Bug#539581: jackd always tries to run realtime

TheGZeus gzeusmants at gmail.com
Sun Aug 2 06:37:46 UTC 2009

Package: jackd
Version: 0.116.2+svn3592-2
Severity: important

I cannot get jackd to run, as it continues to try running in realtime mode, despite a dpkg-reconfigure jackd, and selecting 'no' to the question (mistakenly selected 'yes' previously)
now it simply refuses to start with the following error:

"JACK is running in realtime mode, but you are not allowed to use realtime scheduling.

After applying these changes, please re-login in order for them to take effect.

You don't appear to have a sane system configuration. It is very likely that you
encounter xruns. Please apply all the above mentioned changes and start jack again!"

Is it asking me to completely log out of every shell, X, etc before I can use it?
Is this a debian bug, or some new, even more frustrating Jack thing?
I can't figure out if I'm having problems with Rosegarden until I get Jack running (problem using plugins, not sure if it wants Jack running, or some other problem, as I always had it running in the past).

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.30-0.slh.5-sidux-686 (SMP w/1 CPU core; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=ja_JP.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages jackd depends on:
ii  coreutils              7.4-2             The GNU core utilities
ii  debconf [debconf-2.0]  1.5.27            Debian configuration management sy
ii  libasound2             1.0.20-3          shared library for ALSA applicatio
ii  libc6                  2.9-23            GNU C Library: Shared libraries
ii  libjack0               0.116.2+svn3592-2 JACK Audio Connection Kit (librari
ii  libreadline5           5.2-5             GNU readline and history libraries
ii  libsamplerate0         0.1.7-2           audio rate conversion library
ii  libsndfile1            1.0.20-1          Library for reading/writing audio 

Versions of packages jackd recommends:
ii  libpam-modules                1.0.1-9    Pluggable Authentication Modules f
ii  qjackctl                      0.3.4-1    User interface for controlling the

Versions of packages jackd suggests:
pn  jack-tools                    <none>     (no description available)
pn  libjackasyn0                  <none>     (no description available)
pn  meterbridge                   <none>     (no description available)

-- debconf information:
* jackd/tweak_rt_limits: false

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