Cannot load projects using jack


When I start cadence, start jack and then start ardour and try to connect to jack I get the following error:

Session “/home/user/Ardour/ProjectName (snapshot ProjectName)” did not load successfully.

I read another thread about adding myself to the users group but I think the instructions were old and was hoping someone might help me through this, if that is indeed the problem.

many thanks in advance

Can you create new sessions? (to rule out that it’s some issue with a specific old session)

Does it work when using Ardour’s ALSA backend directly instead of JACK?

If this is really related to realtime-permissions, then on debian-based systems the easiers is to run

sudo dpkg-reconfigure -p high jackd2

answer “yes” to enable realtime process priority and re-login. On other systems follow

Everything works fine with Alsa, thanks!

I just tried qtractor to see if jack was working and I saw the following error:

Cannot use real-time scheduling (RR/5)(1: Operation not permitted)

JackClient::AcquireSelfRealTime error

I’m using arch so I will try those instructions, thanks

Very good, thank you! Works fine after following the instructions