Description of problem:

When rhnreg_ks is run with latest rhn-client-tools against Spacewalk 1.0, the profile get created but when sending package info, it fails.

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

Spacewalk 1.0 on server.
rhn-client-tools-1.0.0-1.el5 on client.

How reproducible:

Deterministic.

Steps to Reproduce:
1. Have Spacewalk 1.0 and RHEL 5 client.
2. Upgrade rhn-client-tools from Spacewalk 1.0 client repo.
3. Run rhnreg_ks.
  
Actual results:

# rhnreg_ks --activationkey=1-test-1 --force
An error has occurred:

Error Class Code: 21
Error Class Info: Invalid arguments passed to function.
Explanation: 
     An error has occurred while processing your request. If this problem
     persists please enter a bug report at bugzilla.redhat.com.
     If you choose to submit the bug report, please be sure to include
     details of what you were trying to do when this error occurred and
     details on how to reproduce this problem.

See /var/log/up2date for more information

and on the server in /var/log/rhn/rhn_server_xmlrpc.log

2010/05/05 13:49:48 +02:00 12662 10.34.34.140: rhnSQL/driver_cx_Oracle.connect('Connecting to database', 'xe')
2010/05/05 13:49:48 +02:00 12662 10.34.34.140: xmlrpc/registration.welcome_message('lang: None',)
2010/05/05 13:49:48 +02:00 12655 10.34.34.140: xmlrpc/registration.create_system("token = '1-test-1'", '5Server', 'i686-redhat-linux')
2010/05/05 13:49:48 +02:00 12655 10.34.34.140: rhnServer/server_token.process_token(1000010022, 'enterprise_entitled')
2010/05/05 13:49:48 +02:00 12386 10.34.34.140: xmlrpc/registration.add_hw_profile(1000010022, 'items: 19')
2010/05/05 13:49:49 +02:00 12656 10.34.34.140: xmlrpc/registration._normalize_packages('ERROR', 'Invalid package spec for extended_profile >= 2', <type 'list'>, 'len = 5')

Expected results:

No error.

Additional info:

The thread on spacewalk-list is
https://www.redhat.com/archives/spacewalk-list/2010-May/msg00010.html