[11u] Backport of fix for CDS and JVM-TI agent crash ?

[Langer, Christoph]

Hi Ioi,

thanks again for the update. I'll take care of these backports then.

Thanks
Christoph

> -----Original Message-----
> From: Ioi Lam <ioi.lam at oracle.com>
> Sent: Dienstag, 19. März 2019 22:38
> To: Langer, Christoph <christoph.langer at sap.com>
> Cc: jdk-updates-dev at openjdk.java.net; Michael Rasmussen
> <Michael.Rasmussen at roguewave.com>
> Subject: Re: [11u] Backport of fix for CDS and JVM-TI agent crash ?
> 
> The 3 issues that I wanted to backport were:
> 
> Issue       BP-of   Synopsis
> JDK-8212991 8212205 VM asserts after CDS archive has been unmapped
> JDK-8213273 8213250 CDS archive creation aborts due to metaspace object
> allocation failure
> JDK-8213164 8212200 assert(on_stack()) failed when shared
> java.lang.object is redefined by JVMTI agent
> 
> They are all backport issues related to CDS with (fixVersion = 11-pool).
> Only the last one is related to JVMTI, but the other 2 are kind of
> serious as well. But due to reassignment, I wasn't able to do the
> backport :-(
> 
> Thanks
> - Ioi
> 
> On 3/18/19 2:08 PM, Langer, Christoph wrote:
> > Hi Ioi,
> >
> > ok, thanks for that information.
> >
> > Can you let us know, what exactly these 3 bugs were, that should be
> backported? I guess it's about JDK-8212200, JDK-8213182 which fixes a build
> failure after the former one. And what's the 3rd issue?
> >
> > Thanks
> > Christoph
> >
> >> -----Original Message-----
> >> From: Ioi Lam <ioi.lam at oracle.com>
> >> Sent: Montag, 18. März 2019 19:27
> >> To: Langer, Christoph <christoph.langer at sap.com>
> >> Cc: jdk-updates-dev at openjdk.java.net; Michael Rasmussen
> >> <Michael.Rasmussen at roguewave.com>
> >> Subject: Re: [11u] Backport of fix for CDS and JVM-TI agent crash ?
> >>
> >> Hi Christoph, I have been reassigned (and I've removed myself as the
> >> assigned engineer for those bugs) so I think it's best for the openjdk
> >> community to pick up these backports.
> >>
> >> Thanks
> >>
> >> - Ioi
> >>
> >> On 3/17/19 11:46 PM, Langer, Christoph wrote:
> >>> Hi Ioi,
> >>>
> >>> I'd like to ping you again on this one. What are your current plans on
> >> backporting https://bugs.openjdk.java.net/browse/JDK-8212200 and
> >> whatever needs to go with it? Ideally you still want to do it, but if not I'd
> >> appreciate if you could let us know.
> >>> Thanks a lot in advance
> >>> Christoph
> >>>
> >>>
> >>>> -----Original Message-----
> >>>> From: jdk-updates-dev <jdk-updates-dev-
> bounces at openjdk.java.net>
> >> On
> >>>> Behalf Of Ioi Lam
> >>>> Sent: Dienstag, 29. Januar 2019 01:33
> >>>> To: jdk-updates-dev at openjdk.java.net
> >>>> Subject: Re: Backport of fix for CDS and JVM-TI agent crash ?
> >>>>
> >>>> There are CDS 3 bugs that I plan to backport to 11. I hope to post the
> >>>> requests this week.
> >>>>
> >>>> https://bugs.openjdk.java.net/issues/?filter=36209
> >>>>
> >>>> Thanks
> >>>>
> >>>> - Ioi
> >>>>
> >>>> On 1/28/19 8:35 AM, Lindenmaier, Goetz wrote:
> >>>>> Hi,
> >>>>>
> >>>>> The fact a downport bug was opened does not matter,
> >>>>> you could still flag jdk11u-fix-request and just push it
> >>>>> if approved.  This bug will then be closed as it is flagged 11-pool.
> >>>>>
> >>>>> More gentle it would be to ask Ioi what's going on ...
> >>>>>
> >>>>> Best regards,
> >>>>>      Goetz.
> >>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: jdk-updates-dev <jdk-updates-dev-
> >> bounces at openjdk.java.net>
> >>>> On
> >>>>>> Behalf Of Volker Simonis
> >>>>>> Sent: Monday, January 28, 2019 5:02 PM
> >>>>>> To: Michael Rasmussen <Michael.Rasmussen at roguewave.com>
> >>>>>> Cc: jdk-updates-dev at openjdk.java.net
> >>>>>> Subject: Re: Backport of fix for CDS and JVM-TI agent crash ?
> >>>>>>
> >>>>>> On Mon, Jan 28, 2019 at 4:17 PM Michael Rasmussen
> >>>>>> <Michael.Rasmussen at roguewave.com> wrote:
> >>>>>>> Hi,
> >>>>>>>
> >>>>>>> I was wondering if there are any plans to backport
> >>>>>> https://bugs.openjdk.java.net/browse/JDK-8212200 to jdk11u.
> >>>>>>> I can see https://bugs.openjdk.java.net/browse/JDK-8213164 has
> >> been
> >>>>>> created, but don't know if there are any active plans to actually do it?
> >>>>>> Hi Michael,
> >>>>>>
> >>>>>> I actually don't really understand what this means. Usually, you do a
> >>>>>> down-port by first requesting it on the original bug by applying a
> >>>>>> "jdk<release>u-fix-request" tag. Once the downport will be
> approved
> >>>>>> (by application of a "jdk<release>u-fix-yes" tag), the corresponding
> >>>>>> fix can be pushed to the updates repository. This push automatically
> >>>>>> triggers the creation of the corresponding backport issue in JBS.
> >>>>>>
> >>>>>> I don't know what it means for the downport process [1] if
> somebody
> >>>>>> (apparently manually) creates a backport issue like
> >>>>>> https://bugs.openjdk.java.net/browse/JDK-8213164 ?
> >>>>>>
> >>>>>> Regards,
> >>>>>> Volker
> >>>>>>
> >>>>>> [1] http://openjdk.java.net/projects/jdk-updates/approval.html
> >>>>>>
> >>>>>>> Kind regards
> >>>>>>> /Michael