Core Dumps

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Revision as of 03:26, 2 July 2025 by Pristal (talk | contribs) (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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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
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