Re: linux-next: Tree for April 14 (Call-traces: RCU/ACPI/WQrelated?)

From: Paul E. McKenney
Date: Tue Apr 26 2011 - 07:31:21 EST


On Tue, Apr 26, 2011 at 12:06:57PM +0200, Peter Zijlstra wrote:
> On Sun, 2011-04-24 at 09:43 -0700, Paul E. McKenney wrote:
> >
> > Peter, any thoughts on what I might have done wrong to get the scheduler
> > into a state where it was ignoring a runnable realtime task?
>
> Not really, the only thing I can think of is something like poking at
> task->state while its sleeping. One you set it to TASK_RUNNING wakeups
> will be ignored since its already running ;-)

Well, that does give my something to check for -- thank you!

Thanx, Paul
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