diff options
Diffstat (limited to 'nixos/modules')
| -rw-r--r-- | nixos/modules/system/boot/kexec.nix | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/nixos/modules/system/boot/kexec.nix b/nixos/modules/system/boot/kexec.nix index 61f9c6d0e7eb..fd2cb94b756b 100644 --- a/nixos/modules/system/boot/kexec.nix +++ b/nixos/modules/system/boot/kexec.nix @@ -13,8 +13,18 @@ path = [ pkgs.kexectools ]; script = '' + # Don't load the current system profile if we already have a kernel loaded + if [[ 1 = "$(</sys/kernel/kexec_loaded)" ]] ; then + echo "kexec kernel has already been loaded, prepare-kexec skipped" + exit 0 + fi + p=$(readlink -f /nix/var/nix/profiles/system) - if ! [ -d $p ]; then exit 1; fi + if ! [[ -d $p ]]; then + echo "Could not find system profile for prepare-kexec" + exit 1 + fi + echo "Loading NixOS system via kexec." exec kexec --load $p/kernel --initrd=$p/initrd --append="$(cat $p/kernel-params) init=$p/init" ''; }; |