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From: Jason Filippou on 18 Nov 2009 09:00
Hello list,

I'm having trouble with my sound in a rather fresh Testing box on KDE.
Before I lay down the situation, let me clarify that I have googled,
rather extensively, in pursuit of a solution to my problem, yet I have
not found a solution that solves my problem. So, instead of turning my
system into a bundle of conflicting packages very possibly unrelated
to my problem, I decided to post my inquiry here. Now to the
presentation:

My sound works well for system sounds and notifications, such as the
music playing when logging into KDE and when emptying the trash. I can
also listen to music through Amarok and have sound from games as well
(namely, Tremulous). However, I do NOT have any sound from flash
player (I have installed flashplugin-nonfree) in both Iceweasel and
Konqueror or any sound from AVI videos (tested through vlc). I also
get a "Problem with Audio Playback" when making calls through Skype,
but I can live without Skype.

Here is what the "iceweaselrc" file says about my /dev/dsp wrapper for
iceweasel:


jason(a)debian:~$ sudo nano /etc/iceweasel/iceweaselrc

# which /dev/dsp wrapper to use
ICEWEASEL_DSP="aoss"

I have tried setting it to all the other values that the iceweasel
manpage says there are, yet still no luck.

Here is what lspci -v says about my hardware sound (I have omitted
output unrelated to audio devices or controllers):

jason(a)debian:~$ lspci -v

00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio
Controller (rev 02)
Subsystem: Intel Corporation 82801H (ICH8 Family) HD Audio
Controller
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at fdff8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel

01:00.1 Audio device: nVidia Corporation Device 0be2 (rev a1)
Flags: bus master, fast devsel, latency 0, IRQ 10
Memory at fcffc000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>

And below are some screenshots from system settings->multimedia

http://s128.photobucket.com/albums/p190/Bulgarian_Toothpaste/?action=view&current=multimedia1.png

http://s128.photobucket.com/albums/p190/Bulgarian_Toothpaste/?action=view&current=multimedia2.png

I have installed the following packages possibly related to my issue,
after googling a bit:

libasound libasound2-doc alsa-base alsa-utils alsa-oss alsamixergui

May I also note that after running iceweasel with an "aoss" wrapper

jason(a)debian:~$ aoss /usr/lib/iceweasel/iceweasel

I see the following output on the terminal, repeated constantly:

ALSA lib pcm_dmix.c:1010:(snd_pcm_dmix_open) unable to open slave

Yet I still get no sound.

I'd like to add that I've examined the terminal output after choosing
my Debian partition from Grub and noted the string:

Setting up ALSA... done.

kmix is well set and configured, and so is alsamixergui.

Might there be any solution to my problem?

I believe this is all I can provide you with for now, please do not
hesitate to ask for more information and I shall give it.

Thanks,
J


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From: Thierry Chatelet on 18 Nov 2009 09:30
On Wednesday 18 November 2009 14:40:16 Jason Filippou wrote:
> Hello list,
>
> I'm having trouble with my sound in a rather fresh Testing box on KDE.
> Before I lay down the situation, let me clarify that I have googled,
> rather extensively, in pursuit of a solution to my problem, yet I have
> not found a solution that solves my problem. So, instead of turning my
> system into a bundle of conflicting packages very possibly unrelated
> to my problem, I decided to post my inquiry here. Now to the
> presentation:
>
> My sound works well for system sounds and notifications, such as the
> music playing when logging into KDE and when emptying the trash. I can
> also listen to music through Amarok and have sound from games as well
> (namely, Tremulous). However, I do NOT have any sound from flash
> player (I have installed flashplugin-nonfree) in both Iceweasel and
> Konqueror or any sound from AVI videos (tested through vlc). I also
> get a "Problem with Audio Playback" when making calls through Skype,
> but I can live without Skype.
>
> Here is what the "iceweaselrc" file says about my /dev/dsp wrapper for
> iceweasel:
>
>
> jason(a)debian:~$ sudo nano /etc/iceweasel/iceweaselrc
>
> # which /dev/dsp wrapper to use
> ICEWEASEL_DSP="aoss"
>
> I have tried setting it to all the other values that the iceweasel
> manpage says there are, yet still no luck.
>
> Here is what lspci -v says about my hardware sound (I have omitted
> output unrelated to audio devices or controllers):
>
> jason(a)debian:~$ lspci -v
>
> 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio
> Controller (rev 02)
> Subsystem: Intel Corporation 82801H (ICH8 Family) HD Audio
> Controller
> Flags: bus master, fast devsel, latency 0, IRQ 22
> Memory at fdff8000 (64-bit, non-prefetchable) [size=16K]
> Capabilities: <access denied>
> Kernel driver in use: HDA Intel
>
> 01:00.1 Audio device: nVidia Corporation Device 0be2 (rev a1)
> Flags: bus master, fast devsel, latency 0, IRQ 10
> Memory at fcffc000 (32-bit, non-prefetchable) [size=16K]
> Capabilities: <access denied>
>
> And below are some screenshots from system settings->multimedia
>
> http://s128.photobucket.com/albums/p190/Bulgarian_Toothpaste/?action=view&c
> urrent=multimedia1.png
>
> http://s128.photobucket.com/albums/p190/Bulgarian_Toothpaste/?action=view&c
> urrent=multimedia2.png
>
> I have installed the following packages possibly related to my issue,
> after googling a bit:
>
> libasound libasound2-doc alsa-base alsa-utils alsa-oss alsamixergui
>
> May I also note that after running iceweasel with an "aoss" wrapper
>
> jason(a)debian:~$ aoss /usr/lib/iceweasel/iceweasel
>
> I see the following output on the terminal, repeated constantly:
>
> ALSA lib pcm_dmix.c:1010:(snd_pcm_dmix_open) unable to open slave
>
> Yet I still get no sound.
>
> I'd like to add that I've examined the terminal output after choosing
> my Debian partition from Grub and noted the string:
>
> Setting up ALSA... done.
>
> kmix is well set and configured, and so is alsamixergui.
>
> Might there be any solution to my problem?
>
> I believe this is all I can provide you with for now, please do not
> hesitate to ask for more information and I shall give it.
>
> Thanks,
> J
>

Hi,
I got a similar problem having a web cam with integrated microphone.
Restarting the computer with the web cam unplugged would bring back the sound
in iceweasel. Blacklisting snd_usb_audio in alsa-base-blacklist.conf did solve
the problem, in a not too nice way, but it did what I wanted. Of course, I
cannot use the microphone on the web cam now, but I really don't care for it.
Hope it helps
Thierry


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From: Jason Filippou on 18 Nov 2009 11:20
> Hi,
> I got a similar problem having a web cam with integrated microphone.
> Restarting the computer with the web cam unplugged would bring back the sound
> in iceweasel. Blacklisting snd_usb_audio in alsa-base-blacklist.conf did solve
> the problem, in a not too nice way, but it did what I wanted. Of course, I
> cannot use the microphone on the web cam now, but I really don't care for it.
> Hope it helps
> Thierry


Hello Thierry,

For reasons I have yet to explain my .avi and flash sound indeed
worked once I unplugged my Logitech USB microphone and rebooted. Right
now, what I need to do is blacklist it the same way you blacklisted
the microphone component of your camera, because I also have a Windows
partition in which the microphone is fully operational and needed, and
I don't want to have to plug it in every time I log into Windows. This
is my alsa-base-blacklist.conf:

jason(a)debian:~$ sudo cat /etc/modprobe.d/alsa-base-blacklist.conf
# Uncomment these entries in order to blacklist unwanted modem drivers
# blacklist snd-atiixp-modem
# blacklist snd-intel8x0m
# blacklist snd-via82xx-modem
# Comment this entry in order to load snd-pcsp driver
blacklist snd-pcsp
# Comment this entry in order to load pcspkr driver
jason(a)debian:~$

I added the lines

# Blacklisting microphone input
blacklist snd-sb-audio


But the problem persists. I think I might have something wrong with my
syntax. Here is what lsusb says about my mic (other USB devices
ommitted):

jason(a)debian:~$ lsusb
Bus 005 Device 002: ID 0556:0001 Asahi Kasei Microsystems Co., Ltd
AK5370 I/F A/D Converter

What should I do to keep my mic connected to the box, but not have it
interfere with my sound the way it did?

J


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From: Thierry Chatelet on 18 Nov 2009 12:00
On Wednesday 18 November 2009 17:01:36 Jason Filippou wrote:
> I added the lines
>
> # Blacklisting microphone input
> blacklist snd-sb-audio
>
>
> But the problem persists. I think I might have something wrong with my
> syntax. Here is what lsusb says about my mic (other USB devices
> ommitted):
>
> jason(a)debian:~$ lsusb
> Bus 005 Device 002: ID 0556:0001 Asahi Kasei Microsystems Co., Ltd
> AK5370 I/F A/D Converter
>
> What should I do to keep my mic connected to the box, but not have it
> interfere with my sound the way it did?
>
> J
>

Yes it is
snd_usb_audio
pls note the underscore.
As far as where the real problem is, I hope someone here will be able to
explain more. And my guess is that there is a better solution than the one I
gave you. Any help/tips are welcome.
Thierry


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