[aarch64-port-dev ] AARCH64 stage: next steps

[Andrew Haley]

On 01/21/2015 10:35 AM, Vladimir Kozlov wrote:
> On 1/21/15 1:32 AM, Andrew Haley wrote:
>> On 20/01/15 23:34, Vladimir Kozlov wrote:
>>> I pushed 8068053 and 8068054 changes today.
>>> Are these the last changes?
>>> If yes, please, try to build whole JDK from sources in stage repository
>>> and run tests.
>>
>> Okay.  I'm wondering how extensive these tests should be.  I guess I
>> should do something a bit more extensive than simple smoke tests.
>>
>>> If everything alright, I will merge latest jdk9/dev into stage repo and
>>> we can start final testing.
>>
>> Okay.
>>
>> One thing I should mention.  Since we merged JDK 8 and 9 late last
>> year we have been seeing an assertion failure:
>>
>> #  Internal Error (/local/aarch64/jdk9/hotspot/src/share/vm/opto/ifg.cpp:693), pid=3309, tid=4395009634816
>> #  assert(int_pressure.current_pressure() == count_int_pressure(liveout)) failed: the int pressure is incorrect
> 
> Do you see this failure only on arm64 or on other platforms too?

I have only ever seen it on ARM64.

>> We're still trying to track this down.  We have identified the
>> changeset which triggers it, but we don't know exactly where the bug
>> is.  Being unable to replay the compilation makes this especially
>> difficult.
> 
> Some classes may not needed for compilation in replay. Try to remove corresponding lines in replay file.

Thanks, I'll try that.

Andrew.