RFR: JDK-8311921: Inform about MaxExpectedDataSegmentSize in case of pthread_create failures on AIX

Wed Jul 12 10:43:19 UTC 2023

On Wed, 12 Jul 2023 07:52:06 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> In case pthread_create fails on AIX, MaxExpectedDataSegmentSize might be too small. We have already some UL logging when pthread_create fails, it would be helpful to mention there MaxExpectedDataSegmentSize too.
> 
> We observed the importance of the parameter MaxExpectedDataSegmentSize , when looking into failures of  https://github.com/openjdk/jdk/commits/master/test/hotspot/jtreg/vmTestbase/vm/mlvm/mixed/stress/java/findDeadlock/TestDescription.java  on AIX, this tests generates quite a few threads and might run on some machines into issues because of too low settings of MaxExpectedDataSegmentSize  .

Hi  Johannes and Thomas, thanks for the reviews !

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PR Comment: https://git.openjdk.org/jdk/pull/14845#issuecomment-1632264957