[ardour-users] Ardour can't connect to JACK

[Fernando Lopez-Lezcano]

On Fri, 2005-07-15 at 13:47, akarl wrote:
> Wolfgang Bauer wrote:
> > for Fedora 4 you can have a look to the ccrma packages:
> > 
> > http://ccrma.stanford.edu/planetccrma/software/
> > 
> > There you will find a lot of manuals running 
> > ardour and jack.
> 
> The Fedora 4 rpm:s are not finished yet. 

Nope, but they are slowly getting there, see:
http://ccrma.stanford.edu/planetccrma/software/fc3buildstatus.html

Jack, Ardour and most of the "usual suspects" are already there.
-- Fernando

> jackd gives the following output:
> 
> $ jackd -R -d alsa -d hw -r 44100
> jackd 0.99.0
> Copyright 2001-2003 Paul Davis and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> 
> cannot lock down memory for jackd (Cannot allocate memory)
> loading driver ..
> apparent rate = 44100
> creating alsa driver ... hw|hw|1024|2|44100|0|0|nomon|swmeter|-|32bit
> configuring for 44100Hz, period = 1024 frames, buffer = 2 periods
> JACK: unable to mlock() port buffers: Cannot allocate memory
> jack_create_thread: error -1 switching current thread to rt for 
> inheritance: Unknown error 4294967295
> cannot start watchdog thread
> cannot load driver module alsa
> 
> Any clues? Is jackd run by Ardour at startup or do I have to run it 
> before I start Ardour?
> 
> -- August