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Cisco Bug: CSCub20658 - N5K: Task netstack hogs cpu leading system processes to crash

Last Modified

Feb 20, 2018

Products (6)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5010 Switch

Known Affected Releases

5.0(3)N2(2a)

Description (partial)

Symptom:
N5K Crashs

SYSMGR-3-HEARTBEAT_FAILURE: Service "lldp" sent SIGABRT for not setting heartbeat for last 4 periods.
SYSMGR-2-SERVICE_CRASHED: Service "lldp" (PID xxxx) hasn't caught signal 6 (core will be saved).

Last reset at XXXXXX usecs after  XXXXXXXXXXXXXXXXX
   Reason: Reset triggered due to HA policy of Reset
   System version: 5.0(3)N2(2a)
   Service: lldp hap reset

This issue is very rare.

Conditions:
Taking TAC-PAC or show-tech
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Bug Details Include

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