Description of problem:
Xen guests don't show storage devices in 'https://172.22.102.223/rhn/systems/details/SystemHardware.do?sid=1000010002'

Version-Release number of selected component (if applicable):
Spacewalk v1.1

How reproducible:
Browse to https://spacewalk.server.com/rhn/systems/details/SystemHardware.do?sid=1000010002 and not absence of storage devices.  Also do a
[coec@sw java]$ echo "select ID, SERVER_ID, CLASS, BUS, DETACHED, DEVICE, DRIVER, DESCRIPTION, PCITYPE from rhnDevice where SERVER_ID = '1000010002' and CLASS = 'HD';" | sqlplus spacewalk/spacewalk@xe

SQL*Plus: Release 10.2.0.4.0 - Production on Fri Aug 27 10:57:59 2010

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.


Connected to:
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production

SQL>
no rows selected

SQL> Disconnected from Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production

Steps to Reproduce:
1. sqlplus spacewalk/spacewalk@xe
2. select ID, SERVER_ID, CLASS, BUS, DETACHED, DEVICE, DRIVER, DESCRIPTION, PCITYPE from rhnDevice where SERVER_ID = '1000010002' and CLASS = 'HD';
  
Actual results:
No rows returned.

Expected results:
For the above server, at least one row should be returned.

Additional info:
RHEL 5.5 PV guest on RHEL 5.4 Xen host.