[LAU] Raspberry Pi2 crashes with jconvolver/jack/squeezelite/Squeezebox server

[bricolodu]

Hello,

I have a RPI2 that is used as a Squeezebox Server, a Squeezebox Player
(Squeezelite) and that does Room correction with Jackd and jconvolver.
It is running with a RT kernel.
CPU usage is around 35% (9% to 11% for each of the following services :
Jackd, Jconvolver, Squeezelite)
Mem usage is around 30% (same as above)
After a few minutes the Pi crashes.

I tried both :
jackd -d alsa -r 44100 -p 1024 -n 2 -P -s 
and
jackd -d alsa -r 44100 -p 256 -n 2 -P -s
with no significative difference
<http://linux-audio.4202.n7.nabble.com/file/n99101/Capture_d_%C3%A9cran_2016-02-23_00.png> 
I also played with priorities, affinity, RT sched
here again, with no significative difference

I also tried BruteFIR 
CPU usage is even less.
Nevertheless, Rpi2 crashes after a while.
<http://linux-audio.4202.n7.nabble.com/file/n99101/Capture_d_%C3%A9cran_2016-01-28_00.png> 

I have added to my config.txt
framebuffer_depth=32
framebuffer_ignore_alpha=1
Once again, with no significative difference

What do you suggest ???
I have also read on the net that Rpi2 has NEON and that it might help, if
so, how could I enable it ?

Any help would be much appreciated.
Thank you all
Jean




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