Re: Alsa 0.9.0, intel8x0 staticky mess

[Nathaniel Gray <n8gray@caltech.edu>]

On Monday 28 April 2003 06:16 am, Takashi Iwai wrote:
> Nathaniel Gray wrote:
> > Any sounds played end up degenerating into static fuzz after a
> > short period of time.  Occasionally I can successfully play a few
> > seconds of a song with XMMS, but usually it's impossible.  The OSS
> > intel8x0 driver doesn't have this problem, but I'd like to use Jack
> > so I'm hoping to get Alsa going successfully.
>
> do you see any kernel messages?

No kernel messages.  

Things have improved somewhat.  I upgraded to BIOS A05 for my machine 
and that helped a bit, but I still get the problem about once per song 
in xmms and I can even trigger it with a little script:
	while cat /proc/apm; do echo ''; done

(I saw the previous posts that seemed to suggest this was a bad 
interaction with apm.)

It doesn't happen on every read from /proc/apm.  Some cause a slight 
skip in xmms, some cause no skip at all, and some make the entire 
remainder of the song go staticky.  I could understand either of the 
first two problems but I don't understand what would mess things up far 
past the time of the disruption.

What else can I do to track down the problem?  I'm fine with C and I'm 
not a complete stranger to the kernel but I've never written or worked 
on a device driver.
-- 
>>>-- Nathaniel Gray -- Caltech Computer Science ------>
>>>-- Mojave Project -- http://mojave.cs.caltech.edu -->



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