[ardour-users] segfault starting ardour as non-root

Mark Knecht markknecht at gmail.com
Sat Apr 23 07:25:38 PDT 2005

On 4/23/05, Orm Finnendahl <finnendahl at folkwang-hochschule.de> wrote:
> Hi,
> ardour segfaults when started by a non-root user. Starting jackd and
> ardour as root works fine. Here is what happens: jack is started by
> the user with
> jackstart -R -d alsa -d hw:0 -r 44100 -n 2 -p 1024
> It starts up o.k. When starting ardour and creating a new session,
> ardour segfaults. Below is the terminal output. It seems there are
> some permission problems.
> Thanks for any hints,
> Orm
> ardour: [ERROR]: keyboard_target: error setting binding state: invalid node
> ardour: [ERROR]: Session testardour03 already exists at /home/orm/testardour03
> cannot lock down memory for RT thread (operation not permitted)
> jack_create_thread: error -1 switching current thread to rt for inheritance: unknown error 4294967295

Have you built and loaded the realtime-lsm modules for this kernel? 


That should at least get you past the second error message, and
possibly that's enough not to segfault.

What happens if you remove the realtime -R from the Jack startup command?

- Mark

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