Method for correlating an error message from a PCI express endpoint
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United States of America Patent
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Mar 20, 2012
Grant Date -
Nov 26, 2009
app pub date -
May 20, 2008
filing date -
May 20, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
In a method of handling errors in a digital system that includes a root complex in data communication with at least one endpoint, the endpoint including at least one advanced error reporting register, an error is detected by the endpoint. Error data indicative of the error is stored in an advanced error reporting register. An indication of which transaction caused the error is stored in a secondary location. An error message packet that includes the error data and the indication of which transaction caused the error is generated. The error message packet is transmitted to the root complex. The root complex is caused to take a preselected action in response to the error message packet.
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