6232859: System Reboot Hangs on Some IBM BladeCenter HS20 Servers

Description: On some IBM BladeCenter HS20 servers, attempts to reboot the system result in an apparent hang. In most cases, the last screen output you see is the following:

Rebooting...

Workaround: Download and apply the latest revision of patch 118855 or install at least the Solaris 10 6/06 OS.