Hi, All.  Just incase anyone else runs into this, we had a handful of  
SL4.5 machines kernel panic after receiving the openafs-1.4.7-68  
update.  Here are the relevant entries in syslog, and please let me  
know if there is any more information I can provide.

Many thanks,
Devin

------

Nov 25 04:44:16 lnx201 yum: Updated: openafs.i386 1.4.7-68.SL4
Nov 25 04:44:17 lnx201 yum: Updated: openafs-client.i386 1.4.7-68.SL4
Nov 25 04:44:17 lnx201 yum: Updated: openafs-krb5.i386 1.4.7-68.SL4
Nov 25 04:44:23 lnx201 kernel: Failed to invalidate all pages on inode  
0xc5987580
Nov 25 04:44:24 lnx201 kernel: WARM shutting down of: CB... afs...  
BkG... CTrunc... AFSDB... RxEvent... UnmaskRxkSignals... RxListener...
Nov 25 04:44:24 lnx201 kernel: VFS: Busy inodes after unmount. Self- 
destruct in 5 seconds.  Have a nice day...
Nov 25 04:44:24 lnx201 kernel: slab error in kmem_cache_destroy():  
cache `afs_inode_cache': Can't free all objects
Nov 25 04:44:24 lnx201 kernel:  [<c0147bcb>] kmem_cache_destroy 
+0x99/0x132
Nov 25 04:44:24 lnx201 kernel:  [<f8d93926>] cleanup_module+0x1e/0x84  
[libafs]
Nov 25 04:44:24 lnx201 kernel:  [<c0136d0e>] sys_delete_module+0x13b/ 
0x184
Nov 25 04:44:24 lnx201 kernel:  [<c01512da>] unmap_vma_list+0xe/0x17
Nov 25 04:44:24 lnx201 kernel:  [<c015160a>] do_munmap+0x108/0x116
Nov 25 04:44:24 lnx201 kernel:  [<c011ae75>] do_page_fault+0x0/0x5c6
Nov 25 04:44:24 lnx201 kernel:  [<c02d8613>] syscall_call+0x7/0xb
Nov 25 04:44:26 lnx201 kernel: libafs: Ignoring new-style parameters  
in presence of obsolete ones
Nov 25 04:44:26 lnx201 kernel: Found system call table at 0xc03289bc  
(pattern scan)
Nov 25 04:44:26 lnx201 kernel: kmem_cache_create: duplicate cache  
afs_inode_cache
Nov 25 04:44:26 lnx201 kernel: ------------[ cut here ]------------
Nov 25 04:44:26 lnx201 kernel: kernel BUG at mm/slab.c:1453!
Nov 25 04:44:26 lnx201 kernel: invalid operand: 0000 [#1]
Nov 25 04:44:26 lnx201 kernel: SMP
Nov 25 04:44:26 lnx201 kernel: Modules linked in: libafs(U) nfs lockd  
nfs_acl parport_pc lp parport autofs4 i2c_dev i2c_core sunrpc md5 ipv6  
loop dm_mirror button battery ac uhci_hcd ehci_hcd hw_random pcspkr  
tg3 sg ext3 jbd raid1 dm_m
od ata_piix libata mptscsih mptsas mptspi mptscsi mptbase sd_mod  
scsi_mod
Nov 25 04:44:26 lnx201 kernel: CPU:    3
Nov 25 04:44:26 lnx201 kernel: EIP:    0060:[<c014795a>]    Tainted:  
PF     VLI
Nov 25 04:44:26 lnx201 kernel: EFLAGS: 00010202   (2.6.9-67.0.1.ELsmp)
Nov 25 04:44:26 lnx201 kernel: EIP is at kmem_cache_create+0x4b3/0x526
Nov 25 04:44:26 lnx201 kernel: eax: 00000033   ebx: f718d874   ecx:  
c044382c   edx: c02ec519
Nov 25 04:44:26 lnx201 kernel: esi: f8d9ae8c   edi: f8d9ae9c   ebp:  
f70ae880   esp: e1dcff78
Nov 25 04:44:26 lnx201 kernel: ds: 007b   es: 007b   ss: 0068
Nov 25 04:44:26 lnx201 kernel: Process modprobe (pid: 6553,  
threadinfo=e1dcf000 task=f73aa0b0)
Nov 25 04:44:26 lnx201 kernel: Stack: f8dacb60 c0000000 c032dba8  
f8d9ae8c 00000080 c032dbc8 f8dad380 c032dba8
Nov 25 04:44:26 lnx201 kernel:        e1dcf000 f8d8321b 00022000  
f8d831f2 00000000 f889f01d c013876d b7dfd008
Nov 25 04:44:26 lnx201 kernel:        09562120 0035e63a c02d8613  
b7dfd008 0009bc84 09562120 09562120 0035e63a
Nov 25 04:44:26 lnx201 kernel: Call Trace:
Nov 25 04:44:26 lnx201 kernel:  [<f8d8321b>] afs_init_inodecache+0x1d/ 
0x2e [libafs]
Nov 25 04:44:26 lnx201 kernel:  [<f8d831f2>] init_once+0x0/0xc [libafs]
Nov 25 04:44:26 lnx201 kernel:  [<f889f01d>] init_module+0x1d/0x3d  
[libafs]
Nov 25 04:44:26 lnx201 kernel:  [<c013876d>] sys_init_module+0xf8/0x21a
Nov 25 04:44:26 lnx201 kernel:  [<c02d8613>] syscall_call+0x7/0xb
Nov 25 04:44:26 lnx201 kernel: Code: 04 19 c0 0c 01 85 c0 75 2a ff 74  
24 0c 68 19 c5 2e c0 e8 9c af fd ff 59 b9 2c 38 44 c0 5e f0 ff 05 2c  
38 44 c0 0f 8e 64 15 00 00 <0f> 0b ad 05 96 c4 2e c0 8b 1b eb 84 8b 54  
24 04 b8 00 f0 ff ff
Nov 25 04:44:26 lnx201 kernel:  <0>Fatal exception: panic in 5 seconds