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

[Yasumasa Suenaga]

 >    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