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Cisco Bug: CSCup88161 - Fabric Interconnect crashes during AIPC message processing

Last Modified

Feb 26, 2018

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

2.1(1d)A 2.2(1d)A 2.2(3f)A

Description (partial) 

Symptom:
UCS Fabric Interconnect crashes due to kernel panic with no core

Conditions:
Issue occurs during processing of AIPC messages, used by NX-OS MTS for inter process communication

Issue occurs due to a race condition where we attempt to free memory AIPC related packet data incorrectly

Operations that generate large amounts of AIPC messaging such as addition of new chassis/blades may be more likely to trigger this issue
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