Will Maier wrote: I should add that we're running OpenAFS 1.4.1 on Scientific Linux 4.4 on 2.6.9-42.0.3.ELsmp (x86_64). If I'm not mistaken it's a known bug, or rather set of bugs. You want to update to at least OpenAFS 1.4.2, probably later. You may also have some misbehaving clients, or clients behind misbehaving firewalls.