Red Hat Bugzilla – Bug 498289
[2.6.29] Sound issue with Intel HD Audio Controller
Last modified: 2009-12-18 04:23:03 EST
Created attachment 341812 [details]
/var/log/messages related to sound issues
Description of problem:
Sound is not working. I can't setup the volume, nor to check it.
Inspired by bug https://bugzilla.redhat.com/show_bug.cgi?id=485734
Version-Release number of selected component (if applicable):
22.214.171.124-52.fc10.i686 from updates-testing
1. try to play YouTube video, amarok or anything else (mplayer, vlc)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
ALSA sound/pci/hda/hda_intel.c:635: hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x021f000a
# alsactl init
Unknown hardware: "HDA-Intel" "Nvidia ID 3" "HDA:111d76b2,103c3603,00100302 HDA:10de0003,10de0101,00100000" "" ""
Hardware is initialized using a guess method
ALSA lib pulse.c:272:(pulse_connect) PulseAudio: Unable to connect: Connection refused
amixer: Mixer attach default error: Connection refused
Attachment about amixer_before will be added.
var/log/messages added so far
I run pulseaudio with -vvvv -D flags
Created attachment 341814 [details]
amixer -c0 output
what happens if you try to play something with mplayer - can you please reboot to get a clean setup, run 'mplayer somefile', and paste all the console output you get?
mplayer -msglevel all=6 file.wav
I see you have it configured to prefer the SDL audio output, can you try again with:
mplayer -ao pulse file.wav
and paste that? Thanks.
Fedora Bugzappers volunteer triage team
I noticed that I tested alsamixer as root, so he could not connect.
When I try to run it as user, it works. But I see fewer options then on 2.6.27 kernels.
I made a screenshot of KMix, you can notice that PCM volume control is missing.
Here it is mplayer, with pulse:
MPlayer SVN-r28461-4.3.2 (C) 2000-2009 MPlayer Team
CPU: Intel(R) Core(TM)2 Duo CPU P7350 @ 2.00GHz (Family: 6, Model: 23, Stepping: 6)
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Audio only file format detected.
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 44100 Hz, 1 ch, s16le, 705.6 kbit/100.00% (ratio: 88200->88200)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
AO: [pulse] 44100Hz 1ch s16le (2 bytes per sample)
Video: no video
A: 0.0 (00.0) of 0.2 (00.2) ??,?%
Exiting... (End of file)
this is looking more like an actual ALSA bug than anything to do with Pulse and volume controls. but, can you post a screenshot of alsamixer instead? I can't read kmix.
I tested the alsamixer, but nothing special there.
View: Playback [Capture]
And I setup sound to 80-100%.
sorry, you need to do 'alsamixer -c0' to see the card's controls rather than the pulse 'card'.
Created attachment 342204 [details]
alsa mixer screen
Created attachment 342205 [details]
alsa mixer screen [All]
I tested also headphones and there is no sound from them too.
OK, so PCM is there and set to a decent value. If you go over to the two elements just labelled "Digital" with "Digital" above them in yellow text, then press up and down to scroll through the choices (they look like list-style elements), what are the choices? What is the full name of those two elements (it'll be displayed in the Item: field at the top of alsamixer, when they're highlighted)?
sorry for this painful process, I'm just trying to identify the problem exactly...
Analog Inputs, Mixer, Digital Mic 1, Digital Mic 2
Anyway I resolved it half-way finally. In KMix  there is Analog Loopback and Analog Loopback 2. If I mute these two options, I have sound back! You can see on the picture just one Analog Loopback muted. So when I mute them both I have sound :) It is weird, but it somehow works now.
Looks like a bad ALSA default, then. Assigning. Thanks.
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