Failure reading device on system management bus 22.
Explanation
The advanced management module cannot communicate with a device over the I2C bus.
Typically, this is because a component on the specified device I2C bus cannot respond to the advanced management module.
Severity
Error
Alert Category
Chassis/System Management (Critical)
-
mmTrapChassisC
Log Source
SERVPROC
Automatically notify service
No
Recoverable
Yes
Chassis LED
Error
Alarm Panel LED (BC T and BC HT)
Critical
User response
Perform these steps:
- If you have only one advanced management module installed and your chassis supports two management modules, try the management module in the other advanced management module bay.
- Reseat the specified device (such as I/O module or power module).
- Reseat the advanced management module.
- Check the IBM Support Web page for any service bulletins that might be related to this problem.
- Check the event log for additional errors related to the system management bus:
- If there are no other system management bus errors, replace the specified device.
- If there are system management bus errors for multiple components, replace the advanced management module.