* Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote: > On Sunday 15 March 2009 17:48:18 Ingo Molnar wrote: > > > > Cc: Nick Piggin <npiggin@xxxxxxx> > > > Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> > > > LKML-Reference: <20090128135457.350751756@xxxxxxxxx> > > > Signed-off-by: Ingo Molnar <mingo@xxxxxxx> > > > > and with this fixed, and with SLOB now being tested in -tip, the > > new lockdep assert attached below (followed by a real lockup) > > pops up. > > > > Seems like a genuine SLOB bug, probably present upstream as > > well. > > Hmmf. debugobjects calls back into the slab allocator from the > page allocator. The following patch would improve SLOB, but I > think it would be a good idea to avoid a dependency in that > direction. Can debugobjects defer this freeing? dunno - that's a question for Thomas. this lockup does not trigger under any of the other allocators. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html