[ardour-users] 48 channels on ardour

Justin M. Streiner streiner at cluebyfour.org
Wed Jul 18 06:04:20 PDT 2007

On Wed, 18 Jul 2007, John Emmas wrote:

> Actually the problems I've encountered (occasional stuttering and other
> glitches) don't depend on recording at all.  They happen, even if I'm just
> playing back and not recording anything.  My drives are all 7200rpm but
> admittedly, I'm playing back from the same drive as my system's running
> from.
> After I installed OpenSuse, I was advised to install Jacklab which
> (I thought) was to give me a real-time kernel.  However, there was
> no improvement in performance as far as I could tell.... :-(

Are you sure Jacklab was to give you a patched/modified kernel?  Normally, 
that requires that the patches be inserted into the kernel source tree, 
chaning whatever kernel configuration settings that need to be changed, 
then recompiling, installing the new kernel and rebooting, using that new 

I'm assuming your version of OpenSuSE is built on a 2.6 kernel.  Some of 
the real-time kernel options needed may already be folded into your kernel 
tree, but need to be enabled and compiled into the kernel to be active.

If you're seeing dropouts on playback, is your machine doing anything else 
that could be disk-intensive at the same time?


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