RFR: 8371014: Dump JFR recording on CrashOnOutOfMemoryError is incorrectly implemented

[Markus Grönlund]

On Sat, 29 Nov 2025 06:06:16 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> The jtreg test TestEmergencyDumpAtOOM.java runs into the following error on ppc64 platforms.
> 
> JFR emergency dump would be kicked at `VMError::report_and_die()`, then Java thread for JFR would not work due to secondary signal handler for error reporting.
> 
> Passed all of jdk_jfr tests on Linux AMD64.

Alternative implementation suggestion PR (in draft state) https://github.com/openjdk/jdk/pull/29094

Includes also a solution to [JDK-8373257](https://bugs.openjdk.org/browse/JDK-8373257)
@tstuefe
 
Please take a look, and also if you can, submit for testing on your platforms.

Markus

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PR Comment: https://git.openjdk.org/jdk/pull/28563#issuecomment-3719105625