[PlanetCCRMA] realtime not working on fc11 ?

[Fernando Lopez-Lezcano]

On Tue, 2009-09-08 at 14:22 -0700, Jonathan Ryshpan wrote:
> On Sat, 2009-09-05 at 23:08 +0200, Felix Pfeifer wrote:
> > Hi all,
> > 
> > i recently installed FC11 and tried to start jackd with qjackctl.
> > I get many dropouts and seem to have no permission to
> > acquire realtime for jack. My user-account is in all pulse* groups
> > and in group audio. I did not install pulse - do i have to???
> > All works fine under FC10. Any ideas? Here is (part of) the output of qjackctl:
> > 
> > ...
> > JACK server starting in realtime mode with priority 89
> > creating alsa driver ... hw:0|hw:0|128|4|44100|0|0|nomon|swmeter|-|16bit
> > Using ALSA driver HDA-Intel running on HDA Intel at 0xffe00000 irq 16
> > configuring for 44100Hz, period = 128 frames (2.9 ms), buffer = 4 periods
> > ALSA: final selected sample format for capture: 16bit little-endian
> > ALSA: use 4 periods for capture
> > ALSA: final selected sample format for playback: 16bit little-endian
> > ALSA: use 4 periods for playback
> > 22:56:14.315 Schaubild der ALSA-Verbindungen geändert.
> > port created: Midi-Through:midi/playback_1
> > port created: Midi-Through:midi/capture_1
> > Cannot use real-time scheduling (RR/89)(1: Operation not permitted)
> > AcquireRealTime error
> > ...
> 
> I see this too, running jackd both from qjackctl and from the command
> line, and have reported it in detail to the jackd mailing list.  Has
> anyone else seen it?  Any cures known?

What is the version of the jack package you have installed?
"rpm -q jack-audio-connection-kit" to know...

What do you see at the end of /etc/security/limits.conf?

-- Fernando