Ardour does not start in my user

ardour work in root no in my user

I have no error when i start
but the program does not start …

in root however it starts

is my config limits
/etc/security/limits.conf

@audio - memlock 40000

Also add

@audio   -  rtprio     95

to /etc/security/limits.conf and re-login.

see also How do I configure my linux system to allow JACK to use realtime scheduling? | JACK Audio Connection Kit