Monday, August 16, 2010

IOS: %SYS-SP-3-CPUHOG: RFSS_server_action

Scenario:
A Cat6K throws the following syslog messages:
Jul 18 01:48:12.362 EDT: %SYS-SP-3-CPUHOG: Task is running for (4000)msecs, more than (2000)msecs (0/0),process = RFSS_server_action.

 
-Traceback= 4045D2CC 4045F5F8 4045F504 4047F45C 4047ED38 4047F31C 40481F5C 40489F04 4048A3CC 4048AF5C 40485DE4 4048B1AC 404816A8 402E41D8 40451534 4029A764

 
Jul 18 01:48:14.366 EDT: %SYS-SP-3-CPUHOG: Task is running for (2000)msecs, more than (2000)msecs (1/0),process = RFSS_server_action.

 
-Traceback= 4045D2A8 4045F5F8 4045F504 4047F45C 4047ED38 4047F31C 40481F5C 40489F04 4048A3CC 4048AF5C 40485DE4 4048B1AC 404816A8 402E41D8 40451534 4029A764

 
Jul 18 01:48:18.370 EDT: %SYS-SP-3-CPUHOG: Task is running for (2000)msecs, more than (2000)msecs (2/1),process = RFSS_server_action.

 
-Traceback= 4045D2A8 4045F5F8 4045F504 4047F45C 4047ED38 4047F31C 40481F5C 40489F04 4048A3CC 4048AF5C 40485DE4 4048B1AC 4048B504 404817C0 402E440C 40451660

Description:
The traceback shown indicates a problem with writing into the flash disk. Running the privileged-mode command "dir disk1:" will cause your login session to apparently hang for a few minutes. After that the logs will be filled up with a new batch of the above %SYS-SP-3-CPUHOG syslogs and traceback messages.
 
------------------ show disk1: all ------------------
172683264 bytes available (83296256 bytes used)
******** ATA Flash Card Geometry/Format Info ********
ATA CARD GEOMETRY
 Number of Heads: 16
 Number of Cylinders 978
 Sectors per Cylinder 32
 Sector Size 512
 Total Sectors 500736
 
ATA CARD FORMAT
 Number of FAT Sectors 245
 Sectors Per Cluster 8
 Number of Clusters 62495
 Number of Data Sectors 500596
 Base Root Sector 598
 Base FAT Sector 108
 Base Data Sector 630 %
 
Error show disk1: (TF I/O failed in data-in phase)
 
Workaround/Resolution:
  1. Reseat the compact flash card.
  2. If error still occurs, reformat the flash card.
  3. If error still occurs, replace the flash card.