Hi Marcel,

as far as I can see it there are several issues with your installation.

First of all, both the LSCP result and the output you get for available 
drivers when launching the sampler should be equal. So it looks like you are 
actually using 2 different binaries of the sampler at 2 different locations, 
probably even different versions of the sampler or at least compiled with 
different compile time parameters. So you should probably look into /usr/local 
and /usr/ whether you have duplicates at those 2 different locations.

Actually you should not even be able to get an empty list of drivers ever. 
Because that would mean the sampler was compiled without any driver at all, 
and the sampler's configure script would abort trying to compile the sampler 
without any drivers at first place. To make this clear: even if you had a 
completely screwed up box (i.e. incompatible libjack DLLs) the sampler would 
still always list the drivers it was compiled for both when querying this with 
LSCP as well as when launching the sampler.

Also note that from your command line output you are running a version of the 
sampler which is 4 years old. So updating LS and libgig to their latest SVN 
version would make sense.

CU
Christian

On Donnerstag, 11. Juli 2019 22:29:28 CEST Marcel Bonnet wrote:
> Hi! I was trying to load some LSCP files and I'm surprised with a messasge:
> There is no audio output driver 'JACK'.
> 
> I run FreeBSD, and last time I used LS (two years ago) it was running fine.
> 
> I'm running jackd without problems, so I expected to load JACK driver.
> 
> I entered lscp shell, and no drivers found:
> 
> lscp=# LIST AVAILABLE_AUDIO_OUTPUT_DRIVERS
> (return empty)
> 
> During startup, linuxsampler affirms it registered the drivers. But lscp
> shell returns an empty list and insists that there is no audio output
> driver if try to use one.
> 
> [@machine linuxsampler]$    linuxsampler --instruments-db-location
> instrumentos.db
> LinuxSampler 2.0.0
> Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck
> Copyright (C) 2005-2015 Christian Schoenebeck
> Detected features: disabled at compile time
> Automatic Stacktrace: Off
> Creating Sampler...OK
> Registered sampler engines: 'GIG','SF2','SFZ'
> Registered MIDI input drivers: JACK
> Registered audio output drivers: JACK
> Loading instrument editor plugins...OK
> Registered instrument editors:
> Registered internal effect systems: LADSPA
> Registered internal effects: 242
> Starting LSCP network server (0.0.0.0:8888)...Thread: WARNING, can't
> mlockall() memory!
> OK
> LinuxSampler initialization completed. :-)
> 
> LSCPServer: Client connection established on socket:4.
> There is no audio output driver 'JACK'.
> 
> 
> Thanks in advance.




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