> A gist of the fix is to allow relaxed special handling of code blob lookup > when done for ASGCT. > > Currently, a guarantee will fail when we happen to hit a zombie method which > is still on stack. While this would indicate a serious error for the normal > execution flow, in case of ASGCT being in progress when the executing thread > can be expected at any possible method this is something which may happen and > we really should not take the profiled JVM down due to it. > > <hr> > Unfortunately, I am not able to create a simple reproducer for the crash > other that testing in our production where the crash is happening > sporadically. > However, thanks to @parttimenerd and his [ASGCT stress > test](https://github.com/parttimenerd/asgct2-tester.git) the problem can be > reproduced quite reliably. > > <br><br> > > _Note: This is a followup PR for #8061_
Jaroslav Bachorik has updated the pull request incrementally with one additional commit since the last revision: Avoid check overhead when possible ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/8549/files - new: https://git.openjdk.java.net/jdk/pull/8549/files/949609c8..5b1debc3 Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8549&range=06 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8549&range=05-06 Stats: 16 lines in 1 file changed: 8 ins; 6 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/8549.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/8549/head:pull/8549 PR: https://git.openjdk.java.net/jdk/pull/8549
