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Cisco Bug: CSCvu14542 - Longevity: kernel panic on EOR fabric module after DUT running 9.3(4) MR CCO for ~5days5hours

Last Modified

Aug 13, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

9.3(4) 9.3(4.10) 9.3(4.40)

Description (partial)

Kernel panic may occur on Cisco Nexus 9500 non-CloudScale LCs/FMs after upgrade to 9.3(4).

The issue happens only on Nexus 9500 non cloud scale modules: Linecards and FM cards.
This kernel panic could happen due to an issue in ARM kernel handling of process stack.
The issue is very rare corner case and exact trigger for the issue is still not known
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