The crash tool

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The crash tool is a GPL-licensed tool maintained by Red Hat®.

As of crash 7.2.6, you can analyze dumps of kernels with enabled KASLR support. Use crash with the --kaslr auto option. KASLR requires that the dump contains vmcoreinfo, which is always included with kdump. For all other dump types, such as VMDUMP, stand-alone dumps, and qemu dumps, convert the dump to an ELF dump before using crash. To convert the dump, use the command zgetdump -f elf.