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Cisco Bug: CSCuq32260 - ISSU from 6.2(6) to 6.2(8a) causes ipfib process to crash on module

Last Modified

Feb 16, 2017

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch

Known Affected Releases

6.2(6)

Description (partial)

Symptom:
Multiple ipfib process crashes were seen after doing an ISSU:

2014 Aug  3 03:25:32 texus2 %MODULE-5-LCM_MODULE_UPGRADE_END: Upgrade of module 5 ended
2014 Aug  3 03:25:32 texus2 %PLATFORM-5-MOD_STATUS: Module 5 current-status is MOD_STATUS_ONLINE/OK
2014 Aug  3 03:25:32 texus2 %MODULE-5-MOD_OK: Module 5 is online (Serial number: JAF1719AJME)
2014 Aug  3 03:25:31 texus2 %SYSMGR-SLOT5-5-MODULE_ONLINE: System Manager has received notification of local module becoming online.
2014 Aug  3 03:25:58 texus2 %MODULE-5-LCM_MODULE_UPGRADE_START: Upgrade of module 6 started
2014 Aug  3 03:25:57 texus2 %SYSMGR-SLOT6-5-LC_UPGRADE_START: Starting linecard upgrade
2014 Aug  3 03:25:59 texus2 %SYSMGR-SLOT5-2-SERVICE_CRASHED: Service "ipfib" (PID 2160) hasn't caught signal 11 (core will be saved).
2014 Aug  3 03:26:00 texus2 %CALLHOME-2-EVENT: SW_CRASH ipfib in slot 5 crashed with crash type : stateful crash
2014 Aug  3 03:26:32 texus2 %SYSMGR-SLOT6-5-LC_UPGRADE_REBOOT: Non-disruptively rebooting linecard as a part of upgrade
2014 Aug  3 03:26:33 texus2 %SYSMGR-SLOT5-2-SERVICE_CRASHED: Service "ipfib" (PID 2204) hasn't caught signal 11 (core will be saved).
2014 Aug  3 03:26:35 texus2 %CALLHOME-2-EVENT: SW_CRASH ipfib in slot 5 crashed with crash type : stateful crash
2014 Aug  3 03:27:02 texus2 %SYSMGR-SLOT5-2-SERVICE_CRASHED: Service "ipfib" (PID 2538) hasn't caught signal 11 (core will be saved).
2014 Aug  3 03:27:02 texus2 %CALLHOME-2-EVENT: SW_CRASH ipfib in slot 5 crashed with crash type : stateful crash
2014 Aug  3 03:27:23 texus2 %SYSMGR-SLOT6-4-READCONF_STARTED: Configuration update started (PID 2144).
2014 Aug  3 03:27:24 texus2 %SYSMGR-SLOT6-5-RUNTIME_DB_RESTORE_STARTED: Runtime database controller started (PID 2145).
2014 Aug  3 03:27:29 texus2 %SYSMGR-SLOT6-5-RUNTIME_DB_RESTORE_SUCCESS: Runtime database successfully restored.
2014 Aug  3 03:27:35 texus2 %SYSMGR-SLOT5-2-SERVICE_CRASHED: Service "ipfib" (PID 2725) hasn't caught signal 11 (core will be saved).

Conditions:
The exact conditions are still being investigated. However, the issue is more specifically happening in the MFIB which means multicast needs to be enabled during the ISSU.
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Bug Details Include

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