Re: Warning in worker_enter_idle()

From: Tejun Heo
Date: Mon May 07 2012 - 17:34:51 EST


Hello,

On Mon, May 07, 2012 at 01:55:16PM -0700, Paul E. McKenney wrote:
> I was running rcutorture with CPU hotplug operations. It has happened
> a couple of times on the .config that I attached, but never under any
> of the other 13 .configs that I run.

Ah, okay. The invariant breaks when CPU detaches. The WARN_ON()
probably just needs a condition to disable it if the gcwq is detached.
I'll look into it tomorrow.

Thanks.

--
tejun
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