Description of problem:
[root@localhost i386]# rpm -q atlas
atlas-3.6.0-15.fc10.i386

[root@localhost i386]# LANG=C yum -y upgrade --exclude=........
Excluding Packages in global exclude list
Finished
Setting up Upgrade Process
Resolving Dependencies
--> Running transaction check
---> Package atlas-sse2.i386 0:3.8.2-2.fc11 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

=================================================================================================================================
 Package                         Arch                      Version                            Repository                    Size
=================================================================================================================================
Installing:
 atlas-sse2                      i386                      3.8.2-2.fc11                       koji-11                      2.8 M
     replacing  atlas.i386 3.6.0-15.fc10


Transaction Summary
=================================================================================================================================
Install      1 Package(s)         
Update       0 Package(s)         
Remove       0 Package(s)         

Total size: 2.8 M
Downloading Packages:
======================================================= Entering rpm code =======================================================
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : atlas-sse2                                                                                                1/2 
Error unpacking rpm package atlas-sse2-3.8.2-2.fc11.i386
error: unpacking of archive failed on file /usr/lib/atlas: cpio: rename
======================================================= Leaving rpm code ========================================================

Installed:
  atlas-sse2.i386 0:3.8.2-2.fc11                                                                                                 

Replaced:
  atlas.i386 0:3.6.0-15.fc10                                                                                                     

Complete!

Well, actually not complete...
The problem is that in atlas-3.6.0-15.fc10 /usr/lib/atlas was actually
a directory. Then atlas-sse2-3.8.2-{2,3}.fc11 tries to replace this
_directory_ with _symlink_, this cannot be done with rpm.

Version-Release number of selected component (if applicable):
atlas-3.8.2-3.fc11

How reproducible:
100%

Steps to Reproduce:
1. yum -y upgrade
2. see what happens on atlas
3.
  
Actual results:
see above