On Mon, 10 Nov 2003 23:35:13 +0000
James Courtier-Dutton <[EMAIL PROTECTED]> wrote:

> Richard Lemon wrote:
> > Hi All,
> > 
> > This is one of the problems I have been seeing with the intel8x0
> > driver as well. The problem occurs when you call snd_pcm_start a
> > second time after an xrun, or after you have shut down a program
> > with ctl-c and started it again in the same console. I used the 
> > 
> > If you close the console and open a new one the problem seems to go
> > away!? I used the example code pcm.c from the alsa-lib test
> > directory.
> > 
> > It occurs with both [nforce2 ALC650] combo and [Intel 82901EB-ICH5
> > Analog devices id 75].
> > 
> > I also have a problem when the drivers have been running for a long
> > time (around 5 hours). Without an xrun the snd_pcm_delay() function
> > starts returning impossible numbers. Checking drift against either
> > rdtsc or gettimeofday() alsa starts giving me a 0.1 second per
> > second drift.
> > 
> > I haven't got a machine I can set up for this style of kernel
> > debugging unfortunately, so I am trying to code around these
> > problems.
> > 
> > richard.
> > 
> > 
> Would you be able to submit a small self contained (like the 
> speaker-test code I submitted) source code that would reproduce the 
> problem quickly.
> I would expect that writing code to force xruns would be quite easy.
> I have a ICH5 with ALC650 chip on Motherboard here, so I might be able
> to help you out if I could reproduce your problem.
try to open/close (without seeking) in mplayer or xine - always scrolls
to next position (i think 3 positions at all).


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