On Fri, 2013-05-03 at 18:03 +0200, Sebastian Andrzej Siewior wrote: 

* Mike Galbraith | 2013-04-24 09:11:15 [+0200]:

quoted

Test driving v3.6-rt, lockdep shuts itself off soon after boot.

[  117.940497] BUG: MAX_LOCKDEP_ENTRIES too low!
[  117.940498] turning off the locking correctness validator.
[  117.940502] Pid: 5242, comm: kio_trash Not tainted 3.6.11.1-rt32-smp #51

Doubling MAX_LOCKDEP_ENTRIES/MAX_LOCKDEP_CHAINS_BITS appeased it.  Box
has been up for an hour without lockdep taking it's toys and going home.

Can you send me your .config offlist please? I haven't seen this yet.

Done.

-Mike