2.6.14 USB vs. sleep issues

Benjamin Herrenschmidt benh at kernel.crashing.org
Sat Nov 5 08:48:31 EST 2005


On Fri, 2005-11-04 at 20:32 +0100, Vivenzio Pagliari wrote:
> Benjamin Herrenschmidt wrote:
> > 
> > I would say your first mistake is to use PREEMPT :) There are various
> > issues with PREEMPT on ppc32 that have not really been addressed so far,
> > and the USB code has some "holes" that I wouldn't trust in a PREEMPT
> > environment.
> > 
> 
> What do you mean exactly? Should CONFIG_PREEMPT not be used?
> And what about CONFIG_PREEMPT_VOLUNTARY?

I would avoid both for now.

Ben.





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