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LPUF failure in a CX600-8 device

Publication Date:  2012-07-27 Views:  58 Downloads:  0
Issue Description
The software version running in the device is v200r002c02b356.cc.
1- We see an alarm active in the device:
<CX600>display alarm all 
----------------------------------------------------------------------------
Index    Level        Date        Time                  Info      
1        Alert        09-04-13    00:58:30    Slot2 is failed, I2C3,Sensor_Ad
                                              dress74 is Failed 
2        Alert        09-04-13    00:58:30    Slot2 is failed, I2C3,Sensor_Ad
                                              dress73 is Failed 
3        Alert        09-04-13    00:58:09    Slot2 is failed, I2C3,Sensor_Ad
                                              dress43 is Failed 
----------------------------------------------------------------------------  
2- We have to check the reset history:
[CX600-hidecmd]display lpureset 2
LPU2 reset information:
-- 1. DATE:2009-04-13  TIME:01:01:48  RESET Num:10 
--    Reason:LPU report TM&SM initialize error, and reset lpu, Errcode:0xf015 
      reset code:60001,Module:TM. 
-- 2. DATE:2009-04-13  TIME:00:59:02  RESET Num:9 
--    Reason:LPU report TM&SM initialize error, and reset lpu, Errcode:0xf015 
      reset code:60001,Module:TM. 
-- 3. DATE:2009-04-13  TIME:00:58:08  RESET Num:8 
--    Reason:Task exception occurs,task name is HQOS,task ID is 0 
      reset code:90002,Module:system. 
-- 4. DATE:2009-04-12  TIME:22:42:05  RESET Num:7 
--    Reason:LPU has no heartbeat, and reset lpu 
      reset code:10002,Module:board. 
-- 5. DATE:2009-04-12  TIME:13:03:24  RESET Num:6 
--    Reason:LPU report TM&SM initialize error, and reset lpu, Errcode:0xf015 
      reset code:60001,Module:TM. 
3- We review the reset code: 60001
It is not affecting the service because in the LPU 2 there are only network links and this link are redundant.
Alarm Information
----------------------------------------------------------------------------
Index    Level        Date        Time                  Info      
1        Alert        09-04-13    00:58:30    Slot2 is failed, I2C3,Sensor_Ad
                                              dress74 is Failed 
2        Alert        09-04-13    00:58:30    Slot2 is failed, I2C3,Sensor_Ad
                                              dress73 is Failed 
3        Alert        09-04-13    00:58:09    Slot2 is failed, I2C3,Sensor_Ad
                                              dress43 is Failed 
----------------------------------------------------------------------------  
Handling Process
 When this failure occurs, we shall change the hardware.
We have to follow the documentation related how to change a LPU in a CX600.
Root Cause
When this problems appears we have to:
 1.Check if the alarm is active.
 2.Review the log messages.
 3.Check the reset reason.
Suggestions
 Null

END