[Dovecot] LOCKD errors

[Jay Chandler]

Running the nightly from two days ago.

The Dovecot log shows no errors, but I keep getting login errors for a 
few users.

top shows:

71486 user1     1  96    0  4552K  2408K lockd  0   0:00  0.00% imap
11170 user2    1  96    0  4440K  2480K lockd  0   0:00  0.00% imap

And a ps aux shows that these processes have been open for hours.  If I 
move the mbox that contains their mail, the same error still shows up.  
The mboxes reside on our NetApp which is NFS mounted-- does anyone have 
any wisdom regarding this?  As best I can tell this hasn't been a 
problem before the last few RCs, though I could be mistaken on this.

-- 
Jay Chandler
Network Administrator
Chapman University