On Wednesday, July 29, 2015 10:20:26 PM Michio Honda wrote:
> Hi,
> 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.)

Can you break into ddb and see what your pinned thread is doing when the
shutdown hangs?  A general 'ps' from DDB would be good as well.

John Baldwin
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