[gentoo-user] codec read/write errors

[gentoo-user] codec read/write errors

[David Relson]

I just noticed that my secondary gentoo machine has a /var/log/messages
file of some 600+ MB.  Most of the lines are:

Jun 29 12:53:02 fpc Failure writing to cs5535 codec
Jun 29 12:53:02 fpc Failure reading codec reg 0x7a,Last
       value=0x7a800000 

and it's adding another 20 or so such lines each second.

The machine has been idle (I thought) for a month or so, though it
seems that it may have been generating these messages for weeks!

I've got no idea why this started nor what software is responsible for
generating these messages.

Any thoughts?

Thanks.

David
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Re: [gentoo-user] codec read/write errors

[Willie Wong]

On Sun, Jun 29, 2008 at 01:02:39PM -0400, Penguin Lover David Relson squawked:
> Jun 29 12:53:02 fpc Failure writing to cs5535 codec
> Jun 29 12:53:02 fpc Failure reading codec reg 0x7a,Last
>        value=0x7a800000 
> 
> I've got no idea why this started nor what software is responsible for
> generating these messages.
> 
> Any thoughts?
> 

cs5535 seems to refer to the alsa audio driver
the only thing software-wise that I can find with acronym fpc is the
free pascal compiler... which I admit doesn't make much sense: why
would a compiler care about writing to an audio driver?

HTH,

W
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[gentoo-user] SOLVED [ was: codec read/write errors ]

[David Relson]

On Sun, 29 Jun 2008 18:13:20 -0400
Willie Wong wrote:

> On Sun, Jun 29, 2008 at 01:02:39PM -0400, Penguin Lover David Relson
> squawked:
> > Jun 29 12:53:02 fpc Failure writing to cs5535 codec
> > Jun 29 12:53:02 fpc Failure reading codec reg 0x7a,Last
> >        value=0x7a800000 
> > 
> > I've got no idea why this started nor what software is responsible
> > for generating these messages.
> > 
> > Any thoughts?
> > 
> 
> cs5535 seems to refer to the alsa audio driver
> the only thing software-wise that I can find with acronym fpc is the
> free pascal compiler... which I admit doesn't make much sense: why
> would a compiler care about writing to an audio driver?
> 
> HTH,
> 
> W

Hi Willie,

The box with the problem is named "fpc" which is why that string is in
the logging record.

The box is a fit-pc -- a nifty little low power gentoo machine I got a
few months ago.  The cs5535 problem went away after I upgraded its
kernel from 2.6.20 to 2.6.24. I still don't know the actual cause of
the problem and (since it's gone) have stopped worrying.

Thanks for taking the time to search & help.

Regards,

David
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