Issue with HRMS SELF SERVICE after applying Q2 2012 and RUP5 Patch in R12.1.3

 We recently upgraded from R11 to R12.1.3. We are already in RUP4 patch level. We now applied below patches in our test instance, while performing SSHR testing as a part of our testing, for a particular user, the manager actions is trying to populate the hierarchy and its failing, after 3-4 minutes of time(usually takes less than a minute) it gave an error(screen shot uploaded) looks like an timeout issue. Our DBA's told us that, the particular action so for fetched a billion rows and consumed most of the CPU resource. To confirm this issue is caused by the patch, we took a new instance where no