> The crash happens because nmethod might become a zombie before it is enqueued > in JvmtiDeferredEventQueue or after it is dequeued from it. The crash is > reproduced by serviceability/jvmti/CompiledMethodLoad/Zombie.java. However, > it takes ~3K runs to hit it. I verified the fix by running this test >100K > on each platform. Also, I verified that protecting in 'void > JvmtiDeferredEventQueue::post(JvmtiEnv* env)' is not enough.
Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision: Added comment. ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/4602/files - new: https://git.openjdk.java.net/jdk/pull/4602/files/35d5848c..9ea2cb9c Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4602&range=01 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4602&range=00-01 Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk/pull/4602.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/4602/head:pull/4602 PR: https://git.openjdk.java.net/jdk/pull/4602
