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Cisco Bug: CSCvs00400 - Kernel panic and reload due to Watchdog Timeout after link flaps

Last Modified

May 22, 2020

Products (52)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 3132Q-V Switch
  • Cisco Nexus 3548-XL Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 92160YC-X Switch
  • Cisco Nexus 93108TC-FX Switch
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Known Affected Releases

7.0(3)I7(6)

Description (partial)

Symptom:
A Nexus 93180YC-EX may experience a crash due to Kernel Panic due to high number of interrupts.

Conditions:
Any of the following:
 * Fast link flaps due to bad fiber cable
 * Interfaces (including the management port) with a transceiver inserted but no cable or faulty cable
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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