What Is Segmentation Error in Linux?

A segmentation fault, or segfault, is a memory error in which a program tries to access a memory address that does not exist or the program does not have the rights to access. … When a program hits a segmentation fault, it often crashes with the error phrase “Segmentation Fault.”

How do I fix segmentation fault in Linux?

Suggestions to debug Segmentation Fault errors

1. Use gdb to track exact source of problem.
2. Make sure correct hardware installed and configured.
3. Always apply all patches and use updated system.
4. Make sure all dependencies installed inside jail.
5. Turn on core dumping for supported services such as Apache.

What is a segmentation fault Linux?

On a Unix operating system such as Linux, a “segmentation violation” (also known as “signal 11”, “SIGSEGV”, “segmentation fault” or, abbreviated, “sig11” or “segfault”) is a signal sent by the kernel to a process when the system has detected that the process was attempting to access a memory address that does not …