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

Thank You Simon,

When I was using BruteFIR, I have tried that option without success.
I didn't try it with jconvolver.
However, now it is running without issues for 5 hours, a record !

Anyway, I'll try again what you describe, as I also beleive that locking
tasks to core is better for Audio quality.

Best Regards,
Jean

2016-02-27 12:50 GMT+01:00 Simon Wise <simonzwise@email-addr-hidden>:

> On 27/02/16 04:25, Jean Beauve wrote:
>
>> Hello Jeremy,
>>
>> Most of the time, RPi2 send a continuous beep sound from the I2S DAC
>> output
>> and is not anymore under control from putty, so, Yes it is RPi2 that
>> crashes.
>>
>> Once upon a time, i have xruns errors although jackd is in softmode and
>> this whatever the buffer size.
>>
>
> not sure about the current status, I have only old single core RPIs here
> and have not played with them for a while in any case, but some time ago an
> issue with the RPI2 was that load balancing between the cores meant that
> the caches got invalidated as processes got switched between cores leading
> to x-runs each switch ... a way to deal with that was to use the kernel
> systems for locking the critical dsp threads to particular cores.
>
>
> Simon
>
>
>> I didn't experience problems when the RPi2 was running only
>> Jackd/jconvolver/Squeezelite (non RT).
>> I had the problem when running also squeezebox server (RT).
>>
>> I had similar problems (buffer issues) with RPi2 was running
>> BruteFIR/Squeezelite/Squeezebox server, both RT and non RT.
>>
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-- 
Cordialement,
Jean

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Received on Sat Feb 27 16:15:01 2016