showunhealthy reports Error on I2C (Doc ID 1572353.1)

Last updated on NOVEMBER 17, 2015

Applies to:

Exadata Database Machine V2 - Version All Versions to All Versions [Release All Releases]
Sun Datacenter InfiniBand Switch 36 - Version Not Applicable to Not Applicable [Release N/A]
Exalogic Elastic Cloud X3-2 Hardware - Version All Versions to All Versions [Release All Releases]
Exalogic Elastic Cloud X3-2 Half Rack - Version All Versions to All Versions [Release All Releases]
Exalogic Elastic Cloud X3-2 Full Rack - Version All Versions to All Versions [Release All Releases]
Linux x86-64

Symptoms

Login to the switch ILOM

-> cd /SYS/Fabric_Mgmt
-> ls
FabMan@localhost->showunhealthy 
Error on I2C read i2caddr = b4, reg 5e, status = -1, errno = No such device or address 
OK - No unhealthy sensors 
FabMan@localhost-> 
 
SUN DCS 36p version: 1.3.3-2 
Build time: Apr  4 2011 11:15:19 
SP board info: 
Manufacturing Date: 2012.12.27 
Serial Number: "#######" 
Hardware Revision: 0x0007 
Firmware Revision: 0x0000 
BIOS version: SUN0R100 
BIOS date: 06/22/2010 
 
 
 FabMan@localhost->env_test 
Environment test started: 
Starting Environment Daemon test: 
Environment daemon running 
Environment Daemon test returned OK 
Starting Voltage test: 
Voltage ECB OK 
Measured 3.3V Main = 3.27 V 
Measured 3.3V Standby = 3.39 V 
Measured 12V = 12.09 V 
Measured 5V = 4.99 V 
Measured VBAT = 3.03 V 
Measured 2.5V = 2.50 V 
Measured 1.8V = 1.78 V 
Measured I4 1.2V = 1.22 V 
Voltage test returned OK 
Starting PSU test: 
Error on I2C read i2caddr = b4, reg 5e, status = -1, errno = No such device or address <<<<<<<<<
PSU 0 present 
PSU 1 present OK 
PSU test returned OK 
Starting Temperature test: 
Back temperature 29 
Front temperature 28 
SP temperature 54 
Switch temperature 52, maxtemperature 54 
Temperature test returned OK 
Starting FAN test: 
Fan 0 not present 
Fan 1 running at rpm 12753 
Fan 2 running at rpm 12644 
Fan 3 running at rpm 12644 
Fan 4 not present 
FAN test returned OK 
Starting Connector test: 
Connector test returned OK 
Starting Onboard ibdevice test: 
Switch OK 
All Internal ibdevices OK 
Onboard ibdevice test returned OK 
Environment test PASSED 
 

Cause

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