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Cisco Bug: CSCsz20653 - ACE crash due to deadlock between TCP_TX and CM_CLOSE

Last Modified

Jan 31, 2017

Products (1)

  • Cisco ACE Application Control Engine Module

Known Affected Releases


Description (partial)

In a high traffic scenario, IXP crashed with core due to deadlock between two micro engines in the data plane. 

This crash happened when one micro engine was in the process of closing the connection when the other micro engine was internally processing a RST/FIN for the same connection.
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