On 19/12/2015 1:50 AM, Yasumasa Suenaga wrote: > Hi all, > > I encountered JVM crash when I passed -XX:+EnableTracing. > > I checked core image, it crashed in EventBooleanFlagChanged::writeEvent() > which is called by Arguments::apply_ergo() because thread had not been > initialized. (JVM seems to log changing GC algorithm to G1.)
This seems like a logic error to me - something is trying to happen too early during VM initialization. We need to look at exactly what we are trying to do here, not just work around the crash. David ----- > writeEvent() uses ResourceMark. Default constructor of ResourceMark uses > ResourceArea in current thread. So ResourceMark in writeEvent() should > pass valid ResourceArea. > > I think this issue is in traceEventClasses.xsl . > However, my environment (GCC 5.3.1 on Fedora23) cannot build it because > -Werror=maybe-uninitialized was occurred. > So I also fixed them together. > > I've uploaded webrev. Could you review it? > http://cr.openjdk.java.net/~ysuenaga/JDK-8145788/webrev.00/ > > I'm jdk9 committer, however I cannot access JPRT. > So I need a sponsor. > > > Thanks, > > Yasumasa >
