boot.crashDump.enable
NixOS option
If enabled, NixOS will set up a kernel that will boot on crash, and leave the user in systemd rescue to be able to save the crashed kernel dump at /proc/vmcore. It also activates the NMI watchdog.
type: booleanDefault
declared in: nixos/modules/misc/crashdump.nixView source on NixOS/nixpkgs →false