[PATCH] test/jdk/java/rmi/transport/runtimeThreadInheritanceLeak/RuntimeThreadInheritanceLeak.java failed in JITed code

David Holmes david.holmes at oracle.com
Fri Jan 11 03:50:55 UTC 2019

On 11/01/2019 12:13 pm, David Holmes wrote:
> Hi Jie,
> On 11/01/2019 11:58 am, Jie Fu wrote:
>> Hi David,
>> Thanks and apologies.
> No apology needed :)
>> This issue was discovered by a broad -Xcomp testing with jtreg on 
>> Loongson CPUs (MIPS compatible processors).
>> It was intended to test our MIPS port of OpenJDK.
>> We've found and fixed quite a lot of JIT bugs for our MIPS 
>> implementation by this approach.
> Okay, you may well be testing more tests under Xcomp than what we 
> regularly do, so that may well expose a number of tests that may not 
> work at all, or which fail intermittently. I'm trying to find out if 
> there is a relatively easy way to enumerate the tests we do run under 
> -Xcomp.

No easy way but I can tell you we only run a subset of tests in 
java/lang, java/math and java/util under -Xcomp.


> Cheers,
> David
>> I'll ask Ao Qi to file a bug on JBS and post a webrev soon.
>> Thanks again.
>> Best regards,
>> Jie
>>> For hotspot testing we have certain sets of tests that are run under 
>>> -Xcomp, but this is obviously not one of them. Did you discover this 
>>> by chance or because you are attempting to do broad -Xcomp testing? 
>>> Not every test will work with Xcomp (for various reasons) and we 
>>> aren't actively trying to make every test pass with Xcomp.
>>> But by all means file a bug and fix it.
>>> Cheers,
>>> David

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