Re: [proaudio] xruns with jack-audio-connection-kit-1.9.9.5

[Wayne <wayne@xxxxxxxxxxx>]

Il giorno gio, 31/01/2013 alle 12.11 +0100, Sebastian Rose ha scritto: 
> On 30/01/13 17:11, Wayne wrote:
> > Il giorno mer, 30/01/2013 alle 13.09 +0100, Sebastian Rose ha
scritto:
> >> Hello all,
> >>
> >> since upgrading from 1.9.8 to 1.9.9.5 I'm getting constant xruns
with
> >> jack while doing nothing. I didn't change anything else and
reverting to
> >> 1.9.8 fixes the problem. I'm running a firewire interface with
libffado.
> >> Anyone experienced similar problems?
> >>
> >> best,
> >> semkath
> >>
> > here i am running JACK 1.9.9.5 with libffado-2.1.0 and no constant
> > xruns, same as previous JACK. are you sure that the CPU freq.
scaling
> > is set to "performance/max", i.e. not "on demand"? when i forget to
do
> > that i get similar behavior. on my system "cpufreq-info" from the
> > "cpufrequtils" package returns the current CPU scaling settings.
> 
> Doesn't matter if I have cpufreq set to "ondemand" or "performance", 
> 1.9.9.5 produces constant xruns. Everything else was taken care of:
IRQ 
> priorities, realtime permission with cgroups and all that jazz. Maybe 
> it's a bug within jack.
> 

hmm, only other thing i can say is that i am not using cgroups, instead
an older kernel with RT added 3.2.14-rt24-libre-rt24 #3 SMP PREEMPT RT.
i guess stick with the older JACK until some more info is found.
good luck