KONNO Kazuhiro

FYI @Akira1Saitoh

Another issue with SCM23 on AArch64 macOS: #14621

Some timeouts in 20x Grinder job: https://openj9-jenkins.osuosl.org/job/Grinder_testList_0/126/

The timeouts in the Grinder job may be related to #15352.

"Unable to locate JIT stack map" was observed in a 20x Grinder run: https://openj9-jenkins.osuosl.org/job/Grinder/1025/ . The job uses the build from June 7 nightly build. ``` OpenJ9 - 0414be65436 OMR...

"Unable to locate JIT stack map" seems to be thrown as an exception by `jitWalkFrame()` in com/ibm/j9ddr/vm29/j9/stackwalker/JITStackWalker.java. The method shown in the message is the same: `java/lang/ClassLoader.loadClass(Ljava/lang/String;)Ljava/lang/Class;`

The symptom is different, but I guess it is related to the crash in Issue #15518 and some other macOS issues. - The assertion failure occurred after the test result...

PR #15907 should fix this issue.

No failures in 20x Grinder job: https://openj9-jenkins.osuosl.org/job/Grinder/712/

Another successful Grinder job (20x): https://openj9-jenkins.osuosl.org/job/Grinder/713/