[ardour-users] Jack is Jacked
mrfisher_1 at yahoo.com
Thu Mar 30 08:47:23 PST 2006
ok...no jackstart in 2.6.x gotcha... I wish I could try it...
I'm running kernel 2.6.10 by the way.
Somehow I've managed to really screw up my audio system here... now i can't even get the alsa modules to load... when I run /etc/init.d/alsasound start... it tells me that the modules are an invalid format.
I did something seriously wrong... It might be better if I just scrap this installation of Gentoo and reinstall.. Its an experimental install anyway. For me to "try" to learn Linux "do's and don'ts" I suppose... It takes so freakin' long though.
Tux, I love ya man... but sometimes you drive me crazy.
Paul Davis <paul at linuxaudiosystems.com> wrote: On Thu, 2006-03-30 at 07:38 -0800, Mike Fisher wrote:
> It turns out I had two installs of jack and qjackctl... I still get
> some errors though
> --> cannot write to jackstart sync pipe 4 (Bad file descriptor)
> jackd: wait for startup process exit failed
do not use jackstart to start jackd on a 2.6 series kernel. we really
need to get rui to remove this option from qjackctl. jackstart is
exclusively for use on 2.4 kernels.
> -->cannot lock down memory for RT thread (Cannot allocate memory)
> -->cannot use real-time scheduling (FIFO at priority 9) [for thread
> 147458, from thread 147458] (1: Operation not permitted)
> -->cannot use real-time scheduling (FIFO at priority 20) [for thread
> 49156, from thread 49156] (1: Operation not permitted)
> -->cannot use real-time scheduling (FIFO at priority 10) [for thread
> 65541, from thread 65541] (1: Operation not permitted)
> I'm going to try rebuilding alsa and then jack again... perhaps this
> will help
no, that won't help. you don't have permission to run apps with realtime
scheduling. the way to fix this depends a lot on which kernel you are
running and which distribution.
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