Re: [Alsa-user] pcm_lib.c: Unexpected hw_pointer value

[wwp <sub...@fr...>]

Hi Ryan Underwood,


On Thu, 20 Nov 2003 21:58:48 -0600 Ryan Underwood <nem...@ic...> wrote:

> 
> Hi,
> 
> On Wed, Nov 19, 2003 at 10:10:43AM +0100, wwp wrote:
> > Hi folks,
> > 
> > 
> > I usually see the message below in /var/log/messages. Using alsa 0.9.8 over
> > a SuSE 8.1's 2.4.19-4GB, modutils 2.4.26.
> > It doesn't happen w/ all the played sounds. 
> > 
> > kernel: ALSA ../alsa-kernel/core/pcm_lib.c:216: Unexpected hw_pointer value
> > (stream = 0, delta: -62, max jitter = 8192): wrong interrupt acknowledge?
> > 
> > Does this indicates a broken/incompatible .wav file, a bug or a config
> > problem? AFAIR, I did see such msg w/ <0.9.6.
> 
> I receive lots of these too (hundreds of megs of logfiles) and have no
> idea what causes them either.  Do you have any problems yourself with
> stereo channels swapping/reversing sometimes, or some clicking in
> playback?

Never tried. I don't play w/ sound features :-). No special bad behaviour
except sound corruptions when accessing /proc/acpi stuff while a sound
is played, or those hw_pointer errors in /var/log/messages w/ recent alsa
stuff compiled from the sources (with <=0.9.6, no problem).


Regards,

-- 
wwp