Core Dumps: Difference between revisions
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Created page with "= What is a Core Dump ? = * A core dump is a snapshot of the programs memory mappings and state when it crashed. * A core dump can be used to analyze the reason for the crash. * A core can come from User space programs or even kernel. ::- Core get generated when the user space program receives certain signal like (For detail check **man -7 signal** * Kernel is having special mechanism for booting a secondary kernel and collect the core for primary kernal. ::- In linux th..." |
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* A core dump can be used to analyze the reason for the crash. | * A core dump can be used to analyze the reason for the crash. | ||
* A core can come from User space programs or even kernel. | * A core can come from User space programs or even kernel. | ||
::- Core get generated when the user space program receives certain signal like (For detail check | ::- Core get generated when the user space program receives certain signal like (For detail check '''''man -7 signal''''') | ||
* Kernel is having special mechanism for booting a secondary kernel and collect the core for primary kernal. | * Kernel is having special mechanism for booting a secondary kernel and collect the core for primary kernal. | ||
::- In linux this is done using Kdump/Kexec | ::- In linux this is done using Kdump/Kexec | ||
* | * | ||
Revision as of 03:27, 2 July 2025
What is a Core Dump ?
- A core dump is a snapshot of the programs memory mappings and state when it crashed.
- A core dump can be used to analyze the reason for the crash.
- A core can come from User space programs or even kernel.
- - Core get generated when the user space program receives certain signal like (For detail check man -7 signal)
- Kernel is having special mechanism for booting a secondary kernel and collect the core for primary kernal.
- - In linux this is done using Kdump/Kexec
