Description of problem:
Getting this error in yum update:
Loaded plugins: rhnplugin, security
/usr/lib/python2.4/xmllib.py:9: DeprecationWarning: The xmllib module is obsolete.  Use xml.sax instead.
 warnings.warn("The xmllib module is obsolete.  Use xml.sax instead.", DeprecationWarning)
Skipping security plugin, no data
Setting up Update Process
Resolving Dependencies
Skipping security plugin, no data
--> Running transaction check
---> Package flash-plugin.i386 0:10.1.53.64-release set to be updated
---> Package perl.i386 4:5.8.8-32.el5_5.1 set to be updated
---> Package xen-libs.i386 0:3.0.3-105.el5_5.3 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package          Arch     Version                 Repository              Size
================================================================================
Updating:
 flash-plugin     i386     10.1.53.64-release      adobe-linux-i386       4.5 M
 perl             i386     4:5.8.8-32.el5_5.1      rhel-i386-server-5      12 M
 xen-libs         i386     3.0.3-105.el5_5.3       rhel-i386-server-5     158 k

Transaction Summary
================================================================================
Install       0 Package(s)
Upgrade       3 Package(s)

Total size: 16 M
Downloading Packages:
Running rpm_check_debug
ERROR with rpm_check_debug vs depsolve:
xen-libs is needed by (installed) xen-3.0.3-80.el5.i386
Complete!

Version-Release number of selected component (if applicable):


How reproducible:
Reproduceable

Steps to Reproduce:
1. Run yum -y update
2.
3.
  
Actual results:
See above.

Expected results:
Packages update.

Additional info: