> This is newly integrated test times out because it has a race in in the Test > #A.1 and #A.2. > The main root cause is a print statement which can case target virtual thread > to unpark and unmount. > This causes that the `StopThreads` unexpectedly fails with the > `JVMTI_ERROR_OPAQUE_FRAME` error code. > The target thread can be in some other unexpected states if JVMTI `StopThread` > is called before the target thread method `A()` reached the synchronized > statement. > > The fix is to replace the `ensureStarted()` with the `ensureAtPointA()`. > The fix also includes some simplifications related to clearing the target > thread interrupt status. > > Testing: > Hundreds of mach5 runs of `serviceability/jvmti/vthread` tests which include > the fixed `StopThreadTest`. > TBD: To run mack5 tiers1-3.
Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision: moved Thread.interrupted() in StopThreadTest.java above a couple of lines ------------- Changes: - all: https://git.openjdk.org/jdk/pull/13969/files - new: https://git.openjdk.org/jdk/pull/13969/files/bc3d1b47..58080db4 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=13969&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13969&range=00-01 Stats: 5 lines in 1 file changed: 3 ins; 2 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/13969.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13969/head:pull/13969 PR: https://git.openjdk.org/jdk/pull/13969
