Reproducable withJDK 7 on windows-i586 and VMoptions -server -Xmixed -XX:+StartAttachListener -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode. Note, that without '-XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode', I fail to reproduce the failure.

Log: http://vmsqe.russia.sun.com/execution/results/JDK7/PROMOTION/VM/7/b125/ConcMarkSweepIncGC/vm/windows-i586/server/mixed/windows-i586_vm__server_mixed_nsk.jvmti.testlist/ResultDir/ap01t001/ap01t001.log

ERROR: ap01t001.c, 53: Received unexpected number of ObjectFree events: 7
expected number: 6
Test level exit status: 97