Hi, pthread_setschedparam seems to be broken in my PREEMPT_RT version !! The pthread_attr_ interface is working ... Any comments ?? cheers --Armin Armin Steinhoff schrieb: > Harry, > > I'm running as root. The same code works w/o problem with the normal > (non RT) kernel. > "chrt -m" shows 1/99 for SCHED_FIFO. I did also add @root - rtprio 99 > to limits.conf ... no success, as expected. > > --Armin > > Harry van Haaren schrieb: >> 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 >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
