The Page Allocation Failure error in Linux occurs when the kernel is unable to allocate memory pages for a process. This can be caused by a number of factors, including low memory, kernel bugs, or hardware issues.
To troubleshoot this error, you can try the following:
Check the system memory usage: If the system is low on memory, the kernel may be unable to allocate memory pages for processes. You can use the free command to check the system memory usage. If the system is low on memory, you can try to free up memory by closing unnecessary programs or by increasing the amount of available memory.
Check for kernel bugs: If the Page Allocation Failure error is caused by a kernel bug, you can try updating to the latest version of the kernel to see if the bug has been fixed. You can use the uname command to check the version of the kernel that is currently running on your system.
Check for hardware issues: If the Page Allocation Failure error is caused by a hardware issue, you can try running a hardware diagnostic tool to check for problems with your hardware. You can also try replacing hardware components, such as RAM or the CPU, to see if they are causing the issue.
Check the system logs: The system logs may contain additional information about the Page Allocation Failure error. You can use the dmesg command to view the system logs and look for any error messages related to memory allocation.
If you are still unable to resolve the Page Allocation Failure error, you may need to seek further assistance from a qualified system administrator or from the Linux support community.