On Thu, 2011-08-11 at 11:43 +0200, Peter Zijlstra wrote:

Right, so I wouldn't know where to start looking on this one. That's
generic code exploding for some reason. How is that related to RTB and
what is RTB to begin with?

Ah, ok so clue came late and PREEMPT_RTB is basically a half-way house
between PREEMPT and PREEMPT_RT (_FULL). It should build and boot but its
not actually meant to be used by anybody but the foolhardly developer.

Still no clue on how I wrecked things there though, maybe if I wake up
more..