Re: INFO: possible circular locking dependency detected

[Dave Jones]

On Thu, Jul 14, 2011 at 12:34:12PM -0700, Paul E. McKenney wrote:
 
 > Thank you -- you were indeed running with CONFIG_PREEMPT and
 > CONFIG_RCU_BOOST, which would be the case for the bug that Steven Rostedt
 > found.  On reproducing, yes, it could be a bit tough, as the race window
 > is rather narrow.  I could probably add delays to force the situation htat
 > Steven found, but it would be hard to prove that this is your situation.
 > 
 > Dave, was your lockdep splat also with CONFIG_PREEMPT and
 > CONFIG_RCU_BOOST?

yeah. which might explain why I haven't seen it since. (I usually have it
disabled, but turn it on occasionally for a 'lets see what breaks' test)

	Dave
 
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