The message "Uhhuh. NMI received for unknown reason 30" is an error message that may be displayed by the Linux kernel in response to a non-maskable interrupt (NMI). An NMI is a type of hardware interrupt that is used to signal the CPU to perform a specific task, such as debugging or reporting a hardware error.
The message "Uhhuh. NMI received for unknown reason 30" indicates that the kernel has received an NMI for an unknown or unsupported reason. This could be caused by a hardware problem or a software bug.
To troubleshoot this issue, you can try the following steps:
Check the hardware: Make sure that all hardware components are functioning properly. If you suspect a hardware problem, you may need to replace the faulty component.
Check the kernel logs: Look for additional error messages or warning messages in the kernel logs that may provide more information about the cause of the NMI.
Check for software updates: Make sure that you are using the latest version of the kernel and any related software packages. Updating to the latest versions may help to fix any known software bugs that could be causing the NMI.
Check for hardware compatibility: Make sure that all hardware components are compatible with the kernel and the operating system. If you are using hardware that is not fully supported, it may cause issues such as NMI errors.
If you are unable to fix the issue, you may need to seek additional help from your hardware vendor or the Linux kernel community.