From b4b99824d6b6baf69351e132c7217ce4457d68cf Mon Sep 17 00:00:00 2001
From: Bo Chen <bchen@crusoe.ai>
Date: Thu, 14 May 2026 16:55:30 +0000
Subject: [PATCH] vmm: Deprecate image type auto detection

Signed-off-by: Bo Chen <bchen@crusoe.ai>
---
 vmm/src/device_manager.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vmm/src/device_manager.rs b/vmm/src/device_manager.rs
index be6f7069c..e6902a4cb 100644
--- a/vmm/src/device_manager.rs
+++ b/vmm/src/device_manager.rs
@@ -2729,6 +2729,11 @@ impl DeviceManager {
             let mut disable_sector0_writes = false;
 
             if disk_cfg.image_type == ImageType::Unknown {
+                warn!(
+                    "DEPRECATION: auto-detection of disk image type is deprecated and will be \
+                    removed in a future release. Please specify image type explicitly."
+                );
+
                 warn!(
                     "No image_type specified - detected as {detected_image_type}. \
                     Configuration updated to persist type across reboots and migrations."