RFR: 8377710: Test serviceability/sa/TestJhsdbJstackMixed.java encountered Driver timeout

[David Holmes]

On Thu, 12 Feb 2026 10:47:27 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> After [JDK-8374469](https://bugs.openjdk.org/browse/JDK-8374469), we saw test failure due to timeout on TestJhsdbJstackMixed.java. See JBS for details.
> 
> TestJhsdbJstackMixed.java attemps run tests (up to 20 times) until the condition is met. However it takes long time in some case (with `-XX:+UseCompactObjectHeaders` at least).
> The condition seems to be for Linux x86 (32 bit), so we can run the test just once and check whether we see exception on stderr.

Fix seems reasonable and testing suggest the Windows issue we were seeing is resolved.

Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29689#pullrequestreview-3794829382