Re: No sound after last kernel update.

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On Fri, 2008-02-01 at 16:56 -0600, hackob wrote:
> El vie, 01-02-2008 a las 12:22 -0500, Mark C. Allman escribió:
> > On Fri, 2008-02-01 at 10:51 -0600, hackob wrote:
> > > El vie, 01-02-2008 a las 10:45 -0600, hackob escribió:
> > > > Hi,
> > > > 
> > > > After last kernel update I have no sound in my pc, I have an Intel
> > > > AC'97. If I do a lspci I can see the sound card, but in gnome desktop
> > > > Sound Hardware I only have the PCM output and Modem speaker.
> > > 
> > > Sorry, I didn't say that the kernel versión is
> > > kernel-2.6.23.14-107.fc8. 
> > > > 
> > > > Any idea?, tks.
> > > > 
> > > > Hackob.
> > > > 
> > > 
> > Do you have the Alsa apps such as aplay, arecord, amixer, etc.,
> > installed?  If so, type "aplay -l" and see if any soundcards are found.
> > This is what I get:
> >    [mcallman@prez doc]$ aplay -l
> >    aplay: device_list:205: no soundcards found...
> > 
> 
> Mark,
> 
> This is the output of aplay -l
> 
> [hackob@simon ~]$ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: Phone [2-in-1 Phone], device 0: USB Audio [USB Audio]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: Modem [Intel ICH5 Modem], device 0: Intel ICH - Modem [Intel
> ICH5 Modem - Modem]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> 
> As you can see, there is no sound card.
> 
> Hackob.
> 
> > 
> > I also lost the sound output, although not all.  I can play a ".au" file
> > directly to the /dev/audio device (cat file.au > /dev/audio) and I hear
> > it.  I'm working on finding the solution.  I've posted about it here but
> > haven't had any luck.  It's something with the "pcm" devices (whatever
> > they are), I think.  I've never fiddled with anything audio before so
> > it's all new to me.

Actually, you have two sound cards: card 0 (2-in-1 Phone) and card 1
(Intel ICH5 Modem).  If you didn't have any sound cards then you'd see
the error I'm getting.  Is a "2-in-1 Phone" device actually a device to
play audio?  If so, then run the Soundcard Detection applet (menu System
-> Administration -> Soundcard detection), select your device, and click
the "Play" button (click "repeat" to keep it playing).  If you hear the
guitar playing then your problem is just a device permissions issue.

-- Mark C. Allman, PMP
-- Allman Professional Consulting, Inc.
-- www.allmanpc.com, 617-947-4263

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