[Ardour-Users] No driver for Jack

[Paul Davis]

On Sat, Aug 15, 2009 at 10:00 PM, Greg Vaughan<gmail at fasteasyloans.info> wrote:
> Hello everybody
>
> When I try and start jack I get the following error message.
>
> could not open driver .so '/usr/lib/jack/jack_net.so':
> /usr/lib/jack/jack_net.so: undefined symbol: jack_driver_nt_init
> could not open driver .so '/usr/lib/jack/jack_alsa.so':
> /usr/lib/jack/jack_alsa.so: undefined symbol: jack_driver_nt_init
> could not open driver .so '/usr/lib/jack/jack_freebob.so':
> /usr/lib/jack/jack_freebob.so: undefined symbol: jack_driver_nt_init
> could not open driver .so '/usr/lib/jack/jack_oss.so':
> /usr/lib/jack/jack_oss.so: undefined symbol: jack_driver_init
> could not open driver .so '/usr/lib/jack/jack_dummy.so':
> /usr/lib/jack/jack_dummy.so: undefined symbol: jack_driver_nt_init
> could not find any drivers in /usr/lib/jack!
> jackd: no drivers found; exiting
>
> Could someone steer me in the right direction to fix this error please...

You almost certainly have installed 2 versions of JACK at the same
time. This is a fatal error. JACK consists of a server and a library
used by applications. The server MUST match the library discovered by
applications when they start (included jackd itself).