PING: RFR: 8187401: Java Stack cannot be shown on HSDB

Yasumasa Suenaga yasuenag at gmail.com
Fri Sep 29 09:28:17 UTC 2017


Hi all,

This change has been reviewed by Serguei.
I'm waiting for another reviewer.


Thanks,

Yasumasa


2017/09/27 午前9:49 "Yasumasa Suenaga" <yasuenag at gmail.com>:

> Hi David, Serguei,
>
> I added noreg-hard label and how to reproduce to JBS:
>
>   https://bugs.openjdk.java.net/browse/JDK-8187401
>
>
> Also I uploaded new webrev for jdk10/hs:
>
>   http://cr.openjdk.java.net/~ysuenaga/JDK-8187401/webrev.01/
>
>
> Thanks,
>
> Yasumasa
>
>
>
> 2017-09-27 8:25 GMT+09:00 serguei.spitsyn at oracle.com
> <serguei.spitsyn at oracle.com>:
> > On 9/26/17 16:22, David Holmes wrote:
> >>
> >> On 27/09/2017 8:52 AM, serguei.spitsyn at oracle.com wrote:
> >>>
> >>> Hi David,
> >>>
> >>>
> >>> On 9/26/17 15:09, David Holmes wrote:
> >>>>
> >>>> Hi Sergeui,
> >>>>
> >>>> On 27/09/2017 3:51 AM, serguei.spitsyn at oracle.com wrote:
> >>>>>
> >>>>> Hi Yasumasa,
> >>>>>
> >>>>>
> >>>>> On 9/26/17 02:41, Yasumasa Suenaga wrote:
> >>>>>>
> >>>>>> Hi Serguei,
> >>>>>>
> >>>>>> Thank you for your comment!
> >>>>>>
> >>>>>>> This fix looks Ok to me but you need to add a unit test.
> >>>>>>
> >>>>>>   I guess it is caused by inlined method which is generated by JIT
> >>>>>> compiler. I don't know how to reproduce it on jtreg test.
> >>>>>> Do you have any idea for it?
> >>>>>
> >>>>>
> >>>>> I'm not sure what exact problem you have with jtreg.
> >>>>> You may want to try to use other jtreg tests as examples.
> >>>>
> >>>>
> >>>> I see two problems:
> >>>>
> >>>> 1. hsdb is an interactive GUI tool
> >>>
> >>>
> >>> There is already at least one jtreg hsdb test:
> >>> open/test/hotspot/jtreg/serviceability/sa/JhsdbThreadInfoTest.java
> >>>
> >>> Not sure, if this example would help in this case though.
> >>>
> >>>> 2. The problem seems related to JIT inlining - so how do you force
> that
> >>>> in a test?
> >>>
> >>>
> >>> Then I wonder how was it forced in the manual reproducer?
> >>> The fact it is fixed has to be verified anyway.
> >>
> >>
> >> Well the reproducer happens to hit the issue, so we can use it to
> manually
> >> verify.
> >>
> >>>> I would think this is a noreg-hard situation. As long as there is a
> >>>> manual reproducer that can be used to verify the fix - as per the bug
> report
> >>>> - that should be okay IMHO.
> >>>
> >>>
> >>> I'm Ok with adding noreg-hard label if it is hard to develop.
> >>
> >>
> >> Sounds good to me. The manual verification steps should be very clearly
> >> spelt out in the bug report so that even someone unfamiliar with hsdb
> (like
> >> me!) can follow them easily.
> >
> >
> > Sounds good, thanks.
> >
> > Serguei
> >
> >>
> >> Cheers,
> >> David
> >>
> >>> Thanks,
> >>> Serguei
> >>>
> >>>> Cheers,
> >>>> David
> >>>>
> >>>>> Thanks,
> >>>>> Serguei
> >>>>>
> >>>>>> Yasumasa
> >>>>>>
> >>>>>>
> >>>>>> 2017-09-26 18:15 GMT+09:00 serguei.spitsyn at oracle.com
> >>>>>> <serguei.spitsyn at oracle.com>:
> >>>>>>>
> >>>>>>> Hi Yasumasa,
> >>>>>>>
> >>>>>>> This fix looks Ok to me but you need to add a unit test.
> >>>>>>>
> >>>>>>> Thanks,
> >>>>>>> Serguei
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> On 9/20/17 15:47, Yasumasa Suenaga wrote:
> >>>>>>>>
> >>>>>>>> PING:
> >>>>>>>>
> >>>>>>>> Have you checked this issue?
> >>>>>>>>
> >>>>>>>>> http://cr.openjdk.java.net/~ysuenaga/JDK-8187401/webrev.00/
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> Yasumasa
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> On 2017/09/11 11:16, Yasumasa Suenaga wrote:
> >>>>>>>>>
> >>>>>>>>> Hi all,
> >>>>>>>>>
> >>>>>>>>> This review request is a part of [1].
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> JBS:
> >>>>>>>>>     https://bugs.openjdk.java.net/browse/JDK-8187401
> >>>>>>>>>
> >>>>>>>>> webrev:
> >>>>>>>>> http://cr.openjdk.java.net/~ysuenaga/JDK-8187401/webrev.00/
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> I cannot access JPRT. So I need a sponsor.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> Thanks,
> >>>>>>>>>
> >>>>>>>>> Yasumasa
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> [1]
> >>>>>>>>>
> >>>>>>>>> http://mail.openjdk.java.net/pipermail/serviceability-dev/
> 2017-September/021821.html
> >>>>>>>>>
> >>>>>
> >>>
> >
>
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