On Wed, 16 Aug 2023 02:33:44 GMT, Alex Menkov <amen...@openjdk.org> wrote:
>> This is an attempt to fix suspicious code in the forceEarlyReturn002.java >> and un-problemlist it to see if the problem appear again. >> >> The test fails in "virtual thread factory" mode with timeout for unclear >> reason after it finished testing and performs cleanup process (debugger >> sends debuggee a command to exit, but debuggee doesn't receive the command). >> This is the only test which has this intermittent communication failures. >> The test was problem-listed, I was not able to reproduce the issue with >> 1000+ runs. >> >> Debuggee creates a thread which executes tight infinite loop in native code >> (in "virtual thread factory" mode it's pinned virtual thread). >> The fix adds delays in the loop and adds new command to exit from native >> method after testing. >> >> Testing: 100 runs in "virtual thread factory" mode on all Oracle supported >> platforms. > > Alex Menkov has updated the pull request incrementally with one additional > commit since the last revision: > > use atomic instead of volatile Infinite loops are not good to have so the test adjustment seems fine in that regard. But I can't see how using the virtual thread factory could trigger a problem with this code. ------------- PR Comment: https://git.openjdk.org/jdk/pull/15301#issuecomment-1685646376