BUG: scheduling while atomic: swapper/0/0x00000002

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Jun 29 07:29:29 EST 2010


On Mon, 2010-06-28 at 09:49 -0700, Paul E. McKenney wrote:
> And it does appear to be reproducible perhaps 50% of boots running
> CONFIG_PREEMPT on kernel-ml8.  I have not yet seen it on any other
> system.
> Do you have a patch to instrument the interrupts so as to get the info
> you need, or should I improvise? 

ftrace & friends ?

I don't have anything existing in mind...

Cheers,
Ben.



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