Re: jerks

[Lee Revell <rlrevell@joe-job.com>]

On Thu, 2005-12-08 at 10:41 -0700, Glenn English wrote:
> I'm trying to make a Digital Audio Workstation (DAW) out of a SUN W2100z
> (dual AMD64).
> 
> Every few seconds, at seemingly random times, everything freezes for
> ~50ms. Even the mouse. Sometimes. Reliable at the first card moved in
> Aisle Riot Solitaire and when Jack is running. Often when I'm typing
> email (chars don't get from the keyboard to the screen).
> 
> I know that's not much of a description, but I don't know where to start
> looking for this. I'm assuming interrupts are being disabled entirely
> momentarily. My background says it's time for a bus monitor, but I don't
> have one handy.
> 
> This happens with a 2.6 kernel from the current updated Sarge or a 2.4
> from DeMuDi 1.2.1 distro.
> 
> Anybody have any idea how to begin tracing this down? Or maybe a better
> explanation of what's going on?
> 

Try the -rt kernel and enable latency tracing



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