How to find out what app is hogging the soundcard

[Gustin Johnson]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

It was probably using the OSS emulation interface of /dev/dsp which you
were not checking before.

So in the future do fuser /dev/dsp as well.

Philipp Überbacher wrote:
> On Fri, 9 Nov 2007 13:02:42 +0100
> Philipp Ãœberbacher <hollunder at gmx.at> wrote:
> 
>> On Thu, 8 Nov 2007 22:20:33 -0200
>> "Chris Dawson" <xrdawson at gmail.com> wrote:
>>
>>> You can also use "lsof | grep snd"
>>>
>>> Chris
>>>
>>> On Nov 8, 2007 10:26 AM,  <hollunder at gmx.at> wrote:
>>>> Does anyone know how I can find out which app is using or hogging
>>>> the soundcard?
>>>> It already happens at startup.
>>>> I can use audacious or mpd but not aqualung or jack.
>>>>
>>>>> Aqualung:
>>>>> Probing JACK driver... JACK server not found
>>>>> Probing ALSA driver... device busy
>>>>> Probing OSS driver... device busy
>>>>> Jack:
>>>>> the playback device "hw:0" is already in use. Please stop the
>>>>> application using it and run JACK again
>>>>> cannot load driver module alsa
>>>> I use ubuntustudio 7.10 from a fresh install + xfce.
>>>> It worked previously but I don't know what I did to break it.
>>>>
>>>> Help is appreciated
>>>> regards
>>>>         Philipp
>>>>
>>>> --
>>>> Ubuntu-Studio-users mailing list
>>>> Ubuntu-Studio-users at lists.ubuntu.com
>>>> Modify settings or unsubscribe at:
>>>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
>>>>
>> Thanks, but neither "lsof | grep snd" nor "fuser /dev/snd/*" show
>> anything besides the mixer in xfce as well as gnome, and killing the
>> mixer doesn't help.
>> I somehow start to think that it might be an alsa problem, like some
>> part of alsa not freeing the soundcard when an app needs exclusive
>> access.
>>
> 
> Thanks for all your help. I found the suspicious process 'speech
> dispatcher' using htop. Removing that program solved the problem. I
> don't know why it didn't show up anywhere, but it's all good now.
> 
> Best,
> 	Philipp
> 
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFHON29wRXgH3rKGfMRApCvAKCXKvEcY3mPiXq3EoRNw8p6zuajcwCgphkh
6WSlOw4HjIiXTccj+1n7ehM=
=cKWp
-----END PGP SIGNATURE-----