2008/12/15 Jens Axboe <jens.axboe@xxxxxxxxxx>: > On Mon, Dec 15 2008, Alexander Beregalov wrote: >> 2008/12/15 Jens Axboe <jens.axboe@xxxxxxxxxx>: >> > 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? >> Yes, it can boot without the patch, no oops. > > OK, dumb error. Please try this instead, on top of -next: It works without oopses. > > diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c > index 8a2485d..e8525fa 100644 > --- a/block/cfq-iosched.c > +++ b/block/cfq-iosched.c > @@ -1322,7 +1322,6 @@ static void cfq_exit_single_io_context(struct io_context *ioc, > smp_read_barrier_depends(); > if (cic->key) > __cfq_exit_single_io_context(cfqd, cic); > - __cfq_exit_single_io_context(cfqd, cic); > > spin_unlock_irqrestore(q->queue_lock, flags); > } > > -- > Jens Axboe > > -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
