RE: Debugging kernel semaphore contention and priority inversion

Mike Galbraith
2005-08-19T05:17:01Z

At 08:50 AM 8/18/2005 -0600, Davda, Bhavesh P \(Bhavesh\) wrote:
>
> > Sounds like there must be another player who is RT prio + spinning.
>
>Very good! Yes, I left out that piece of detail in my original posting.
>There is a real low priority (4) SCHED_FIFO (hence still higher than any
>SCHED_OTHER) task spinning.

That's a (fairly) deadly bug.

-Mike