[jdk17] RFR: 8271507: ProblemList SA tests that are failing with ZGC due to JDK-8248912

[Chris Plummer]

On Thu, 29 Jul 2021 19:56:09 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> These tests recently started failing frequently with ZGC
>
> test/hotspot/jtreg/ProblemList-zgc.txt line 46:
> 
>> 44: serviceability/sa/TestJhsdbJstackMixed.java                   8248912   generic-all
>> 45: serviceability/sa/ClhsdbPstack.java#id0                       8248912   generic-all
>> 46: serviceability/sa/ClhsdbPstack.java#id1                       8248912   generic-all
> 
> I'm only seeing failures for 8248912 on linux-x64. You might
> want to limit it to that platform.

I considered it, but given it's ZGC, and the SA support for it is not that stable, I thought it best just to silence it on all platforms.

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PR: https://git.openjdk.java.net/jdk17/pull/294