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Re: jerks

On 12/8/05, Glenn English <ghe@slsware.com> 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?

I had this type of behaviour when i first upgraded to a dual core amd64...

Anything in dmesg about lost ticks?

What is the exact version of your 2.6 kernel?

There are issues with amd64 timer/interrerupts up to 2.6.14 (fixed in .15 afaik)

~ Darryl  ~ smartssa@gmail.com
http://smartssa.com / http://darrylclarke.com

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