Re: [rvm-research] [rvm-core] Regarding Exception thrown in RefCount Implementation.

Thank you Robin.

Cheers
Hari


On Tue, Dec 24, 2013 at 9:21 PM, Robin Garner <[email protected]>wrote:

> I've just done a bisection search.  Looks like this was broken in r10480,
> which introduced Rifat's lazy treatment of new objects in reference
> counting.
>
> Rifat, could you take a look ?
>
> Meanwhile Hari, I'd look through this revision and see if you can see any
> implicit assumptions about the object header.
>
> Robin
>
>
> On Tue, Dec 24, 2013 at 1:04 PM, Hari Krishnan <[email protected]>wrote:
>
>> Hi Erik and Robin,
>>
>> Thank you for the reply.  I am using RDB to inspect Boot Image.  I am
>> going to download the earlier stable release now  and will let you know the
>> status soon.
>>
>> Cheers
>> Hari
>>
>>
>> On Mon, Dec 23, 2013 at 8:21 AM, Erik Brangs <[email protected]> wrote:
>>
>>> Hi,
>>>
>>> On 19.12.2013 01:45, Hari Krishnan wrote:
>>> > I cannot figure out why this error pops up.
>>>
>>> Based on your previous mails, I assume that you've already read the
>>> documentation. I'm not proficient in MMTk so I can't give you any specific
>>> advice. However, my experience is that it is a good idea to read a book
>>> about debugging if you never had any formal education in debugging.
>>>
>>> You can also take a look at rdb ( http://sape.inf.usi.ch/rdb ), a Jikes
>>> RVM specific debugger that's being developed by Dmitri Makarov and Matthias
>>> Hauswirth at the University of Lugano. AFAIK you'll need to use Mac OS if
>>> you want to attach to a running Jikes RVM. If you don't use Mac OS, you can
>>> still use rdb to examine the bootimage.
>>>
>>> > I am attaching the patch here that reproduced that error. The error
>>> that produced is following:
>>>
>>> I can confirm that the patch reproduces the problem on hg tip for the
>>> BaseBaseRefCount configuration. I'm not sure whether it's a MMTk problem or
>>> a problem in the interaction of MMTk and Jikes RVM. Perhaps the MMTk test
>>> harness can be used to determine that?
>>>
>>>
>>> Kind regards,
>>>
>>> Erik Brangs
>>>
>>>
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>>
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