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

[Martin Doerr]

On Thu, 15 Feb 2024 15:37:36 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> > Can we somehow determine the power version of the test machine and only return the older Ubuntu version on Power 8? Otherwise I'm concerned that this never gets updated for Power...
> 
> We could look at /proc/cpuinfo and grep for POWER8
> 
> ```
> more /proc/cpuinfo 
> processor	: 0
> cpu		: POWER8 (architected), altivec supported
> clock		: 3525.000000MHz
> ```
> 
> But I would prefer to keep it simple and always use Ubuntu 20.04 as long as we support Power8 .

The WhiteBox API supports `WB.getCPUFeatures()`. That could be used, but I'd prefer to keep it simple, too.

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PR Comment: https://git.openjdk.org/jdk/pull/17867#issuecomment-1946546628