starting OpenJDK6 B25 promotion process - arraycopy stubs place prebarriers incorrectly

[Lana Steuck]

Hello Xerxes,

Thank you for bringing these up. Currently, we are in the middle of the 
promotion (I am waiting for our RE engineers to run an official Oracle 
build and post the sources).

The fixes could be included into the next  promotion - b26.

Thank you,
Lana



On 04/26/2012 07:24 AM, Xerxes Rånby wrote:
> 2012-04-14 00:44, Lana Steuck skrev:
>> Hello,
>>
>> It's time for OpenJDK6 B25 promotion (will be tagged with jdk6-b25).
>>
>> Let me know if there are any additional changes to consider for this OpenJDK6 release.
>>
> I would like to bring up:
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7020521 - arraycopy stubs place prebarriers incorrectly
> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7026307 - DEBUG MESSAGE: broken null klass on amd64 ( fixes a bug introduced by 7020521)
> and suggest a backport of 7066307 and 7020521 to jdk6.
>
> 7026307: http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/348c0df561a9
> 7020521: http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/d89a22843c62
>
> This would potentially fix rare
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0x00007f89fc1a382b, pid=15693, tid=140230539037008"
> crashes.
>
> Cheers
> Xerxes
>
>> Thanks,
>> -Lana