| 摘要 |
In one embodiment, the present invention includes a system, which may be a multiprocessor system having multiple nodes, each with a processor and a cache. The system may include a directory stored in a memory that includes entries having coherency information. At least one of the nodes may be configured to detect an error in an entry of the directory based on a coherency protocol. In some embodiments, the node may correct the error using state information obtained from other nodes. Other embodiments are described and claimed.
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