The =operator for the DataBlock class was incorrectly interpreting the class member m_alloc. This variable stands for whether the assigned memory for the data block needs to be freed or not by the class itself. It seems that the =operator interpreted the variable as whether the memory is assigned to the data block. This wrong interpretation was causing values not to propagate to RubySystem::m_mem_vec_ptr. This caused major issues with restoring from checkpoints when using a protocol which verified that the cache data was consistent with the backing store (i.e. MOESI-hammer). |
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