[ardour-dev] 0.9beta19 crash while doing live recording

Jan Depner eviltwin69 at cableone.net
Mon Dec 20 12:08:34 PST 2004

On Mon, 2004-12-20 at 11:52, R Parker wrote:
> Hi Josh,
> --- Josh Karnes <jkarnes1 at austin.rr.com> wrote:
> > Hey all-
> > 
> > I had sort of a "jam session" at my house last
> > night, set up mics and rolled 
> > 8 tracks in Ardour.  About 31 minutes in everything
> > died...  Ardour stopped 
> > recording and logged a ton of "disk stream" errors
> > and the like, CPU 100%, 
> > machine almost unresponsive.  Files are intact just
> > abruptly end.  Any 
> > clues?  Is this normal?  I know running 8 tracks for
> > half an hour may be out 
> > of the ordinary,
> It is not out of the ordinary.
>  but I had more than adequate disk
> > space to run for a LONG time.
> I've recently had very similar experiences and don't
> know the cause. I thought it might have been disk
> performance or storage related. I don't think it was
> storage but can't rule out disk peformance. I don't
> know if my CPU became 100% used but I'm fairly certain
> it did. Ardour would toss a warning (forget what it
> said) at me and then I'd immediately have to kill X.
> If I didn't kill X, I'd have to power cycle and
> reboot. I guess that doesn't sound disk related.
   Ron, this sounds exactly like what happens when you get denormals in
plugins.  I've had the same thing happen to me.  Another symptom is that
it will happen after stopping the transport.  Watch the DSP percentage. 
Of course, this is assuming you're running some plugins ;-)


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