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. Hmmm - __fput()? > > Can you spend some time trying to reproduce this and getting to the > > bottom of whatever is triggering the unmount error? > > I can take a look, but not until next week. Hopefully that's ok? Yeah, that's fine. I don't have the bandwidth to look at it either right now, so I'll just expunge the test for the meantime. Thanks, Jeff! -Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- 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
