RFR(M): Backports of G1 bugs 8009940, 8008301, 8010463, 8010780, 8012335, and 8012715 to hs24

John Cuthbertson john.cuthbertson at oracle.com
Thu May 2 19:04:31 UTC 2013


Hi Everyone,

Some more backports that did not apply cleanly to review:

*8009940:****G1: assert(_finger == _heap_end) failed, 
concurrentMark.cpp:809*
Backport: 
http://cr.openjdk.java.net/~johnc/hsx24-backports/webrev.2.8009940.hsx24.patch/
Original: http://cr.openjdk.java.net/~johnc/8009940/webrev.1/

The changes did not apply cleanly because of CMTask::_worker_id being 
renamed to CMTask::_task_id.

Note these changes are generated w.r.t the backports for 8005032 and 
8009536 being applied.

*8010463: G1: Crashes with -UseTLAB and heap verification*
Backport: 
http://cr.openjdk.java.net/~johnc/hsx24-backports/webrev.4.8010463.hsx24.patch/
Original: http://cr.openjdk.java.net/~johnc/8010463/webrev.0/

I'm not sure why this did not apply cleanly but the rejected chunk was 
in g1CollectedHeap.cpp.

*8010780: G1: Eden occupancy/capacity output wrong after a full GC*
Backport: 
http://cr.openjdk.java.net/~johnc/hsx24-backports/webrev.5.8010780.hsx24.patch/
Original: http://cr.openjdk.java.net/~johnc/8010780/webrev.0/

The changes (especially in g1CollectedHeap.cpp) conflicted with the 
tracing changes.

The following webrevs applied cleanly to hsx24, so no review is needed 
but I'm including them for completeness.

*8008301: **G1: guarantee(satb_mq_set.completed_buffers_num() == 0) failure*
Backport: 
http://cr.openjdk.java.net/~johnc/hsx24-backports/webrev.3.8008301.hsx24.patch/
Original: http://cr.openjdk.java.net/~johnc/8008301/webrev.0/

Note this webrev is was applied on top of 8005032, 8009536, and 8009940.

*8012335: G1: Fix bug with compressed oops in template interpreter on 
x86 and sparc.*
Backport: 
http://cr.openjdk.java.net/~johnc/hsx24-backports/webrev.6.8012335.hsx24.patch/
Original: http://cr.openjdk.java.net/~goetz/webrevs/g1-cOops_bug/

*8012715: G1: GraphKit accesses PtrQueue::_index as int but is size_t*
Backport: 
http://cr.openjdk.java.net/~johnc/hsx24-backports/webrev.7.8012715.hsx24.patch/
Original: http://cr.openjdk.java.net/~goetz/webrevs/8012715/

Note: the last two were contributed by Martin Doerr from SAP.

Thanks,

JohnC


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