RFR: JDK-8325876: crashes in docker container tests on Linuxppc64le Power8 machines [v2]

[Matthias Baesken]

On Thu, 15 Feb 2024 16:38:07 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> We noticed recently crashes in docker container tests on **Linuxppc64le Power8** machines. Those tests use 'ubuntu ppc64le latest' for the container.
>> The crash looks like this :
>> 
>> containers/docker/TestContainerInfo.java
>> 
>> 
>> #
>> # A fatal error has been detected by the Java Runtime Environment:
>> #
>> # SIGILL (0x4) at pc=0x00007fffa18cfc50, pid=1, tid=7
>> #
>> # JRE version: OpenJDK Runtime Environment (23.0) (fastdebug build 23-internal-adhoc.jenkinsi.jdk)
>> # Java VM: OpenJDK 64-Bit Server VM (fastdebug 23-internal-adhoc.jenkinsi.jdk, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, serial gc, linux-ppc64le)
>> # Problematic frame:
>> # C [libz.so.1+0xfc50] inflateReset+0x60
>> #
>> # Core dump will be written. Default location: //core.1
>> #
>> # An error report file with more information is saved as:
>> # //hs_err_pid1.log
>> 
>> 
>> 
>> However 'ubuntu ppc64le latest' (and even 'ubuntu ppc64le 22.04') does not work any more on **Power8** machines.
>> See https://ubuntu.com/download/server/power : "Starting with Ubuntu 22.04 LTS, POWER9 and POWER10 processors are supported.
>> The support for POWER8 ends with Ubuntu 21.10, respectively Ubuntu 20.04 LTS, which is still supported for several years."
>> 
>> So we should consider changing the image on Linux ppc64le to avoid unwanted crashes.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   mention the Ubuntu dependency in flags-cflags.m4

I removed the comment in flags-cflags.m4.
Thanks for the reviews !

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PR Comment: https://git.openjdk.org/jdk/pull/17867#issuecomment-1947941957