[ardour-users] ardour timed ou

[R Parker]

--- Jan Depner <eviltwin69 at cableone.net> wrote:
> Some of the effects are not real time.  I think you
> can check them with
> jack-rack.  It lists whether they are RT or not. 
> Try removing effects
> until the problem clears up and then replace them
> one at a time. 
> Freeverb should be OK.  A couple of the TAP plugins
> aren't RT I think.

It might not a problem with plugins because I've
started seeing the subgraph timeouts with the most
recent CVS where Ardour and Jammin are the only apps
in the graph.

ron

> Jan
> 
> On Sat, 2004-07-10 at 17:15, Frode Haugsgjerd wrote:
> > When i load ardour with 3-4 tracks and some LADSPA
> effects, like fast
> > overdrive,freeverb and DJ Flanger (guitar tracks),
> ardour tells me it
> > was too slow and that i have to save and restart.
> > Relevant Jackd log:
> > subgraph starting at ardour timed out
> (subgraph_wait_fd=17, status = 0,
> > state = Running)
> > client ardour error: awake_at = 1817455749 state =
> 2 timed_out = 
> > 
> > My system:
> > Current Debian Unstable
> > jackd          0.98.1-4
> > ardour-gtk     0.9beta17.1-2
> > 
> > Jackd invoked with  /usr/bin/jackstart -R -P5
> -dalsa -dhw:0 -r44100
> > -p1024 -n2 -S -H -M
> > This setting yelds 46,4 msec latency :(
> > Tried many other combinations, no luck.
> > 
> > Vanilla 2.6.7 kernel w. realtime-lsm 0.1.1-2 and
> LD_ASSUME_KERNEL=2.4.19
> > Tried also Ingo's patch against 2.6.7-vanilla, 
> > 
> > WARNING! using the LD_ASSUME_KERNEL trick with
> this kernel wil bog down
> > your system, almost impossible to kill ardour from
> a tty. (but you
> > wizzards probably knew that)
> > 
> > HW:
> > Celleron 2,2 Ghz
> > 512 Ram
> > Old SBLive! (1998)
> > Onboard SiS962 Sound (alsa snd_intel8x0)
> > 
> > I have read up on latency and tested my system
> with latency-graph-0.2
> > http://fsb.x86.no/~froh/div/test.gif
> > This test is while opening lots of heavy apps like
> Openoffice,
> > mozilla.., while copying a kerneltree to another
> partition and compiling
> > a 2.6.7 kernel. The load was well over 3 , an
> there was no audible
> > skipping in xmms playback while doing this test.
> > 
> > I have tested the latest nightly ardour build, and
> also tested with my
> > onboard SiS962 sound, to no avail.
> > 
> > Any help is greatly appreciated, 'cause Ardour is
> one killer app.
> 
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>
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> 



	
		
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