No Audio Present

[jjstorm]

I have installed gnome windows manager, but there is no audio present. Below is part of the dmesg in respect to the audio.

azalia0 at pci0 dev 3 function 0 "Intel Core 4G HD Audio" rev 0x0b: msi
azalia0: No codecs found

which codec should I download if that is indeed my problem?

[jggimi]

There is nothing to download, these not-found codecs are audio processors which are part of the HDA hardware specification, per the azalia(4) man page.

In your case, the azalia(4) driver does not map any of these audio processors. In looking at other people's dmesg with that particular product string, it appears this is standard. But people with that product are successful obtaining sound on OpenBSD, so perhaps FAQ 13 will help you to configure a working sound system with the hardware you have.

[e1-531g]

I have something like that in dmesg:

dmesg | grep -i -e azalia[0-9] -e audio[0-9]                                 
azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi
azalia0: codecs: Realtek ALC269, Intel/0x2806, using Realtek ALC269
audio0 at azalia0

So it is a bit different.

and it is working well. I can enable audio by:

/usr/bin/mixerctl outputs.master=110,110
/usr/bin/mixerctl outputs.master.mute=off
/usr/bin/mixerctl outputs.master=110,110

Easy thing you can do and hope for result is update firmware:

fw_update -av -p http://firmware.openbsd.org/firmware/snapshots/

or, depending on OpenBSD version you use

fw_update -av -p http://firmware.openbsd.org/firmware/5.8/

then restart.

[jggimi]

I don't believe this is a firmware issue, instead this is just how the Core 4G HD Audio connects. Others with this hardware have the same results, and a -current system with this hardware does not produce any codecs message at all.

My assumption (until we hear from jjstorm) is that this is a typical azalia(4) audio configuration issue which can be resolved with mixerctl(1) settings as described in FAQ 13.

[jjstorm]

I created a config file /etc/mixerctl.conf and added the line below to it:

 
outputs.master=255,255

This was the highest allowed value. The default was 126, so it's a big increase. I have audio as good as it was when I had fedora installed. I am going to play with the settings some more and see if I can do a little better. I'll report on headphone output as well.

[e1-531g]

In Openbox I have configured shortcuts to change volume, but they are quite primitive.
I think it is good thing to have shortcuts in desktop environment for changing volume if you ie often watch movies.
Personally I would not prefer high value by default after boot, because you can launch movie/music and then it can be too loud.

[shep]

Originally Posted by jjstorm

I have installed gnome windows manager, but there is no audio present.

Originally Posted by el-531g

In Openbox I have configured shortcuts to change volume, but they are quite primitive.

sysutils/tray-app provides 3 tray applications one of which is a audio volume slider. I use just the audio volume slider in tint2 with openbox. Although I have not tried it, there is no reason tray-app will not work with Gnome as it meets freedesktop guidelines for system tray applications.

I cleaned mine up a bit in tint2 by configuring x11/openbox to skip the task bar for just tray-app.

  <applications>
    <application name="sound" class="Sound" type="utility">
      <desktop>all</desktop>
      <layer>above</layer>
      <skip_taskbar>yes</skip_taskbar>
    </application>
  </applications>

If you are running current, audio/pavucontrol has recently been added as a second systray option.

[jjstorm]

Originally Posted by jjstorm

I created a config file /etc/mixerctl.conf and added the line below to it:

 
outputs.master=255,255

This was the highest allowed value. The default was 126, so it's a big increase. I have audio as good as it was when I had fedora installed. I am going to play with the settings some more and see if I can do a little better. I'll report on headphone output as well.

Ok, I finally got a pair of headphones to try, and they are working good with no adjustments other than the outputs.master