RFR: 8377368: [REDO] Mixed jstack cannot find function in vDSO

[Chris Plummer]

On Sat, 7 Feb 2026 03:16:12 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>>> All the core file tests fail in this way.
>> 
>> The failure happened except TestJhsdbJstackMixedWithVDSOCallCore.java‎? e.g. TestJmapCore.java
>
>> > All the core file tests fail in this way.
>> 
>> The failure happened except TestJhsdbJstackMixedWithVDSOCallCore.java‎? e.g. TestJmapCore.java
> 
> TestJhsdbJstackMixedWithVDSOCallCore.java is skipped:
> 
> TEST RESULT: Passed. Skipped: jtreg.SkippedException: vDSO debuginfo not found (/lib/modules/5.15.0-308.179.6.3.el9uek.x86_64/vdso/vdso64.so)
> 
> The path exists, so I guess it just doesn't have the needed debuginfo.

> @plummercj Could you run this PR on your machine again?

It passes all my testing now. TestJhsdbJstackMixedWithVDSOCallCore.java is skipped due to lack of debuginfo. Is this expected on Oracle Linux 8.2?

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PR Comment: https://git.openjdk.org/jdk/pull/29610#issuecomment-3866058129