On Thu, 15 Mar 2012, Kelsey Cummings wrote:

> We're seeing these errors on 2.6.32-220.7.1.el6.x86_64 as seen in
> https://bugzilla.redhat.com/show_bug.cgi?id=790729 with NetApp filers
> and it is making large maildir spools on our IMAP servers a bit (read a
> lot) unhappy.  Is anyone else having this problem?

that BZ points at:

   https://bugzilla.redhat.com/show_bug.cgi?id=770250

which has a patch and claims 'Fixed In Version: 
kernel-2.6.32-235.el6' though it looks like they are only targetting it 
for 6.3 - presumably not enough people have the problem, or maybe it is 
queued for QA...

  -- Jon