the Description section and
the Steps To Reproduce section.

Expected Results:  Should hear sound when testing for soundcard.

Additional info:

This information has also been posted to the Fedora Forum web site.