[jdk8u-dev] RFR: 8360869: jcstress is able to crash jdk8 on aarch64 with jfr on [v6]

[Jiří Vaněk]

On Wed, 12 Nov 2025 09:38:40 GMT, Jiří Vaněk <jvanek at openjdk.org> wrote:

>> We are seeing rare crashes in jcstress with jdk8 on aarch64 with jfron. Those crashes are real, however we were not able to reproduce with builds on gcc 5 and up. The real culprint was not found. but gcc version on aarch64 should be checked.  Ideal version seems 7, but I'm not that bold.
>> 
>> I think this change must be accompanied by regenerating  `generated-configure` but am not sure with process on it.
>
> Jiří Vaněk has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
> 
>  - regenerated generated-configure by self built autoconf 2.69
>    
>    Skipping about 50 hunks like:
>    @@ -50158,7 +50167,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
>     /* end confdefs.h.  */
>    
>     int
>    -main (void)
>    +main ()
>     {
>     return 0;
>       ;
>  - Improved error message
>  - Moved compiler version result to earlier stage
>  - 8360869: jcstress is able to crash jdk8 on aarch64 with jfr on

`gc/concurrentMarkSweep/SystemGCOnForegroundCollector.java`  on linux and  `security/infra/java/security/cert/CertPathValidator/certification/CAInterop.java#globalsignrootcar6`   on Mac do not seem related.

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

PR Comment: https://git.openjdk.org/jdk8u-dev/pull/697#issuecomment-3521288528