Ethereum: How to Fix Kernel Paging Request Error on Raspberry Pi Miner

Introduction

As a host/controller running a Raspberry Pi with Arch Linux ARM, you’re likely mining Bitcoin and Litecoin using Gridseeds. While your setup is successful, there’s one issue that can cause significant disruptions to your mining operations – the kernel paging request error. In this article, we’ll explore how to resolve this issue on your Raspberry Pi miner.

Understanding Kernel Paging Request Error

The kernel paging request error occurs when the operating system (OS) fails to allocate a contiguous block of memory for a process or module. This can happen due to various reasons, such as:

• Insufficient RAM

• Overloading the system with too many processes or modules

• Incompatible software packages

Troubleshooting Steps

To fix the kernel paging request error on your Raspberry Pi miner, follow these steps:

1. Check for Free Memory Space

Ensure that you have sufficient free memory space available on the system. You can check the amount of RAM installed in the Raspberry Pi by running the command:

free -m

If the total RAM is less than your expected amount, consider upgrading or adding more RAM to your setup.

2. Verify CPU Performance

A weak or underpowered CPU can cause memory issues. Check if your CPU is suitable for mining by monitoring its performance using tools like:

top -h 12

If the CPU’s clock speed is lower than 2000 MHz, consider upgrading to a more powerful CPU.

3. Inspect Process Management

Review process management settings on your system to ensure that processes are not consuming excessive memory or CPU resources. You can do this by running:

cat /proc/sys/vm/stacksize

Adjust the value of vm.maxrss if necessary to allow more memory for the kernel and other processes.

4. Check for Overloading

Verify that your mining setup is not overloaded with too many processes or modules. Monitor system resources using tools like:

htop

or

top -u all

If you notice any excessive resource usage, consider reducing the number of processes or adjusting their priority.

5. Upgrade to a More Efficient Mining Software

Consider upgrading to a more efficient mining software that can optimize memory usage and reduce system resource consumption. Some popular alternatives include:

• CGMiner (latest version)

• Electrum

• MinerGate

6. Update Your System Packages

Ensure that your system’s package list is up-to-date, including any necessary kernel updates. Run:

sudo apt update

and then upgrade the packages:

sudo apt full-upgrade

Conclusion

By following these steps and adjusting your system settings as needed, you should be able to resolve the kernel paging request error on your Raspberry Pi miner and continue mining successfully.

Additional Tips

• Regularly monitor system resources to identify potential issues before they become critical.

• Consider using a more powerful CPU or upgrading to a new system if memory constraints persist.

• Keep your mining software and firmware up-to-date to ensure compatibility and optimal performance.

Stay safe, and happy mining!