[Ardour-Users] Adding tracks or busses disconnects Ardour from JACK

Harry van Haaren harryhaaren at gmail.com
Sun Oct 9 07:04:18 PDT 2011

Hey Q,

Perhaps check the "Timeout" in the QJackCtl Setup, the lower that is the
faster JACK will kick a client... so increasing that should solve the

Note in my experience setting this to anything > 1000ms will freak out
FFADO, as we have an XRun that can last a second and then my AudioFire makes
JACK stop... or something. 500ms is what I usually have loaded, for
debugging programs you'll want to set it high..

HTH! -Harry

On Sun, Oct 9, 2011 at 11:18 AM, Q <lists at quirq.ukfsn.org> wrote:

> Hi everyone
> I've recently upgraded my system from Ubuntu Studio 9.10 to a fresh install
> of Xubuntu 11.04 (with the Studio packages installed). I'm currently running
> the stock Xubuntu kernel.
> On the new system I've installed Ardour 2.8.12 using the installer from the
> Ardour website. I was using an older, but still fairly recent 2.8 series
> IIRC, version under UbuStu. I'm now running Jack 0.120.1.
> Here's the problem. Whenever I try adding a track or bus Ardour usually,
> but not always, gets disconnected from Jack. This also occurs when trying to
> remove tracks or busses, or when changing the connections on existing tracks
> and busses to re-route stuff.
> This isn't isolated to a single session and these were both very light
> sessions with single-digit CPU loads.
> Is this an Ardour problem, a Jack problem or an OS problem? As you can see,
> there are quite a few new variables.
> Any idea of what the cause of the problem might be and how to resolve it?
> Thanks in advance
> Q
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