[jdk11u-dev] RFR: 8279077: JFR crashes on Linux ppc due to missing crash protector in signal handler

Tue Dec 21 19:28:11 UTC 2021

On Tue, 21 Dec 2021 18:49:47 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> This is a linux_ppc specific bug, probably a day-one bug till relevant code was refactored by JDK-8255711 in 16.
> 
> Linux ppc signal handler does not install crash protector as other Linux based platforms do, e.g. linux_x86, that can result a crash while jfr tries to fill stack trace for other thread.

Perhaps this should be fixed in JDK 15, then backported? Otherwise the JBS issue history will be a bit confused.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/729