Re: [LAD] Jack dropping connections ?

From: Robin Gareus <robin@email-addr-hidden>
Date: Thu Dec 27 2012 - 23:03:52 EET

On 12/27/2012 09:13 PM, Fons Adriaensen wrote:
> Hello all,
>
> I'm seeing a strange problem with the WFS system at the Casa del
> Suono.
>
> It consists of a number of Jack apps managed by a python program
> which in turn takes its input from 'player' like remote control
> apps running on two EEEs used by the musem staff.
>
> Some of the port connections are fixed, some are made or unmade
> by the python program according to the item chosen on the player
> interface.
>
> Twice now, after a few weeks of 'uptime', some of the fixed
> connections have disappeared. Everything else remains normal,
> the whole system still functions (apart from some missing audio
> signals) and restoring the connections manually is all that
> is required. No errors or whatever in any of the log files.
>
> The connections that are lost are always between the same two
> apps, both of which only have fixed connections. In other words
> there is nothing in the python control program that ever touches
> any ports of those two apps.
>
> So I'm wondering what's happening here. Anyone else running
> jack1 uninterrupted for months noticed anything strange ?

Not me - I'm running jack2 uninterrupted for months.

Nando was having issues with jack2 and many of connections a while ago:
Dec/2010 "[Jack-Devel] jmess vs. jack 1.9.6, lots of connections" IIRC
the problem was circular graphs. so I don't think it's the same issue.

Is it a static setup or are there apps that run occasionally and
create/release jack ports from time to time?

Which version of jack1?
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Received on Fri Dec 28 00:15:09 2012

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