Re: [gentoo-user] Zynaddsubfx connected to Rosegarden WITHOUT Jack?

[Michael Schreckenbauer]

Hi Meino,

Am Freitag, 12. August 2011, 05:28:44 schrieb meino.cramer@×××.de:
> pk <peterk2@××××××××.se> [11-08-11 20:12]:
> > On 2011-08-11 13:04, meino.cramer@×××.de wrote:
> >
> > <snip>
> >
> > > How can I prevent to scratch my skin by the roses of this garden
> > > over
> > > and over again.....?
> >
> > Quick question, have you tried this?:
> > http://en.gentoo-wiki.com/wiki/JACK
> >
> > Disclaimer: I haven't used nor am I using Jack at the moment.
> >
> > Best regards
> >
> > Peter K
>
> Hi Peter
>
> Following the above and finally starting jackd be hand (parameters
> taken from the doc you mentioned) to see, what locks qjckctrl hard,
> when starting rosegarden, gives the following output.
>
> Is it possible, the jack goes crazy when seeing six cores running
> in 64bit mode???

unlikely. My machine has 4 cores in 64bit mode and all works.

> solfire:/home/user>jackd -R -d alsa
> jackd 0.118.0
> Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn 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
>
>
> Memory locking is unlimited - this is dangerous. You should probably alter
> the line: @audio   -  memlock    unlimited
> in your /etc/limits.conf to read:
>      @audio   -  memlock    6138036
> JACK compiled with System V SHM support.
> loading driver ..
> creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
> control device hw:0
> configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods
> ALSA: final selected sample format for capture: 32bit integer little-endian
> ALSA: use 2 periods for capture
> ALSA: final selected sample format for playback: 32bit integer little-endian
> ALSA: use 2 periods for playback
> jackd watchdog: timeout - killing jackd

Make shure capture is enabled in alsamixer.
http://forums.gentoo.org/viewtopic-t-826517-start-0.html

> [1]    725 abort      jackd -R -d alsa
> solfire:/home/user>eix jack-audio-connection-kit
> [I] media-sound/jack-audio-connection-kit
>      Available versions:  0.109.2-r1 ~0.116.2 0.118.0 ~0.120.1 ~0.120.2
> ~0.121.2 {3dnow alsa altivec caps coreaudio cpudetection debug doc examples
> mmx netjack oss pam sse} Installed versions:  0.118.0(05:16:35
> 08/12/11)(alsa cpudetection mmx sse -3dnow -altivec -coreaudio -debug -doc
> -examples -oss) Homepage:            http://www.jackaudio.org
>      Description:         A low-latency audio server
>
>
> Best regards,
> mcc

Regards,
Michael