kernel panic with the message "kernel BUG at fs/nfs/namespace.c:103!"

Issue

• System panicked with the following message :

  03:30:02: Mon Feb  1 04:30:01 EST 2010
  03:40:08: ------------[ cut here ]------------
  03:40:08: kernel BUG at fs/nfs/namespace.c:103!
  03:40:08: invalid opcode: 0000 [#1]
  03:40:08: SMP
  03:40:08: last sysfs file: /class/fc_host/host3/speed
  03:40:08:
   Modules linked in: nfs lockd fscache nfs_acl mptctl mptbase autofs4 
  sunrpc bonding dmphdsalua(U) dmpaaa(U) dmpjbod(U) dmpap(U) dmpaa(U) 
  vxspec(U) vxio(U) vxdmp(U) fdd(U) vxportal(U) vxfs(U) d
  m_mirror 
  dm_multipath dm_mod video sbs backlight i2c_ec i2c_core button battery 
  asus_acpi ac parport_pc lp parport joydev ata_piix libata floppy ide_cd 
  cdrom sg bnx2 pcspkr serio_raw usb_stora
  ge qla2xxx scsi_transport_fc cciss sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd
  03:40:08: CPU:    0
  03:40:08: EIP:    0060:[<f96e7403>]    Tainted: PF     VLI
  03:40:08: EFLAGS: 00010246   (2.6.18-53.1.14.el5PAE #1)
  03:40:08: EIP is at nfs_follow_mountpoint+0x22/0x187 [nfs]
  03:40:08: eax: ecaf1c00   ebx: e65a6bb8   ecx: f970e8e0   edx: d26d9f08
  03:40:09: esi: f366a17c   edi: d26d9f08   ebp: f3b367c0   esp: d26d9c38
  03:40:09: ds: 007b   es: 007b   ss: 0068
  03:40:09: Process fileatt (pid: 17731, ti=d26d9000 task=dd3df550 task.ti=d26d9000)
  03:40:09: Stack: 00000000 00000000 0000b000 00000000 0000b000 00000000 00000000 00fb66fe
  03:40:09:        00000000 00000000 00000000 01c465b0 00000000 4b631c8e 3b784228 4aaa690b
  03:40:09:        17c2a828 4aaa690b 17c2a828 00000000 d26d9be8 00000000 f96f9c40 ddf9f6b4
  03:40:09: Call Trace:
  03:40:09:  [<f9664b21>] rpcauth_lookup_credcache+0xfa/0x1f5 [sunrpc]
  03:40:09:  [<f96dba24>] nfs_access_get_cached+0x97/0xd7 [nfs]
  03:40:09:  [<c0482da7>] dput+0x22/0xed
  03:40:09:  [<c0479f7e>] __follow_mount+0x1e/0x65
  03:40:09:  [<c047a018>] do_lookup+0x53/0x166
  03:40:09:  [<c047bf5b>] __link_path_walk+0x9cc/0xd33
  03:40:09:  [<f9664b21>] rpcauth_lookup_credcache+0xfa/0x1f5 [sunrpc]
  03:40:09:  [<c047c30b>] link_path_walk+0x49/0xbd
  03:40:09:  [<c047c0a1>] __link_path_walk+0xb12/0xd33
  03:40:09:  [<c047c30b>] link_path_walk+0x49/0xbd
  03:40:09:  [<c047c6d8>] do_path_lookup+0x20e/0x25e
  03:40:10:  [<c047ce1c>] __user_walk_fd+0x29/0x3a
  03:40:10:  [<c0476a80>] vfs_stat_fd+0x15/0x3c
  03:40:10:  [<c0476b34>] sys_stat64+0xf/0x23
  03:40:10:  [<c0404eff>] syscall_call+0x7/0xb
  03:40:10:  =======================
  03:40:10:
   Code: f9 5b e9 06 c8 d4 c6 5b c3 55 57 89 d7 56 53 89 c3 81 ec 14 01 00
   00 8b 40 0c 3b 5b 18 8b 80 9c 00 00 00 8b a8 60 01 00 00 75 08 
  <0f> 0b 67 00 cf ce 6f f9 8b 07 e8 73 b9 d9 c6 8b 03 85
  c0 75 08
  03:40:10: EIP: [<f96e7403>] nfs_follow_mountpoint+0x22/0x187 [nfs] SS:ESP 0068:d26d9c38
  03:40:10:  <0>Kernel panic - not syncing: Fatal exception
  03:40:10: