Re: bug, or is it? - SCHED_RR and futex related

[Jamie Lokier]

Rudo Thomas wrote:
> I tracked it down to an infinite waiting in futex( ..., FUTEX_WAIT, 2, NULL).
> Can THIS hang the machine hard when running with SCHED_RR policy?

Do you mean that a task running with SCHED_RR calls futex( ...,
FUTEX_WAIT, 2, NULL), and there are no other SCHED_RR or SCHED_FIFO
tasks?

That cannot lock the machine hard.  When the futex call waits, the task sleeps.

-- Jamie
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