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Cisco Bug: CSCvh75279 - GPLUS 184 -MTC: Kernel PANIC after VPC role change - Scale setup

Last Modified

Jun 04, 2020

Products (1)

  • Cisco Nexus 3000 Series Switches

Known Affected Releases


Description (partial)

The switch reloads due to Kernel panic with watchdog hard lockup.

The exact conditions are not known. But following are the some of the scenarios in which this is seen.
The problem is seen when the switch receive burst of interrupts.
The problem can be seen when the Inband DMA memory corrupts and the Inband TX traffic stops.
The VPC role change causes a burst of Inband packet interrupts.
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