[Ardour-Dev] unexpected stops

Robin Gareus robin at gareus.org
Wed Nov 12 13:15:46 PST 2008


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Fons Adriaensen wrote:
> Hello,
> 
> When controlled remotely via Jack transport, Ardour2
> seems to stop sometimes when requested to locate while
> playing. This happens even when jack_sync_timeout is
> set to a quite high value (5 seconds), 

`man jackd`:  In realtime mode the client timeout must be smaller than
 the watchdog timeout (5000 msec). - 5s may have been re-set to default
500ms?!

> in theory
> allowing ardour to take its time without upsetting
> anyone or itself.
> 
> Any idea why this happens ? There's no error message,
> no 'your disk is too slow' error, etc.
> 
since no one else seems to reply.  This problem is not a
recent one but never bothered me in particular.

I've got a hunch that it's the ardour GUI lazily moving
the playhead.. - I can reproduce it if I do two (or more) transport
relocations. When one of them coincides with ardour adjusting the
playhead to a former relocate (ardour quickly goes to stop and the play
again) jack-transport remains stopped.

Since one can't scrub jack-transport anyway, it's probably not worth
fixing. Did you check if there's already a ticket in the bugtracker?

2c,
robin

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