Ardour crashing with error about not being fast enough.

Brian Bergstrom boilingbergstrom at gmail.com
Sat Jan 31 19:24:29 GMT 2009


I finally figured out the problem.  It was a effects plugin that was causing
it to crash, specifically TAP Equalizer.

Ardour Rocks, Case Closed.

>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 30 Jan 2009 18:23:32 +0100
> From: Khashayar Naderehvandi <khashayar.lists at gmail.com>
> Subject: Re: Ardour crashing with error about not being fast enough.
> To: Ubuntu Studio Users Help and Discussion
>        <ubuntu-studio-users at lists.ubuntu.com>
> Message-ID:
>        <fca60f3a0901300923x1e42ad84l950991e55103baad at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Fri, Jan 30, 2009 at 2:01 AM, Brian Bergstrom
> <boilingbergstrom at gmail.com> wrote:
> > I have a project that I was working on in 2.3 and I started getting this
> > error.
> >
> > JACK has either been shutdown or it
> > disconnected Ardour because Ardour
> > was not fast enough. Try to restart
> > JACK, reconnect and save the session.
> >
> > It got the point where I couldn't work on the project anymore. I could
> open
> > the project and playback my song, but as soon as I stopped playback that
> > message would pop up and JACK would get Xruns. My session isn't
> > extroidinary, it has 7 drum tracks that I recorded from Hydrogen, 2
> guitar
> > tracks and a bus. It has 7 effects running which doesn't seem like a lot
> > since I have run more effects in Abelton Live and Adobe Audition before.
> > I investigated and tried to make sure my system was tweaked correctly. I
> am
> > running Ubuntu Studio Hardy with real time kernel 2.26.24. I have my
> audio
> > group setup in the limits file with unlimited memlock. My system has a
> > 1.8GHz Core Duo and 2GB of ram. I don't have any hefty daemons/processes
> > running. I am using a Edirol UA-4fx USB audio interface. I have jack
> setup
> > with 128 frames and 3 periods. I got the same results when I turned the
> > frames up to 1024. Ardour plays/records fine in a new session with just a
> > few tracks. Other audio apps work fine with Jack. I built .116 jack and
> 2.7
> > Ardour from source with optimize flags and still get the same result. My
> > hard drive is running in udma6 mode and gets 900MB/sec cached read and
> > 40MB/sec buffered disk read. I have run the realTimeConfigQuickScan.pl
> from
> > http://wiki.linuxmusicians.com and all checks are good. I am out of
> ideas
> > and just want to make music, any help is greatly appreciated.
> >
> It really does sound like you've tried next to everything.
> The only thing I can think of that you don't explicitly mention is to
> try new versions of ardour + jack without optimization flags (as
> optimization flags might cause instabilities). Also, perhaps try with
> updated alsa?
>
> Regards,
> Khash.
>
>
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