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6978187: G1: assert(ParallelGCThreads> 1 || n_yielded() == _hrrs->occupied()) strikes again Summary: An evacuation failure while copying the roots caused an object, A, to be forwarded to itself. During the subsequent RSet updating a reference to A was processed causing the reference to be added to the RSet of A's heap region. As a result of adding to the remembered set we ran into the issue described in 6930581 - the sparse table expanded and the RSet scanning code walked the cards in one instance of RHashTable (_cur) while the occupied() counts the cards in the expanded table (_next). Reviewed-by: tonyp, iveresov
author johnc
date Tue, 16 Nov 2010 14:07:33 -0800
parents c18cbe5936b8
children da91efe96a93
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# Define public interface.

SUNWprivate_1.1 {
        global:
                # Dtrace support
                __1cIUniverseP_methodKlassObj_;
                __1cJCodeCacheF_heap_;
                __1cIUniverseO_collectedHeap_;
                __1cHnmethodG__vtbl_;
                __1cICodeBlobG__vtbl_;
                __1cKBufferBlobG__vtbl_;
                __1cLRuntimeStubG__vtbl_;
                __1cNSafepointBlobG__vtbl_;
                __1cSDeoptimizationBlobG__vtbl_;

                __1cNExceptionBlobG__vtbl_;
                __1cQUncommonTrapBlobG__vtbl_;

		__JvmOffsets;
};