On Thu, 2007-07-05 at 10:11 -0700, Zach Brown wrote: > > the BUG_ON(). But unfortunately, our perf. team is able reproduce the > > problem. > > What are they doing to reproduce it? How much setup does it take? Huge OLTP run :( > > > Debug indicated that, the ret2 == 1 :( > > That could be consistent with the theory that we're racing with the > dio struct being freed and reused before it's tested in the BUG_ON() > condition. Suparna's suggestion to sample dio->is_async before > releasing the refcount and using that in the BUG_ON condition is a > good one. I will ask them to try that. Thanks, Badari - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html