Even though it seems a software issue, if I were you I would collect an Active Health System log and an HPS log and create a hardware ticket with ISS Support.
The AHS log can be collected from the iLO or from Intelligent Provisioning - Perform Maintenance
The HPS Report utility can be downloaded from this location:
http://update.external.hp.com/HPS/HPSreports/
This tool will save a cab file in the C:\WINDOWS\HPSReports\Enhanced\Report directory.
The Helpdesk will be able to analyze the logs for you.