Re: [ecasound] ecasound-2.8.1+dev-20120527: Engine starts by itself

From: Joel Roth <joelz@email-addr-hidden>
Date: Wed May 30 2012 - 09:45:49 EEST

On Wed, May 30, 2012 at 07:55:30AM +0300, Kai Vehmanen wrote:
> Hi,
>
> On Mon, 28 May 2012, Joel Roth wrote:
>
> > I haven't checked this against an old ecasound, but with
> > Nama, we've recently noticed the transport starting by
> > itself, without our issuing a start command.
>
> thanks. The log looks fairly normal in that after engine-launch the
> transport may automatically start if JACK transport state is rolling when
> starting.
>
> But I guess in your case, JACK transport is not rolling at this point?

It's just the usual stream of commands to setup the engine, with no start
command issued. I have no other JACK clients running, and
I've set -G:jack,nama,send .

It shows up reliably in the RC code, and reliably *doesn't*
show up in the 2.8.1.

> While digging in to other reports, I found at least one corner case in the
> conditional stop-start logic that is used to handle cop/ctrl additions
> while enigne is running. I think it may restart transport although it was
> stopped before the edit -> a bug.

That's possible. After loading the chain setup, Nama adds
all of the chain operators, so there is a burst
of cop/ctrl additions.

If reason falters (or laziness prevails), I suppose with git
bisect and a little patience it should be possible to track
down.

-- 
Joel Roth
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Received on Wed May 30 12:15:01 2012

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