Re: next-20081215: kernel BUG at block/cfq-iosched.c:1243

[Jens Axboe]

On Mon, Dec 15 2008, Alexander Beregalov wrote:
> 2008/12/15 Jens Axboe <jens.axboe@xxxxxxxxxx>:
> >> [   23.080733] kernel BUG at block/cfq-iosched.c:1243!
> >> [   23.080733] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> 
> > Odd, is it reproducible? What is your .config?
> Yes, it is
> 
> Config is in attach

It's weird, because the only change for CFQ in that area is the one
below. Does the oops go away if you back this out?