Not reproductible crash + unexpected exception?

[Christian Thalinger]

On Mar 3, 2011, at 2:36 PM, Christian Thalinger wrote:
> On Mar 3, 2011, at 2:25 PM, Rémi Forax wrote:
>> On 03/03/2011 02:10 PM, Christian Thalinger wrote:
>>> On Mar 3, 2011, at 1:52 PM, Christian Thalinger wrote:
>>>> On Mar 3, 2011, at 1:12 PM, Christian Thalinger wrote:
>>>>> On Mar 3, 2011, at 9:47 AM, Rémi Forax wrote:
>>>>>> Yes. I use an agent so it can have trigger a deoptimization
>>>>>> even if I don't understand why ?
>>>>> Here is what I get with a debug build:
>>>> <snip>
>>>> 
>>>>> The assert looks like:
>>>>> 
>>>>> 7016279: JSR292 Exception when creating CallSites from multiple threads
>>>>> 
>>>>> Is your source code creating CallSites from multiple threads (massively parallel)?
>>>> 
>>>> Scratch that.  I think I found the problem:  the constant pool cache entry is not properly updated after a GC thus resulting in a bogus value for the BSM.
>>> UseSerialGC seems to do proper pointer updating.  -- Christian
>> 
>> Yes, it's a workaround.
> 
> Thanks for that testcase!  I supposed we still have a problem with parallel GC but I didn't have a failing testcase to prove it.

I filed:

7024561: JSR 292 constant pool cache _f1 field doesn't get properly updated with parallel GC

-- Christian