PulseAudio

Mon Feb 22 23:15:13 UTC 2010

On Mon, Feb 22, 2010 at 2:54 PM, Thomas Milne
<tbrucemilne-TcoXwbchSccMMYnvST3LeUB+6BGkLq7r at public.gmane.org> wrote:
> On Fri, Feb 19, 2010 at 4:00 PM, Tyler Aviss <tjaviss-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
>> Modern pulseaudio behavior is to run a "session" when you login to X.
>>  /etc/X11/Xsession.d/70pulseaudio
>>
>> The /etc/init.d/ one doesn't do anything unless you do a bunch of
>> reconfiguration to use system-wide pulse, which actually tends to
>> cause more issues rather than less.
>>
>> To see if you're already got a pulse session, try:
>>  pulseaudio --check && echo OK
>>
>
> scribe at scribe14:~$ pulseaudio --check && echo OK
> OK
>
>> To kill one (although I think gnome respawns them)
>>  pulseaudio -k
>>
>> It looks like ALSA did find your card, try "aplay -l" to list it from alsa.
>>
>>
> scribe at scribe14:~$ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: AD198x Analog [AD198x Analog]
>  Subdevices: 0/1
>  Subdevice #0: subdevice #0
> card 0: NVidia [HDA NVidia], device 1: AD198x Digital [AD198x Digital]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
>
>> Another problem may be that though your card is intel-HDA compatible,
>> there are actually a whole whackload of sub-models that your specific
>> chipset might fall under. Check for funky entries under:
>>  /etc/modprobe.d/alsa-base.conf
>>  /etc/modprobe.d/snd-hda-intel.conf
>>
>
> Perhaps this is the problem, because I have no such file as
> /etc/modprobe.d/snd-hda-intel.conf:

Actually, I've checked on a couple of the systems here that have
sound, and they don't have this file either. Is the configuration
stored somewhere else now?

> scribe at scribe14:~$ ls -l /etc/modprobe.d/
> total 32
> -rw-r--r-- 1 root root 2497 2009-10-11 15:07 alsa-base.conf
> -rw-r--r-- 1 root root  325 2009-09-15 14:46 blacklist-ath_pci.conf
> -rw-r--r-- 1 root root 1603 2009-09-15 14:46 blacklist.conf
> -rw-r--r-- 1 root root  213 2009-09-15 14:46 blacklist-firewire.conf
> -rw-r--r-- 1 root root  662 2009-09-15 14:46 blacklist-framebuffer.conf
> -rw-r--r-- 1 root root  156 2009-10-11 15:07 blacklist-modem.conf
> lrwxrwxrwx 1 root root   41 2009-11-20 13:15 blacklist-oss.conf ->
> /lib/linux-sound-base/noOSS.modprobe.conf
> -rw-r--r-- 1 root root 1077 2009-09-15 14:46 blacklist-watchdog.conf
> -rw-r--r-- 1 root root   16 2009-08-26 02:49 libpisock9.conf
>
>> The second one will have model-specific info. If the model is wrong,
>> your sound won't work. For example I have:
>>  options snd-hda-intel model=m51va
>>
>> Other options can be:
>>  options snd-hda-intel model=realtek
>>  options snd-hda-intel model=m51va
>>  options snd-hda-intel model=6stack
>>  options snd-hda-intel model=3stack
>>  options snd-hda-intel model=acer
>>  etc etc
>>
>> You'd have to rmmod and them modprobe the driver (snd_hda_intel) to
>> try new ones after editing the config, or stop/start ALSA, or reboot.
>
> So, what if I don't even have that file? Sorry, I'm in a little over
> my depth here :-\
>
>> I think the Nvidia one might be realtek based? I'd have to check my
>> other machine which has an Nvidia chipset and get back to you on that
>> for the params that worked on that one...
>
> If you have a sample file I could try to copy from, that would be
> great! Many thanks for the tips :-)
>
>>
>>
>>
>>
>> On Fri, Feb 19, 2010 at 1:48 PM, Thomas Milne
>> <tbrucemilne-TcoXwbchSccMMYnvST3LeUB+6BGkLq7r at public.gmane.org> wrote:
>>> Sitting at the machine now. In the sound prefs (the speaker icon in
>>> the panel) it does show the sound card and even will show what
>>> application is using it and so on, but still no sound. I'm not sure
>>> what to check to see if the correct 'profile' is being used, but
>>> nothing appears to be muted anywhere.
>>>
>>> I'm not sure how to see if the daemon is running, it doesn't respond
>>> the way I'm used to:
>>>
>>> scribe at scribe14:~$ sudo /etc/init.d/pulseaudio restart
>>> [sudo] password for scribe:
>>>  * PulseAudio configured for per-user sessions
>>> scribe at scribe14:~$ pulseaudio
>>> E: socket-server.c: bind(): Address already in use
>>> E: module.c: Failed to load  module "module-esound-protocol-unix"
>>> (argument: ""): initialization failed.
>>> E: main.c: Module load failed.
>>> E: main.c: Failed to initialize daemon.
>>> scribe at scribe14:~$ pulse-session
>>> E: main.c: Daemon startup failed.
>>>
>>> That could be because it's already running, though, no?
>>>
>>> There was no .asoundrc file to nuke.
>>>
>>> Thanks!
>>>
>>> On Wed, Feb 17, 2010 at 8:44 AM, Tyler Aviss <tjaviss-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
>>>> I found a couple things when updating to karmic on various machines
>>>> that could case this:
>>>>  - Gnome/pulse found a different "default" soundcard than what they should have
>>>>  - PA set the volume to nothing in the sound panel mixer, or turned on mute
>>>>  - Wrong "profile" in the hardware settings of the sound prefs
>>>>
>>>> If you have a .asoundrc file in your homedir you may need to nuke that too
>>>>
>>>> Are you seeing your soundcard? Is the pulseaudio daemon loading?
>>>>
>>>> On Wed, Feb 17, 2010 at 8:23 AM, Thomas Milne
>>>> <tbrucemilne-TcoXwbchSccMMYnvST3LeUB+6BGkLq7r at public.gmane.org> wrote:
>>>>> Ha! So it finally got to me. So far on my home machine it's been no
>>>>> problem, so I've been wondering why everyone hates Pulse so much.
>>>>>
>>>>> Until now. At work we upgraded all the machines to Karmic Koala and
>>>>> now a lot of them have no sound. If you saw how we do our jobs, you
>>>>> would understand what a horrifying thing this is ;)
>>>>>
>>>>> Anyhow, I remember some threads on here a while ago about fixing this
>>>>> by using good 'ol OSS, but as these are work computers I thought I
>>>>> would ask before I start trying some of the solutions. Is this really
>>>>> the tried and true method?
>>>>>
>>>>> I also found this link. Anyone else solve it like this?
>>>>>
>>>>> http://swiss.ubuntuforums.org/showthread.php?t=1395089
>>>>>
>>>>> Thanks!
>>>>>
>>>>> --
>>>>> TBM
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>>>>
>>>>
>>>>
>>>> --
>>>> Tyler Aviss
>>>> Systems Support
>>>> LPIC/LPIC-2/CLA
>>>>
>>>> “Even enemies will help each other if they are together on a boat that
>>>> is in trouble. ” – Sun Tzu
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>>>
>>>
>>>
>>> --
>>> TBM
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>>
>>
>>
>> --
>> Tyler Aviss
>> Systems Support
>> LPIC/LPIC-2/CLA
>>
>> “Even enemies will help each other if they are together on a boat that
>> is in trouble. ” – Sun Tzu
>> --
>> The Toronto Linux Users Group.      Meetings: http://gtalug.org/
>> TLUG requests: Linux topics, No HTML, wrap text below 80 columns
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>>
>
>
>
> --
> TBM
>

-- 
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