Julian Elischer wrote:
for a single CPU you really should compile a kernel with SMP turned off
and 4BSD scheduler.

ULE is just trying too hard to do stuff you don't need.


if we agree on this, I am fine.
(This implies that SCHED_4BSD will *not* be retired for an indefinite time!)

I tested yesterday, and SCHED_4BSD doesn't show the annoying behaviour.
SMP seems to be no problem (and I need that), but PREEMPTION is definitely related to the problem (see my other message sent now).

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