[CentOS] First install No Sound

Garrick Staples garrick at usc.edu
Fri Jul 6 04:17:06 UTC 2007


On Fri, Jul 06, 2007 at 05:09:46AM +0100, John Bowden alleged:
> On Friday 06 July 2007 04:44, Garrick Staples wrote:
> > On Fri, Jul 06, 2007 at 04:30:58AM +0100, John Bowden alleged:
> > > The sound card is an on board one.
> > >
> > > class: AUDIO
> > > bus: PCI
> > > detached: 0
> > > desc: "nVidia Corporation MCP61 High Definition Audio"
> > > vendorId: 10de
> > > deviceId: 03f0
> > > subVendorId: 1849
> > > subDeviceId: 0862
> > > pciType: 1
> > > pcidom: ? ?0
> > > pcibus: ?0
> > > pcidev: ?5
> > > pcifn: ?0
> > > -
> > > class: AUDIO
> > > bus: ISAPNP
> > > detached: 0
> > > driver: snd-mpu401
> > > desc: "PNPb006"
> > > deviceId: PNPb006
> > >
> > > The sound card detection program does see it but no sound come out when I
> > > test it. I'm not sure but I think that the nvidia chip set may be quite a
> > > new one and I'm beginning to think it might not be supported yet in
> > > Linux.
> >
> > The listing for a driver implies that it is supported.  This might be a
> > dumb question, but did you check the volume settings in the mixer app?
> Not such a dumb question, I had tried running the alsamixer command when I had 
> F7 installed but not after getting rid of F7 and installing CentOS. I have 
> just tried the command from the cli and here is what I got.
> 
> [john at localhost ~]$ alsamixer
> 
> alsamixer: function snd_ctl_open failed for default: No such device
> [john at localhost ~]$
> 
> When KDE starts up it gives me a error message about the sound problem. Next 
> time I reboot I will make a note of what it is. I know that the speakers are 
> plugged into the correct socket as this machine is one of two that dual boots 
> windozs and I get sound when I run windoz to play games.
> I'm off to bed now as its just past 5am so will shut down this box and have 
> another try later on today. Thanks for the help so far though.

That means the driver isn't loaded.  'modprobe snd-mpu401' as root and
try again.

-- 
Garrick Staples, GNU/Linux HPCC SysAdmin
University of Southern California

Please avoid sending me Word or PowerPoint attachments.
See http://www.gnu.org/philosophy/no-word-attachments.html
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