Description of problem:
When am-utils/amd shuts down, a kernel message appears:

# service amd stop
Stopping amd: Badness in interruptible_sleep_on_timeout at
kernel/sched.c:3004
 [<022f7ba4>] interruptible_sleep_on_timeout+0x5d/0x23a
 [<0211b5bd>] default_wake_function+0x0/0xc
 [<22a9e9e6>] lockd_down+0xb4/0x258 [lockd]
 [<22b6540a>] nfs_kill_super+0x43/0x63 [nfs]
 [<02167d56>] deactivate_super+0xcb/0xe0
 [<021848cc>] sys_umount+0x65/0x6c
 [<021527bc>] unmap_vma_list+0xe/0x17
 [<02152b6e>] do_munmap+0x1e1/0x1eb
 [<021848de>] sys_oldumount+0xb/0xe
                                                           [  OK  ]
#

Version-Release number of selected component (if applicable):
kernel-2.6.8-1.541
am-utils-6.0.9-9

How reproducible:
always

Steps to Reproduce:
1. install fc3t2 and am-utils using NFS mounts
2. start amd
3. stop amd
  
Actual results:
noisy kernel message

Expected results:
quiet shutdown

Additional info: