[rehn@rehn-ws bin]$ ./java -version
java version "9-internal"
Java(TM) SE Runtime Environment (slowdebug build 9-internal+0-2016-09-20-115159.rehn.vanilla-hs)
Java HotSpot(TM) 64-Bit Server VM (slowdebug build 9-internal+0-2016-09-20-115159.rehn.vanilla-hs, mixed mode)
[rehn@rehn-ws bin]$ ./javac -version
 Locks owned:
Mutex: [0x00007fdbdc0143c0/0x0000000000000001] Module_lock - owner: 0x00007fdbdc019800
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/mutex.cpp:1333
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/home/rehn/source/jdk/vanilla-hs/hotspot/src/share/vm/runtime/mutex.cpp:1333), pid=23673, tid=23674
# fatal error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock Module_lock/6 -- possible deadlock
#
# JRE version: Java(TM) SE Runtime Environment (9.0) (slowdebug build 9-internal+0-2016-09-20-115159.rehn.vanilla-hs)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (slowdebug 9-internal+0-2016-09-20-115159.rehn.vanilla-hs, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
# Core dump will be written. Default location: /var/cores/core.%e.%p.%h.%t
#
# An error report file with more information is saved as:
# /home/rehn/source/jdk/vanilla-hs/build/linux-x86_64-normal-server-slowdebug/jdk/bin/hs_err_pid23673.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
Current thread is 23674
Dumping core ...
Aborted (core dumped)