On Solaris/Sparc and Solaris/Intel with fix for 4325953, run:

java -Xrunhprof:monitor=y PepTest

Dumping contended monitor usage ...#
# HotSpot Virtual Machine Error, Internal Error
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Fatal: Nested VM operation post JVMPI monitor dump requested by operation post
JVMPI
VM death event
#
# Error happened during: post JVMPI VM death event
#
# Error ID: /files/hotspot/jano13bugs/src/share/vm/runtime/vmThread.cpp, 405
#
# Problematic Thread: prio=5 tid=0x8af6dd0 nid=0x4 runnable
#
Internal Error
Fatal: Nested VM operation post JVMPI monitor dump requested by operation post
JVMPI VM
 death event