J M Needham wrote:
> Just downloaded some updates in Suse 10.1 and now Jack won't start with
> the output message
> 10:15:09.194 Startup script...
> 10:15:09.197 artsshell -q terminate
> unix_connect: can't connect to server
> (unix:/tmp/ksocket-jonty/Hardcore101.site-3927-45230e26)
> 10:15:09.697 Startup script terminated with exit status=256.
> 10:15:09.700 JACK is starting...
> 10:15:09.701 jackd -R -p128 -dalsa -dhw:0 -r44100 -p512 -n2
> 10:15:09.734 JACK was started with PID=5500 (0x157c).
> jackd 0.102.20
> Copyright 2001-2005 Paul Davis and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> JACK compiled with POSIX SHM support.
> cannot use real-time scheduling (FIFO at priority 10) [for thread
> -1210202448, from thread -1210202448] (1: Operation not permitted)
> cannot create engine
> 10:15:09.742 JACK was stopped successfully.
> 10:15:11.828 Could not connect to JACK server as client. Please check the
> messages window for more info.
>
> I don't understand this. The only thing I think it could be is "cannot use
> real-time scheduling (FIFO at priority 10) [for thread
> -1210202448, from thread -1210202448] (1: Operation not permitted)" but I
> have no idea how to do it. Having googled the best I found was to reboot.
>
> I checked if it ran as root, which it did. Which device do I have to
> change persmissions of to get ti to run as user again, and why on earth
> would an update change who is allowed to start it? It's worked as user up
> until now!
>
>
Maybe you upgraded some key packages like pam?
You have 2 solutions to access RT priv with linux 2.6 :
first one is the realtime module but there is no reason it stopped
to work if you didn't recompile/upgrade your kernel.
Second one is RLIMIT, open your /etc/security/limits.conf
file and check if you have lines like this :
@audio - rtprio 80
@audio - memlock 500000
(you need logout/login if you make changes to this file)
And be careful on my system the syntax of rtprio has recently
changed from "rt_priority" to "rtprio".
It still not trivial today with linux to have realtime priv for normal
user :(
Good luck.
David.
Received on Sat Oct 28 16:15:22 2006
This archive was generated by hypermail 2.1.8 : Sat Oct 28 2006 - 16:15:22 EEST