From 08ebd830a559692f9b34a1619cca44b1888468a0 Mon Sep 17 00:00:00 2001
From: Ihor Antonov <ngortheone@gmail.com>
Date: Wed, 9 May 2018 10:15:16 -0400
Subject: Fix kernel crash caused by absent root device

---
 nixos/modules/system/boot/grow-partition.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'nixos/modules/system/boot/grow-partition.nix')

diff --git a/nixos/modules/system/boot/grow-partition.nix b/nixos/modules/system/boot/grow-partition.nix
index 1e6f9e442b67..8c9b1502558a 100644
--- a/nixos/modules/system/boot/grow-partition.nix
+++ b/nixos/modules/system/boot/grow-partition.nix
@@ -30,7 +30,7 @@ with lib;
 
     boot.initrd.postDeviceCommands = ''
       rootDevice="${config.fileSystems."/".device}"
-      if [ -e "$rootDevice" ]; then
+      if waitDevice "$rootDevice"; then
         rootDevice="$(readlink -f "$rootDevice")"
         parentDevice="$rootDevice"
         while [ "''${parentDevice%[0-9]}" != "''${parentDevice}" ]; do
-- 
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