On Thu, Jun 18, 2015 at 11:53:37AM -0400, Theodore Ts'o wrote: > I've been trying to figure out why generic/299 has occasionally been > stalling forever. After taking a closer look, it appears the problem > is that the fio process is stalling in userspace. Looking at the ps > listing, the fio process hasn't run in over six hours, and using > attaching strace to the fio process, it's stalled in a FUTUEX_WAIT. > > Has anyone else seen this? I'm using fio 2.2.6, and I have a feeling > that I started seeing this when I started using a newer version of > fio. So I'm going to try roll back to an older version of fio and see > if that causes the problem to go away. I'm running on fio 2.1.3 at the moment and I havne't seen any problems like this for months. Keep in mind that fio does tend to break in strange ways fairly regularly, so I'd suggest an upgrade/downgrade of fio as your first move. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
