Integrated: 8376284: New test serviceability/sa/TestJhsdbJstackMixedCore.java from JDK-8374482 fails on Linux Alpine

[Yasumasa Suenaga]

On Thu, 29 Jan 2026 06:20:57 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> TestJhsdbJstackMixedCore.java introduced in [JDK-8374482](https://bugs.openjdk.org/browse/JDK-8374482) failed on Alpine because musl-c does not provide the symbol of signal trampoline (`__restore_rt` on Linux Kernel for AMD64) as following:
> 
> 
> java.lang.RuntimeException: '<signal handler called>' missing from stdout/stderr
> at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:253)
> at TestJhsdbJstackMixedCore.runJstackMixed(TestJhsdbJstackMixedCore.java:62)
> at TestJhsdbJstackMixedCore.main(TestJhsdbJstackMixedCore.java:74)
> at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
> at java.base/java.lang.reflect.Method.invoke(Method.java:565)
> at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:335)
> at java.base/java.lang.Thread.run(Thread.java:1516)
> 
> 
> It would success if debuginfo is installed, but it should be skipped if the symbol is not available.
> See JBS for details.

This pull request has now been integrated.

Changeset: 9c83dff8
Author:    Yasumasa Suenaga <ysuenaga at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/9c83dff811c038ba8b20a9781ea3ac0f4f95b1b9
Stats:     130 lines in 3 files changed: 125 ins; 0 del; 5 mod

8376284: New test serviceability/sa/TestJhsdbJstackMixedCore.java from JDK-8374482 fails on Linux Alpine

Reviewed-by: cjplummer, mbaesken

-------------

PR: https://git.openjdk.org/jdk/pull/29480