[c-nsp] SWO - Active to Standby then reboot back to active RSP

[Ahmed Hilmy]

Dear Friends,

We have faced an Switchover in our 7606 router for unknown reason.
SWO to standby than reboot back to active one.
Based on crash file:

Aug  1 21:45:13 UTC: %PFREDUN-SP-STDBY-6-ACTIVE: Initializing as ACTIVE
processor

Aug  1 21:45:13 UTC: %FABRIC-SP-STDBY-5-FABRIC_MODULE_ACTIVE: The Switch
Fabric Module in slot 5 became active.
Aug  1 21:45:14 UTC: %SYS-SP-STDBY-3-LOGGER_FLUSHED: System was paused for
00:00:00 to ensure console debugging output.

Aug  1 21:45:14 UTC: %OIR-SP-3-PWRCYCLE: Card in module 6, is being
power-cycled (Switchover)


Aug  1 21:46:48 UTC: %PFREDUN-SP-6-ACTIVE: Standby initializing for SSO mode
Aug  1 21:46:49 UTC: %SYS-SP-3-LOGGER_FLUSHED: System was paused for
00:00:00 to ensure console debugging output.

Aug  1 21:46:52 UTC: %PFINIT-SP-5-CONFIG_SYNC: Sync'ing the startup
configuration to the standby Router.
Aug  1 21:47:15 UTC: %FABRIC-SP-5-CLEAR_BLOCK: Clear block option is off
for the fabric in slot 6.
Aug  1 21:47:15 UTC: %FABRIC-SP-5-FABRIC_MODULE_BACKUP: The Switch Fabric
Module in slot 6 became standby
Aug  1 21:47:16 UTC: %DIAG-SP-6-RUN_MINIMUM: Module 6: Running Minimal
Diagnostics...
Aug  1 21:47:20 UTC: %DIAG-SP-6-DIAG_OK: Module 6: Passed Online Diagnostics
Aug  1 21:47:20 UTC: %OIR-SP-6-INSCARD: Card inserted in slot 6, interfaces
are now online
Aug  1 18:47:27.333: SP: SP detected RP/Draco rebooting, resetting SP

DHKC-R76-01#sh module
Mod Ports Card Type                              Model              Serial
No.
--- ----- -------------------------------------- ------------------
-----------
  1   24  CEF720 24 port 1000mb SFP              WS-X6724-SFP
JAF1205BFJM
  2    0  4-subslot SPA Interface Processor-200  7600-SIP-200
JAE12088TA8
  5    2  Route Switch Processor 720 (Active)    RSP720-3C-GE
JAE12088VUP
  6    2  Route Switch Processor 720 (Hot)       RSP720-3C-GE
SAL1551Z508

Your help is appreciated.

Regards,
Ahmed