The PR at https://www.rtems.org/bugzilla/show_bug.cgi?id=2124 describes a bug in how thread priority is handled during priority inheritance. Investigate this bug and its possible solutions. Consider the links posted in that PR, and also the mailing list message http://www.rtems.org/pipermail/rtems-devel/2013-November/004941.html

For this task you should write a report of your findings along with what you learned and the references that you used.