Intermittent problems
Use this information to solve intermittent problems.
Intermittent external device problems
Make sure that the correct device drivers are installed. See the manufacturer's website for documentation.
For a USB device:
Make sure that the device is configured correctly.
Restart the server and press F1 to display the system setup interface. Then, click
.Connect the device to another port. If using a USB hub, remove the hub and connect the device directly to the compute node. Make sure that the device is configured correctly for the port.
Intermittent KVM problems
Complete the following steps until the problem is solved.
Video problems:
- Make sure that all cables and the console breakout cable are properly connected and secure.
- Make sure that the monitor is working properly by testing it on another compute node.
- Test the console breakout cable on a working compute node to ensure that it is operating properly. Replace the console breakout cable if it is defective.
Keyboard problems:
Make sure that all cables and the console breakout cable are properly connected and secure.
Mouse problems:
Make sure that all cables and the console breakout cable are properly connected and secure.
Intermittent unexpected reboots
If the reset occurs after the operating system starts, disable any automatic server restart (ASR) utilities, such as the Automatic Server Restart IPMI Application for Windows, or any ASR devices that are installed.
See the management controller event log to check for an event code that indicates a reboot. See Event logs for information about viewing the event log.