RFR: 8163805: hotspot/test/serviceability/sa/sadebugd/SADebugDTest.java failed with timed out

[Chris Plummer]

Hi Yasumasa,

Looks good. Thanks for fixing.

Chris

On 5/17/19 7:13 AM, Yasumasa Suenaga wrote:
> > webrev: http://cr.openjdk.java.net/~ysuenaga/JDK-8163805/webrev.00/
>
> This webrev failed on Windows x64 test on submit repo.
> I've fixed it, and it works fine on submit repo.
> (mach5-one-ysuenaga-JDK-8163805-20190517-1302-2522415)
>
>   http://cr.openjdk.java.net/~ysuenaga/JDK-8163805/webrev.01/
>
> Could you review?
>
>
> Yasumasa
>
>
> On 2019/05/17 14:59, Yasumasa Suenaga wrote:
>> Hi all,
>>
>> Please review a patch of testbug for debugd server:
>>
>>    JBS: https://bugs.openjdk.java.net/browse/JDK-8163805
>>    webrev: http://cr.openjdk.java.net/~ysuenaga/JDK-8163805/webrev.00/
>>
>> This issue has been reported since 2016, but it is not fixed yet.
>>
>> Root cause of this problem is `jhsdb` attempt to attach to test process.
>> test process is parent of `jhsdb`. So jhsdb calls ptrace syscall to 
>> its parent.
>> (test process is hanged by ptrace(2), so it cannot check the response 
>> from jhsdb.)
>>
>> We should use LingeredApp like jhsdb testcases.
>>
>>
>> This is a testbug. It works fine with all serviceability/sa tests on 
>> my Linux x64.
>>
>>
>> Thanks,
>>
>> Yasumasa