Jackd Problems -- alsa_pcm: xrun of at least 1227061150613.504 msecs

[Paulo Cavalcanti]

On Wed, Nov 19, 2008 at 1:28 AM, Jonathan Ryshpan <jonrysh at pacbell.net>wrote:

> In the past I've never had any problems running jackd.  Now I'm getting
> a very large number of messages reading:
>        **** alsa_pcm: xrun of at least 1227061150613.504 msecs
> I'm running F9 on an x86_64 system with all updates installed.
> Pulseaudio is not running.  Jackd is started via qjackctl.  No past
> problems with audio beyond the usual conflicts between pulseaudio and
> firefox.
>
> Questions:
> (1) What exactly does this message mean?  An "xrun" is a buffer under-
> or over-run -- but what does the time interval represent?
>
> (2) Whatever the time interval means, it looks rather large.
> 1227061150613.504 msec is many days (or maybe years if msec means
> millisec and not microsec)  This looks like a misconfiguration of some
> kind or a missing component.  Any idea what it might be?
>
>
The solution depends on your card (I have an Intel onboard card).
But this material may give you an idea on what you can try:


http://people.atrpms.net/~pcavalcanti/alsa-1.0.15rc2_snd-hda-intel.html#jack


-- 
Paulo Roma Cavalcanti
LCG - UFRJ
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