From 6cc22501c94d0b9cb9dde872e6032fd1b4022e8a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonatan=20K=C5=82osko?= <jonatanklosko@gmail.com>
Date: Mon, 15 Apr 2024 18:20:17 +0800
Subject: [PATCH] Include reason in the error message when the runtime node
 goes down during init

---
 lib/livebook/runtime/standalone_init.ex | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/livebook/runtime/standalone_init.ex b/lib/livebook/runtime/standalone_init.ex
index 7a93f0b40..294f527a9 100644
--- a/lib/livebook/runtime/standalone_init.ex
+++ b/lib/livebook/runtime/standalone_init.ex
@@ -100,8 +100,9 @@ defmodule Livebook.Runtime.StandaloneInit do
         {^port, {:data, _output}} ->
           loop.(loop)
 
-        {:DOWN, ^port_ref, :port, _object, _reason} ->
-          {:error, "Elixir terminated unexpectedly, please check your logs for errors"}
+        {:DOWN, ^port_ref, :port, _object, reason} ->
+          {:error,
+           "Elixir terminated unexpectedly, please check your logs for errors. Reason: #{inspect(reason)}"}
       after
         # Use a longer timeout to account for longer child node startup.
         30_000 ->