Re: [fluid-dev] What is the best way start fluidsynth with zero/low latency?

[josh]

Quoting "S. Christian Collins" <address@hidden>:
> Joan Quintana wrote:
> > Another question is:
> > If pianobooster is gonna be used by normal users... how to explain   
> > them all this staff? Of course, pianobooster needs low latency, and  
> >  it will be necessary to use an rt kernel. I needed about six  
> > months  to be confident with all these subjects, understand latency  
> > and  XRuns...
> Regarding the rt kernel, it seems that the newer default Linux kernels
> seem to handle realtime audio quite well even without using a rt
> kernel.  I stopped using the rt kernel in Kubuntu 9.04, because the
> standard kernel seems to perform just as well, but without the
> instability the rt kernel brings.  Does anybody else have a similar
> experience?
>
> -~Chris

I was having lots of stability problems with the Ubuntu 9.04 rt  
kernel, regular kernel and an updated one off of one of the kernel  
related Ubuntu bug reports.  The -rt kernel wouldn't hard lock up, but  
the file I/O would get hosed after a ext4 related Kernel oops message,  
causing any application attempting to access the partition to lock up.  
 The other kernels would hard lockup at least once a day.  I ended up  
grabbing the latest Kernel (2.6.29.4) and using kpkg to build my own  
RT kernel, using the config /boot/config-2.6.28-3-rt.  So far, no  
lockups.  I haven't tested latency though and it is stock, not patched.

Josh