Re: Operation not permitted / pthread_setschedparam

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On Tue, Sep 30, 2014 at 11:40 AM, Armin Steinhoff <armin@xxxxxxxxxxxx> wrote:
> a "pthread_setschedparam" call of the code below terminates with an
> errno == 1  ... means "Operation not permitted"

At risk of asking the obvious: are you running as root, or does the
user running this code have RT priorities?

User priorities controlled by /etc/security/limits.conf : you can set
a groups max-rtprio like so:
@audio          -       rtprio          65

> KERNEL_EVENT_THREAD_PRIORITY is 55!
> How to solve that problem ?

Anything above 50 requrires changing limits.conf  or root IIRC.

HTH, -Harry

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