On Wed, Aug 20, 2014 at 07:43:19PM -0400, Jeff Moyer wrote: > Hi, Dave, > > Dave Chinner <david@xxxxxxxxxxxxx> writes: > > > IOWs, we now have two AIO+DIO tests showing the same symptoms that > > no other tests show. This tends to point at AIO not being fully > > cleaned up and completely freed by the time the processes > > dispatching it have exit()d. This failure generally occurs when > > there is other load on the system/disks backing the test VM (e.g. > > running xfstests in multiple VMs at the same time) so I suspect it > > has to do with IO completion taking a long time. > > Process exit waits for all outstanding I/O, but maybe it's an rcu thing. I thought it did too but it doesn't look like upstream exit_aio() is waiting for iocbs to complete. Ben, are you digging in to this? Want me to throw something together? - z -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html