RFR 8085965: VM hangs in C2Compiler

Erik Österlund erik.osterlund at lnu.se
Tue Jun 16 22:30:34 UTC 2015


Hi Kim,

Den 16/06/15 14:55 skrev Kim Barrett <kim.barrett at oracle.com>:

>On Jun 11, 2015, at 9:19 AM, Erik Österlund <erik.osterlund at lnu.se> wrote:
>> 
>> Just out of curiosity, does this fix exactly the same problem for G1? I
>>found the other day that it currently does not respect -Xnoclassgc and
>>had to make workarounds for that so the C2 compiler wouldn¹t hang, as
>>can be seen in this webrev:
>> 
>>http://cr.openjdk.java.net/~eosterlund/g1_dynamic_elision/noclassgc/webre
>>v.00/
>
>Poonam¹s changes address CMS only, but it¹s clear there are similar
>problems in G1.
>
>I¹ve created a CR for G1: https://bugs.openjdk.java.net/browse/JDK-8114823
>
>I¹ve assigned it to me and am working on it.  I think Erik¹s webrev isn¹t
>quite the right fix, but it¹s helpful.  Thanks, Erik.

No problem. It was just a workaround for me. Looking forward to a proper
fix for this from you Kim. :)

Thanks,
/Erik



More information about the hotspot-gc-dev mailing list