When I create a kthread (kthread_add()) and pin it to CPU 0 (sched_bind() in 
the beginning of its worker function), 
shutdown (from the command line) is stuck on a message of "Waiting (max 60 
seconds) for system process `vnlru' to stop..”. If I pin it to CPU 1 there is 
no problem.
I’m using FreeBSD CURRENT whose last commit is 
bf0aa3510005188e55285fbed43d93a34448e377 (on July 3rd).

Do you have any idea to successfully shutdown the system while leaving a 
kthread pinned on CPU 0?
(I have this problem in the process of implementing a polling kthread for VALE.)

- Michio

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